Other Expenses - Schedule of General and Administrative Expenses (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Schedule of Equity Method Investments [Line Items]
Professional services	$ 4,281	$ 3,817	$ 8,192	$ 7,957
Operating and other costs	1,942	1,881	3,730	3,357
Subtotal	6,223	5,698	11,922	11,314
Non-cash compensation expense
Restricted class A common stock earned	7,131	7,761	13,923	15,672
Director stock-based compensation	172	201	345	402
Subtotal	7,303	7,962	14,268	16,074
Total general and administrative expenses	13,526	13,660	26,190	27,388
Multifamily Joint Venture
Schedule of Equity Method Investments [Line Items]
Subtotal	$ 106	$ 320	$ 192	$ 543