Loans Receivable, Net - Schedule Of Current Expected Credit Loss Reserve By Pool (Detail) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended	12 Months Ended
Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2025	Dec. 31, 2024
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 740,851	$ 741,541	$ 733,936	$ 893,938	$ 751,370	$ 576,936	$ 733,936	$ 576,936
(Decrease) increase in CECL reserves	(3,021)	44,367	49,429	134,110	155,105	235,447
Charge-offs of CECL reserves	(42,111)	(45,057)	(41,824)	(16,989)	(12,537)	(61,013)	(128,992)	(384,603)
Ending balance	695,719	740,851	741,541	1,011,059	893,938	751,370	695,719	733,936
US Loans
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	90,902	97,661	80,057	62,531	74,528	78,335	80,057	78,335
(Decrease) increase in CECL reserves	5,134	(6,759)	17,604	(9,584)	(11,997)	(3,807)
Charge-offs of CECL reserves	0	0	0	0	0	0
Ending balance	96,036	90,902	97,661	52,947	62,531	74,528	96,036	80,057
Non-U.S. Loans
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	38,369	39,937	26,141	28,151	30,790	31,560	26,141	31,560
(Decrease) increase in CECL reserves	3,302	(1,568)	13,796	(1,916)	(2,639)	(770)
Charge-offs of CECL reserves	0	0	0	0	0	0
Ending balance	41,671	38,369	39,937	26,235	28,151	30,790	41,671	26,141
Unique Loans
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	52,813	48,564	47,087	43,876	43,453	49,371	47,087	49,371
(Decrease) increase in CECL reserves	(207)	4,249	1,477	4,424	423	(5,918)
Charge-offs of CECL reserves	0	0	0	0	0	0
Ending balance	52,606	52,813	48,564	48,300	43,876	43,453	52,606	47,087
Impaired loans
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	558,767	555,379	580,651	759,380	602,599	417,670	580,651	417,670
(Decrease) increase in CECL reserves	(11,250)	48,445	16,552	141,186	169,318	245,942
Charge-offs of CECL reserves	(42,111)	(45,057)	(41,824)	(16,989)	(12,537)	(61,013)
Ending balance	$ 505,406	$ 558,767	$ 555,379	$ 883,577	$ 759,380	$ 602,599	$ 505,406	$ 580,651

Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

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Amount, excluding accrued interest, of increase (decrease) in allowance for credit loss on financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

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