Schedule III Real Estate and Accumulated Depreciation - By Property (Details) ft² in Thousands, $ in Thousands |
12 Months Ended |
|
|
|
Dec. 31, 2019
USD ($)
ft²
unit
|
Dec. 31, 2018
USD ($)
|
Dec. 31, 2017
USD ($)
|
Dec. 31, 2016
USD ($)
|
Initial Cost |
|
|
|
|
|
|
Land |
[1] |
$ 607,252
|
|
|
|
|
Buildings and Improvements |
[1] |
1,709,463
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
842,746
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
|
580,297
|
|
|
|
|
Buildings and Improvements |
|
2,579,166
|
|
|
|
|
Total |
|
3,159,463
|
[2] |
$ 2,973,816
|
$ 2,831,683
|
$ 2,725,635
|
Accumulated Depreciation |
|
$ 712,630
|
|
770,535
|
$ 690,417
|
$ 657,425
|
Net Rentable Square Feet (sq ft) | ft² |
[3] |
9,726
|
|
|
|
|
Units | unit |
|
6,658
|
|
|
|
|
Carrying value for federal income tax purposes |
|
$ 1,917,800
|
|
|
|
|
Investment in development of property |
|
$ 124,193
|
|
87,231
|
|
|
Building and improvements | Minimum |
|
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Useful life (in years) |
|
3 years
|
|
|
|
|
Building and improvements | Maximum |
|
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Useful life (in years) |
|
50 years
|
|
|
|
|
The Trove |
|
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Investment in development of property |
|
$ 110,400
|
|
|
|
|
Riverside Apartments land parcel |
|
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Investment in development of property |
|
25,600
|
|
|
|
|
Various development projects |
|
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Investment in development of property |
|
1,900
|
|
|
|
|
Multifamily Properties |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1] |
269,521
|
|
|
|
|
Buildings and Improvements |
[1] |
897,579
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
424,981
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
|
243,207
|
|
|
|
|
Buildings and Improvements |
|
1,348,875
|
|
|
|
|
Total |
|
1,592,082
|
|
|
|
|
Accumulated Depreciation |
|
$ 260,694
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
5,804
|
|
|
|
|
Units | unit |
|
6,658
|
|
|
|
|
Investment in development of property |
|
$ 123,071
|
|
83,945
|
|
|
Multifamily Properties | 3801 Connecticut Avenue | Washington DC |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1] |
420
|
|
|
|
|
Buildings and Improvements |
[1] |
2,678
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
19,357
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
|
420
|
|
|
|
|
Buildings and Improvements |
|
22,035
|
|
|
|
|
Total |
|
22,455
|
|
|
|
|
Accumulated Depreciation |
|
$ 13,543
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
178
|
|
|
|
|
Units | unit |
|
307
|
|
|
|
|
Depreciation Life |
[4] |
30 years
|
|
|
|
|
Multifamily Properties | Roosevelt Towers | Virginia |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1] |
$ 336
|
|
|
|
|
Buildings and Improvements |
[1] |
1,996
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
13,659
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
|
336
|
|
|
|
|
Buildings and Improvements |
|
15,655
|
|
|
|
|
Total |
|
15,991
|
|
|
|
|
Accumulated Depreciation |
|
$ 11,418
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
170
|
|
|
|
|
Units | unit |
|
191
|
|
|
|
|
Depreciation Life |
[4] |
40 years
|
|
|
|
|
Multifamily Properties | Park Adams | Virginia |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1] |
$ 287
|
|
|
|
|
Buildings and Improvements |
[1] |
1,654
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
13,636
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
|
287
|
|
|
|
|
Buildings and Improvements |
|
15,290
|
|
|
|
|
Total |
|
15,577
|
|
|
|
|
Accumulated Depreciation |
|
$ 11,178
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
173
|
|
|
|
|
Units | unit |
|
200
|
|
|
|
|
Depreciation Life |
[4] |
35 years
|
|
|
|
|
Multifamily Properties | The Ashby at McLean | Virginia |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1] |
$ 4,356
|
|
|
|
|
Buildings and Improvements |
[1] |
17,102
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
27,319
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
