Summary of Significant Accounting Policies - Summary of Credit Loss Reserves (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Accounting Policies [Abstract]
Balance at beginning of the year	$ 511,473	$ 96,001
Provision for credit loss, net	168,186	1,241,020
Expected credit loss reserve written off or related to financial instruments sold, repaid, or satisfied	(126,362)	(825,548)
Balance at end of year	$ 553,297	$ 511,473