Real Estate and Other Activities - Summary of Activity in Credit Loss Reserves (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Receivables [Abstract]
Balance at beginning of the year	$ 577,455	$ 456,592	$ 511,473	$ 96,001
(Recovery) provision for credit loss, net	(12,659)	81,942	53,323	442,533
Expected credit loss reserve written off or related to financial instruments sold, repaid, or satisfied	0	0	0	0
Balance at end of the period	$ 564,796	$ 538,534	$ 564,796	$ 538,534