|
4,356
|
|
|
|
|
Buildings and Improvements |
|
44,421
|
|
|
|
|
Total |
|
48,777
|
|
|
|
|
Accumulated Depreciation |
|
$ 29,047
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
274
|
|
|
|
|
Units | unit |
|
256
|
|
|
|
|
Depreciation Life |
[4] |
30 years
|
|
|
|
|
Multifamily Properties | Bethesda Hill Apartments | Maryland |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1] |
$ 3,900
|
|
|
|
|
Buildings and Improvements |
[1] |
13,412
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
16,545
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
|
3,900
|
|
|
|
|
Buildings and Improvements |
|
29,957
|
|
|
|
|
Total |
|
33,857
|
|
|
|
|
Accumulated Depreciation |
|
$ 21,017
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
225
|
|
|
|
|
Units | unit |
|
195
|
|
|
|
|
Depreciation Life |
[4] |
30 years
|
|
|
|
|
Multifamily Properties | Bennett Park | Virginia |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1] |
$ 2,861
|
|
|
|
|
Buildings and Improvements |
[1] |
917
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
81,896
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
|
4,774
|
|
|
|
|
Buildings and Improvements |
|
80,900
|
|
|
|
|
Total |
|
85,674
|
|
|
|
|
Accumulated Depreciation |
|
$ 40,308
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
215
|
|
|
|
|
Units | unit |
|
224
|
|
|
|
|
Depreciation Life |
[4] |
28 years
|
|
|
|
|
Multifamily Properties | The Clayborne | Virginia |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1] |
$ 269
|
|
|
|
|
Buildings and Improvements |
[1] |
0
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
31,374
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
|
699
|
|
|
|
|
Buildings and Improvements |
|
30,944
|
|
|
|
|
Total |
|
31,643
|
|
|
|
|
Accumulated Depreciation |
|
$ 16,971
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
60
|
|
|
|
|
Units | unit |
|
74
|
|
|
|
|
Depreciation Life |
[4] |
26 years
|
|
|
|
|
Multifamily Properties | The Kenmore | Washington DC |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1] |
$ 28,222
|
|
|
|
|
Buildings and Improvements |
[1] |
33,955
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
18,109
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
|
28,222
|
|
|
|
|
Buildings and Improvements |
|
52,064
|
|
|
|
|
Total |
|
80,286
|
|
|
|
|
Accumulated Depreciation |
|
$ 17,415
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
268
|
|
|
|
|
Units | unit |
|
374
|
|
|
|
|
Depreciation Life |
[4] |
30 years
|
|
|
|
|
Multifamily Properties | The Maxwell | Virginia |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1] |
$ 12,787
|
|
|
|
|
Buildings and Improvements |
[1] |
0
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
38,145
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
|
12,848
|
|
|
|
|
Buildings and Improvements |
|
38,084
|
|
|
|
|
Total |
|
50,932
|
|
|
|
|
Accumulated Depreciation |
|
$ 11,018
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
116
|
|
|
|
|
Units | unit |
|
163
|
|
|
|
|
Depreciation Life |
[4] |
30 years
|
|
|
|
|
Multifamily Properties | The Paramount | Virginia |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1] |
$ 8,568
|
|
|
|
|
Buildings and Improvements |
[1] |
38,716
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
3,101
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
|
8,568
|
|
|
|
|
Buildings and Improvements |
|
41,817
|
|
|
|
|
Total |
|
50,385
|
|
|
|
|
Accumulated Depreciation |
|
$ 11,261
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
141
|
|
|
|
|
Units | unit |
|
135
|
|
|
|
|
Depreciation Life |
[4] |
30 years
|
|
|
|
|
Multifamily Properties | Yale West | Washington DC |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1],[5] |
$ 14,684
|
|
|
|
|
Buildings and Improvements |
[1],[5] |
62,069
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
[5] |
1,688
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
[5] |
14,684
|
|
|
|
|
Buildings and Improvements |
[5] |
63,757
|
|
|
|
|
Total |
[5] |
78,441
|
|
|
|
|
Accumulated Depreciation |
[5] |
$ 13,442
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
