Escrow Deposits, Prepaid Expenses and Other Assets - Components of Deferred Costs and Intangibles (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Acquired Indefinite-lived Intangible Assets
Deferred leasing costs	$ 3,607	$ 3,738
Deferred financing costs	11,244	11,244
Deferred cost and intangible assets	16,951	17,082
Less: accumulated amortization	(10,771)	(10,242)
Total	6,180	6,840
Database intangible asset
Acquired Indefinite-lived Intangible Assets
Database intangible asset	$ 2,100	$ 2,100