Real Estate and Other Activities - Summary of Activity in Credit Loss Reserves (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Receivables [Abstract]
Balance at beginning of the year	$ 511,473	$ 96,001
Provision for credit loss, net	65,982	362,187
Expected credit loss reserve written off or related to financial instruments sold, repaid, or satisfied	(0)	(1,596)
Balance at end of the period	$ 577,455	$ 456,592