173
|
|
|
|
|
Units | unit |
|
216
|
|
|
|
|
Depreciation Life |
[4] |
30 years
|
|
|
|
|
Amount of encumbrances |
|
$ 45,700
|
|
|
|
|
Multifamily Properties | The Wellington | Virginia |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1] |
30,548
|
|
|
|
|
Buildings and Improvements |
[1] |
116,563
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
16,178
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
|
30,548
|
|
|
|
|
Buildings and Improvements |
|
132,741
|
|
|
|
|
Total |
|
163,289
|
|
|
|
|
Accumulated Depreciation |
|
$ 21,947
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
600
|
|
|
|
|
Units | unit |
|
711
|
|
|
|
|
Depreciation Life |
[4] |
30 years
|
|
|
|
|
Multifamily Properties | The Trove | Virginia |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1],[3] |
$ 15,000
|
|
|
|
|
Buildings and Improvements |
[1],[3] |
0
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
[3] |
93,941
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
[3] |
2,250
|
|
|
|
|
Buildings and Improvements |
[3] |
106,692
|
|
|
|
|
Total |
[6] |
108,942
|
|
|
|
|
Accumulated Depreciation |
|
146
|
|
|
|
|
Investment in development of property |
|
96,700
|
|
|
|
|
Multifamily Properties | Riverside Apartments | Virginia |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1] |
38,924
|
|
|
|
|
Buildings and Improvements |
[1] |
184,854
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
35,517
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
|
38,924
|
|
|
|
|
Buildings and Improvements |
|
220,371
|
|
|
|
|
Total |
|
259,295
|
|
|
|
|
Accumulated Depreciation |
|
$ 30,363
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
1,001
|
|
|
|
|
Units | unit |
|
1,222
|
|
|
|
|
Depreciation Life |
[4] |
30 years
|
|
|
|
|
Multifamily Properties | Riverside Apartments land parcel | Virginia |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1],[3] |
$ 15,968
|
|
|
|
|
Buildings and Improvements |
[1],[3] |
0
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
[3] |
9,674
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
[3] |
0
|
|
|
|
|
Buildings and Improvements |
[3] |
25,642
|
|
|
|
|
Total |
[3] |
25,642
|
|
|
|
|
Accumulated Depreciation |
[3] |
0
|
|
|
|
|
Investment in development of property |
|
25,600
|
|
|
|
|
Multifamily Properties | Assembly Alexandria | Virginia |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1],[3] |
23,942
|
|
|
|
|
Buildings and Improvements |
[1],[3] |
93,672
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
[3] |
1,931
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
[3] |
23,942
|
|
|
|
|
Buildings and Improvements |
[3] |
95,603
|
|
|
|
|
Total |
[3] |
119,545
|
|
|
|
|
Accumulated Depreciation |
[3] |
$ 2,595
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
437
|
|
|
|
|
Units | unit |
|
532
|
|
|
|
|
Depreciation Life |
[4] |
30 years
|
|
|
|
|
Multifamily Properties | Assembly Manassas | Virginia |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1],[3] |
$ 13,586
|
|
|
|
|
Buildings and Improvements |
[1],[3] |
68,802
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
[3] |
617
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
[3] |
13,586
|
|
|
|
|
Buildings and Improvements |
[3] |
69,419
|
|
|
|
|
Total |
[3] |
83,005
|
|
|
|
|
Accumulated Depreciation |
[3] |
$ 2,015
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
390
|
|
|
|
|
Units | unit |
|
408
|
|
|
|
|
Depreciation Life |
[4] |
30 years
|
|
|
|
|
Multifamily Properties | Assembly Dulles | Virginia |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1],[3] |
$ 12,476
|
|
|
|
|
Buildings and Improvements |
[1],[3] |
66,852
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
[3] |
535
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
[3] |
12,476
|
|
|
|
|
Buildings and Improvements |
[3] |
67,387
|
|
|
|
|
Total |
[3] |
79,863
|
|
|
|
|
Accumulated Depreciation |
[3] |
$ 1,913
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
361
|
|
|
|
|
Units | unit |
|
328
|
|
|
|
|
Depreciation Life |
[4] |
30 years
|
|
|
|
|
Multifamily Properties | Assembly Leesburg | Virginia |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1],[3] |
