XML 56 R42.htm IDEA: XBRL DOCUMENT v3.10.0.1
Summary of Significant Accounting Policies - Mortgage Debt (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Accounting Policies [Abstract]    
Mortgage debt $ 503,555 $ 508,454
Deferred financing costs (1,773) 2,138
Mortgage debt, net $ 501,782 $ 506,316