Annual report pursuant to Section 13 and 15(d)

Lease Accounting - Leasing as a Lessee Narrative (Details)

v3.19.3.a.u2
Lease Accounting - Leasing as a Lessee Narrative (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Jan. 01, 2019
Lessee, Lease, Description [Line Items]        
Operating ground lease remaining lease term (in years) 51 years      
Straight-line rental expense $ 300 $ 300 $ 300  
Variable rental payments 900 900 $ 900  
Lease liability $ 3,970      
Operating lease discount rate (percent) 5.90%      
Right-of-use asset and lease liability amortization $ 300      
ASU 2016-02        
Lessee, Lease, Description [Line Items]        
Right-of-use asset       $ 4,200
Lease liability       4,200
Below-market ground lease        
Lessee, Lease, Description [Line Items]        
Accumulated amortizatiom on below-market ground lease intangible assets prior to reclassification   $ 2,100    
Below-market ground lease | Reclassification adjustment | ASU 2016-02        
Lessee, Lease, Description [Line Items]        
Below-market ground lease intangible asset reclassified       $ 10,000