$ 4,113
|
|
|
|
|
Buildings and Improvements |
[1],[3] |
21,286
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
[3] |
102
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
[3] |
4,113
|
|
|
|
|
Buildings and Improvements |
[3] |
21,388
|
|
|
|
|
Total |
[3] |
25,501
|
|
|
|
|
Accumulated Depreciation |
[3] |
$ 691
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
124
|
|
|
|
|
Units | unit |
|
134
|
|
|
|
|
Depreciation Life |
[4] |
30 years
|
|
|
|
|
Multifamily Properties | Assembly Herndon | Virginia |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1],[3] |
$ 11,225
|
|
|
|
|
Buildings and Improvements |
[1],[3] |
51,534
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
[3] |
690
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
[3] |
11,225
|
|
|
|
|
Buildings and Improvements |
[3] |
52,224
|
|
|
|
|
Total |
[3] |
63,449
|
|
|
|
|
Accumulated Depreciation |
[3] |
$ 1,618
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
221
|
|
|
|
|
Units | unit |
|
283
|
|
|
|
|
Depreciation Life |
[4] |
30 years
|
|
|
|
|
Multifamily Properties | Assembly Germantown | Maryland |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1],[3] |
$ 7,609
|
|
|
|
|
Buildings and Improvements |
[1],[3] |
34,431
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
[3] |
179
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
[3] |
7,609
|
|
|
|
|
Buildings and Improvements |
[3] |
34,610
|
|
|
|
|
Total |
[3] |
42,219
|
|
|
|
|
Accumulated Depreciation |
[3] |
$ 891
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
211
|
|
|
|
|
Units | unit |
|
218
|
|
|
|
|
Depreciation Life |
[4] |
30 years
|
|
|
|
|
Multifamily Properties | Assembly Watkins Mill | Maryland |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1],[3] |
$ 7,151
|
|
|
|
|
Buildings and Improvements |
[1],[3] |
30,851
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
[3] |
210
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
[3] |
7,151
|
|
|
|
|
Buildings and Improvements |
[3] |
31,061
|
|
|
|
|
Total |
[3] |
38,212
|
|
|
|
|
Accumulated Depreciation |
[3] |
$ 756
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
193
|
|
|
|
|
Units | unit |
|
210
|
|
|
|
|
Depreciation Life |
[4] |
30 years
|
|
|
|
|
Multifamily Properties | Cascade at Landmark | Virginia |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1],[3] |
$ 12,289
|
|
|
|
|
Buildings and Improvements |
[1],[3] |
56,235
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
[3] |
578
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
[3] |
12,289
|
|
|
|
|
Buildings and Improvements |
[3] |
56,813
|
|
|
|
|
Total |
[3] |
69,102
|
|
|
|
|
Accumulated Depreciation |
[3] |
$ 1,141
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
273
|
|
|
|
|
Units | unit |
|
277
|
|
|
|
|
Depreciation Life |
[4] |
30 years
|
|
|
|
|
Office Buildings |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1] |
$ 304,555
|
|
|
|
|
Buildings and Improvements |
[1] |
730,709
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
370,984
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
|
304,555
|
|
|
|
|
Buildings and Improvements |
|
1,101,693
|
|
|
|
|
Total |
|
1,406,248
|
|
|
|
|
Accumulated Depreciation |
|
$ 397,699
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
3,227
|
|
|
|
|
Investment in development of property |
|
$ 478
|
|
$ 478
|
|
|
Office Buildings | 1901 Pennsylvania Avenue | Washington DC |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1] |
892
|
|
|
|
|
Buildings and Improvements |
[1] |
3,481
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
20,595
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
|
892
|
|
|
|
|
Buildings and Improvements |
|
24,076
|
|
|
|
|
Total |
|
24,968
|
|
|
|
|
Accumulated Depreciation |
|
$ 18,613
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
101
|
|
|
|
|
Depreciation Life |
[4] |
28 years
|
|
|
|
|
Office Buildings | 515 King Street | Virginia |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1] |
$ 4,102
|
|
|
|
|
Buildings and Improvements |
[1] |
3,931
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
