Quarterly report pursuant to Section 13 or 15(d)

Unsecured Lines of Credit Payable - Line of Credit Facility, Increase (decrease), net (Details)

v3.3.0.814
Unsecured Lines of Credit Payable - Line of Credit Facility, Increase (decrease), net (Details)
$ in Thousands
9 Months Ended
Sep. 30, 2015
USD ($)
Line of Credit Facility, Increase (Decrease) During the Period [Roll Forward]  
Balance at December 31, 2014 $ 50,000
Balance at September 30, 2015 195,000
Prior Credit Facility No. 1 | Line of Credit  
Line of Credit Facility, Increase (Decrease) During the Period [Roll Forward]  
Balance at December 31, 2014 5,000
Borrowings 3,000
Repayments (8,000)
Balance at September 30, 2015 0
Prior Credit Facility No. 2 | Line of Credit  
Line of Credit Facility, Increase (Decrease) During the Period [Roll Forward]  
Balance at December 31, 2014 45,000
Borrowings 150,000
Repayments (195,000)
Balance at September 30, 2015 0
New Credit Facility | Line of Credit  
Line of Credit Facility, Increase (Decrease) During the Period [Roll Forward]  
Borrowings 365,000
Repayments (170,000)
Balance at September 30, 2015 $ 195,000