Investment in Unconsolidated Ventures - Summary of Real Estate Properties Owned (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Schedule of Equity Method Investments [Line Items]
Land	$ 23,317	$ 25,585
Building	141,143	154,854
Building improvements	8,724	10,590
Real estate properties	173,184	191,029
Accumulated depreciation	(32,193)	(30,837)
Total real estate properties, net	140,991	160,192
Unconsolidated Joint Ventures
Schedule of Equity Method Investments [Line Items]
Land	110,887	148,341
Building	893,443	1,029,739
Building improvements	35,027	42,698
Real estate properties	1,039,357	1,220,778
Accumulated depreciation	(142,413)	(145,600)
Total real estate properties, net	$ 896,944	$ 1,075,178