9,264
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
|
4,102
|
|
|
|
|
Buildings and Improvements |
|
13,195
|
|
|
|
|
Total |
|
17,297
|
|
|
|
|
Accumulated Depreciation |
|
$ 7,112
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
75
|
|
|
|
|
Depreciation Life |
[4] |
50 years
|
|
|
|
|
Office Buildings | 1220 19th Street | Washington DC |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1] |
$ 7,803
|
|
|
|
|
Buildings and Improvements |
[1] |
11,366
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
16,634
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
|
7,803
|
|
|
|
|
Buildings and Improvements |
|
28,000
|
|
|
|
|
Total |
|
35,803
|
|
|
|
|
Accumulated Depreciation |
|
$ 18,859
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
103
|
|
|
|
|
Depreciation Life |
[4] |
30 years
|
|
|
|
|
Office Buildings | 1600 Wilson Boulevard | Virginia |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1] |
$ 6,661
|
|
|
|
|
Buildings and Improvements |
[1] |
16,742
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
31,274
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
|
6,661
|
|
|
|
|
Buildings and Improvements |
|
48,016
|
|
|
|
|
Total |
|
54,677
|
|
|
|
|
Accumulated Depreciation |
|
$ 29,563
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
170
|
|
|
|
|
Depreciation Life |
[4] |
30 years
|
|
|
|
|
Office Buildings | Silverline Center | Virginia |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1] |
$ 12,049
|
|
|
|
|
Buildings and Improvements |
[1] |
71,825
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
102,283
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
|
12,049
|
|
|
|
|
Buildings and Improvements |
|
174,108
|
|
|
|
|
Total |
|
186,157
|
|
|
|
|
Accumulated Depreciation |
|
$ 104,536
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
549
|
|
|
|
|
Depreciation Life |
[4] |
30 years
|
|
|
|
|
Office Buildings | Courthouse Square | Virginia |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1] |
$ 0
|
|
|
|
|
Buildings and Improvements |
[1] |
17,096
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
10,172
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
|
0
|
|
|
|
|
Buildings and Improvements |
|
27,268
|
|
|
|
|
Total |
|
27,268
|
|
|
|
|
Accumulated Depreciation |
|
$ 17,615
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
120
|
|
|
|
|
Depreciation Life |
[4] |
30 years
|
|
|
|
|
Office Buildings | Monument II | Virginia |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1] |
$ 10,244
|
|
|
|
|
Buildings and Improvements |
[1] |
65,205
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
12,332
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
|
10,244
|
|
|
|
|
Buildings and Improvements |
|
77,537
|
|
|
|
|
Total |
|
87,781
|
|
|
|
|
Accumulated Depreciation |
|
$ 35,474
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
209
|
|
|
|
|
Depreciation Life |
[4] |
30 years
|
|
|
|
|
Office Buildings | 2000 M Street | Washington DC |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1] |
$ 0
|
|
|
|
|
Buildings and Improvements |
[1] |
61,101
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
41,735
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
|
0
|
|
|
|
|
Buildings and Improvements |
|
102,836
|
|
|
|
|
Total |
|
102,836
|
|
|
|
|
Accumulated Depreciation |
|
$ 40,369
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
232
|
|
|
|
|
Depreciation Life |
[4] |
30 years
|
|
|
|
|
Office Buildings | 1140 Connecticut Avenue | Washington DC |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1] |
$ 25,226
|
|
|
|
|
Buildings and Improvements |
[1] |
50,495
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
18,799
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
|
25,226
|
|
|
|
|
Buildings and Improvements |
|
69,294
|
|
|
|
|
Total |
|
94,520
|
|
|
|
|
Accumulated Depreciation |
|
$ 24,486
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
184
|
|
|
|
|
Depreciation Life |
[4] |
30 years
|
|
|
|
|
Office Buildings | 1227 25th Street | Washington DC |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1] |
$ 17,505
|
|
|
|
|
