Other Expenses - Schedule of General and Administrative Expenses (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Professional services	$ 2,698	$ 1,819
Operating and other costs	1,012	693
Subtotal	3,710	2,512
Non-cash compensation expenses
Restricted class A common stock earned	8,477	7,960
Director stock-based compensation	173	125
Subtotal	8,650	8,085
Total general and administrative expenses	12,360	10,597
Multifamily | Joint Venture
Non-cash compensation expenses
Expenses related to multifamily joint venture	$ 317	$ 235