Other Expenses - Schedule of General and Administrative Expenses (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Professional services	$ 3,038	$ 2,695	$ 9,579	$ 8,086
Operating and other costs	1,357	2,018	5,383	4,329
Subtotal	4,395	4,713	14,962	12,415
Non-cash compensation expenses
Restricted class A common stock earned	7,434	8,046	22,418	24,768
Director stock-based compensation	172	173	508	518
Subtotal	7,606	8,219	22,926	25,286
Total general and administrative expenses	12,001	12,932	37,888	37,701
Multifamily | Joint Venture
Non-cash compensation expenses
Expenses related to multifamily joint venture	$ 230	$ 239	$ 826	$ 783