Buildings and Improvements |
[1] |
21,319
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
11,454
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
|
17,505
|
|
|
|
|
Buildings and Improvements |
|
32,773
|
|
|
|
|
Total |
|
50,278
|
|
|
|
|
Accumulated Depreciation |
|
$ 11,315
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
135
|
|
|
|
|
Depreciation Life |
[4] |
30 years
|
|
|
|
|
Office Buildings | John Marshall II | Virginia |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1] |
$ 13,490
|
|
|
|
|
Buildings and Improvements |
[1] |
53,024
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
9,534
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
|
13,490
|
|
|
|
|
Buildings and Improvements |
|
62,558
|
|
|
|
|
Total |
|
76,048
|
|
|
|
|
Accumulated Depreciation |
|
$ 19,020
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
223
|
|
|
|
|
Depreciation Life |
[4] |
30 years
|
|
|
|
|
Office Buildings | Fairgate at Ballston | Virginia |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1] |
$ 17,750
|
|
|
|
|
Buildings and Improvements |
[1] |
29,885
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
7,203
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
|
17,750
|
|
|
|
|
Buildings and Improvements |
|
37,088
|
|
|
|
|
Total |
|
54,838
|
|
|
|
|
Accumulated Depreciation |
|
$ 12,571
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
145
|
|
|
|
|
Depreciation Life |
[4] |
30 years
|
|
|
|
|
Office Buildings | Army Navy Building | Washington DC |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1] |
$ 30,796
|
|
|
|
|
Buildings and Improvements |
[1] |
39,315
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
13,201
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
|
30,796
|
|
|
|
|
Buildings and Improvements |
|
52,516
|
|
|
|
|
Total |
|
83,312
|
|
|
|
|
Accumulated Depreciation |
|
$ 13,078
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
108
|
|
|
|
|
Depreciation Life |
[4] |
30 years
|
|
|
|
|
Office Buildings | 1775 Eye Street, NW | Washington DC |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1] |
$ 48,086
|
|
|
|
|
Buildings and Improvements |
[1] |
51,074
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
16,328
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
|
48,086
|
|
|
|
|
Buildings and Improvements |
|
67,402
|
|
|
|
|
Total |
|
115,488
|
|
|
|
|
Accumulated Depreciation |
|
$ 17,232
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
189
|
|
|
|
|
Depreciation Life |
[4] |
30 years
|
|
|
|
|
Office Buildings | Watergate 600 | Washington DC |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1] |
$ 45,981
|
|
|
|
|
Buildings and Improvements |
[1] |
78,325
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
39,225
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
|
45,981
|
|
|
|
|
Buildings and Improvements |
|
117,550
|
|
|
|
|
Total |
|
163,531
|
|
|
|
|
Accumulated Depreciation |
|
$ 13,419
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
293
|
|
|
|
|
Depreciation Life |
[4] |
30 years
|
|
|
|
|
Office Buildings | Arlington Tower | Virginia |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1] |
$ 63,970
|
|
|
|
|
Buildings and Improvements |
[1] |
156,525
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
10,951
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
|
63,970
|
|
|
|
|
Buildings and Improvements |
|
167,476
|
|
|
|
|
Total |
|
231,446
|
|
|
|
|
Accumulated Depreciation |
|
$ 14,437
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
391
|
|
|
|
|
Depreciation Life |
[4] |
30 years
|
|
|
|
|
Retail Centers |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1] |
$ 33,176
|
|
|
|
|
Buildings and Improvements |
[1] |
81,175
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
46,781
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
|
32,535
|
|
|
|
|
Buildings and Improvements |
|
128,598
|
|
|
|
|
Total |
|
161,133
|
|
|
|
|
Accumulated Depreciation |
|
$ 54,237
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
695
|
|
|
|
|
Retail Centers | Takoma Park | Maryland |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1] |
$ 415
