Loans Receivable, Net - Schedule Of Current Expected Credit Loss Reserve By Pool (Detail) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2024
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 751,370	$ 576,936	$ 336,591	$ 326,137	$ 576,936
Increase (decrease) in CECL reserves	155,105	235,447	27,284	10,454
Charge-offs of CECL reserves	(12,537)	(61,013)			(73,550)
Ending balance	893,938	751,370	363,875	336,591	893,938
US Loans
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	74,528	78,335	73,194	67,880	78,335
Increase (decrease) in CECL reserves	(11,997)	(3,807)	1,199	5,314
Charge-offs of CECL reserves	0	0
Ending balance	62,531	74,528	74,393	73,194	62,531
Non-U.S. Loans
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	30,790	31,560	19,696	22,519	31,560
Increase (decrease) in CECL reserves	(2,639)	(770)	9,296	(2,823)
Charge-offs of CECL reserves	0	0
Ending balance	28,151	30,790	28,992	19,696	28,151
Unique Loans
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	43,453	49,371	46,443	45,960	49,371
Increase (decrease) in CECL reserves	423	(5,918)	(354)	483
Charge-offs of CECL reserves	0	0
Ending balance	43,876	43,453	46,089	46,443	43,876
Impaired loans
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	602,599	417,670	197,258	189,778	417,670
Increase (decrease) in CECL reserves	169,318	245,942	17,143	7,480
Charge-offs of CECL reserves	(12,537)	(61,013)
Ending balance	$ 759,380	$ 602,599	$ 214,401	$ 197,258	$ 759,380