Other Expenses - Schedule of General and Administrative Expenses (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Schedule of Equity Method Investments [Line Items]
Professional services	$ 3,753	$ 3,038	$ 11,709	$ 9,579
Operating and other costs	1,686	1,357	5,044	5,383
Subtotal	5,439	4,395	16,753	14,962
Non-cash compensation expense
Restricted class A common stock earned	7,728	7,434	23,400	22,418
Director stock-based compensation	256	172	658	508
Subtotal	7,984	7,606	24,058	22,926
Total general and administrative expenses	13,423	12,001	40,811	37,888
Multifamily Joint Venture
Schedule of Equity Method Investments [Line Items]
Subtotal	$ 125	$ 230	$ 668	$ 826