|
|
|
|
|
Buildings and Improvements |
[1] |
1,084
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
289
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
|
366
|
|
|
|
|
Buildings and Improvements |
|
1,423
|
|
|
|
|
Total |
|
1,789
|
|
|
|
|
Accumulated Depreciation |
|
$ 1,205
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
51
|
|
|
|
|
Depreciation Life |
[4] |
50 years
|
|
|
|
|
Retail Centers | Westminster | Maryland |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1] |
$ 519
|
|
|
|
|
Buildings and Improvements |
[1] |
1,775
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
9,988
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
|
519
|
|
|
|
|
Buildings and Improvements |
|
11,763
|
|
|
|
|
Total |
|
12,282
|
|
|
|
|
Accumulated Depreciation |
|
$ 8,614
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
150
|
|
|
|
|
Depreciation Life |
[4] |
37 years
|
|
|
|
|
Retail Centers | Concord Centre | Virginia |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1] |
$ 413
|
|
|
|
|
Buildings and Improvements |
[1] |
850
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
7,415
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
|
413
|
|
|
|
|
Buildings and Improvements |
|
8,265
|
|
|
|
|
Total |
|
8,678
|
|
|
|
|
Accumulated Depreciation |
|
$ 4,036
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
75
|
|
|
|
|
Depreciation Life |
[4] |
33 years
|
|
|
|
|
Retail Centers | Chevy Chase Metro Plaza | Washington DC |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1] |
$ 1,549
|
|
|
|
|
Buildings and Improvements |
[1] |
4,304
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
8,377
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
|
1,549
|
|
|
|
|
Buildings and Improvements |
|
12,681
|
|
|
|
|
Total |
|
14,230
|
|
|
|
|
Accumulated Depreciation |
|
$ 8,287
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
49
|
|
|
|
|
Depreciation Life |
[4] |
50 years
|
|
|
|
|
Retail Centers | 800 S. Washington Street | Virginia |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1] |
$ 2,904
|
|
|
|
|
Buildings and Improvements |
[1] |
5,489
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
6,168
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
|
2,904
|
|
|
|
|
Buildings and Improvements |
|
11,657
|
|
|
|
|
Total |
|
14,561
|
|
|
|
|
Accumulated Depreciation |
|
$ 6,196
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
46
|
|
|
|
|
Depreciation Life |
[4] |
30 years
|
|
|
|
|
Retail Centers | Randolph Shopping Center | Maryland |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1] |
$ 4,928
|
|
|
|
|
Buildings and Improvements |
[1] |
13,025
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
1,200
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
|
4,928
|
|
|
|
|
Buildings and Improvements |
|
14,225
|
|
|
|
|
Total |
|
19,153
|
|
|
|
|
Accumulated Depreciation |
|
$ 6,846
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
83
|
|
|
|
|
Depreciation Life |
[4] |
30 years
|
|
|
|
|
Retail Centers | Montrose Shopping Center | Maryland |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1] |
$ 11,612
|
|
|
|
|
Buildings and Improvements |
[1] |
22,410
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
2,604
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
|
11,020
|
|
|
|
|
Buildings and Improvements |
|
25,606
|
|
|
|
|
Total |
|
36,626
|
|
|
|
|
Accumulated Depreciation |
|
$ 11,856
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
149
|
|
|
|
|
Depreciation Life |
[4] |
30 years
|
|
|
|
|
Retail Centers | Spring Valley Village | Washington DC |
|
|
|
|
|
|
Initial Cost |
|
|
|
|
|
|
Land |
[1] |
$ 10,836
|
|
|
|
|
Buildings and Improvements |
[1] |
32,238
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
|
|
|
|
|
Net Improvements (Retirement) since Acquisition |
|
10,740
|
|
|
|
|
Gross Amounts at Which Carried |
|
|
|
|
|
|
Land |
|
10,836
|
|
|
|
|
Buildings and Improvements |
|
42,978
|
|
|
|
|
Total |
|
53,814
|
|
|
|
|
Accumulated Depreciation |
|
$ 7,197
|
|
|
|
|
Net Rentable Square Feet (sq ft) | ft² |
|
92
|
|
|
|
|
Depreciation Life |
[4] |
30 years
|
|
|
|
|
|
|