Loans Receivable, Net - Loans Receivable Based On Our Internal Risk Ratings, Separated By Year Of Origination (Detail) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended	12 Months Ended
	Jun. 30, 2025	Mar. 31, 2025	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2025	Dec. 31, 2024	Dec. 31, 2023
Total loans receivable
Loans receivable	$ 19,706,105				$ 19,706,105	$ 19,047,518
CECL reserve	(740,851)	$ (741,541)	$ (893,938)	$ (751,370)	(740,851)	(733,936)	$ (576,936)
Loans receivable, net	18,965,254				18,965,254	18,313,582
Gross charge-offs
Year one					0	0
Year two					0	0
Year three					0	(52,045)
Year four					(166)	(255,005)
Year five					(44,891)	0
Prior					(41,824)	(77,553)
Charge-offs	(45,057)	(41,824)	(12,537)	(61,013)	(86,881)	(384,603)
Total loans receivable
Total loans receivable
Year one	3,208,838				3,208,838	329,059
Year two	332,202				332,202	0
Year three	0				0	4,264,668
Year four	4,007,691				4,007,691	7,399,261
Year five	6,609,388				6,609,388	873,180
Prior	5,547,986				5,547,986	6,181,350
Loans receivable	19,706,105				19,706,105	19,047,518
Unique Loans
Total loans receivable
Year one	0				0	0
Year two	0				0	0
Year three	0				0	814,225
Year four	864,675				864,675	0
Year five	0				0	0
Prior	858,567				858,567	791,558
Loans receivable	1,723,242				1,723,242	1,605,783
CECL reserve	(52,813)	(48,564)	(43,876)	(43,453)	(52,813)	(47,087)	(49,371)
Gross charge-offs
Charge-offs	0	0	0	0
Impaired loans
Total loans receivable
Year one	0				0	0
Year two	0				0	0
Year three	0				0	170,388
Year four	166,893				166,893	367,030
Year five	604,448				604,448	34,214
Prior	820,279				820,279	1,255,929
Loans receivable	1,591,620				1,591,620	1,827,561
CECL reserve	(558,767)	(555,379)	(759,380)	(602,599)	(558,767)	(580,651)	$ (417,670)
Gross charge-offs
Charge-offs	(45,057)	$ (41,824)	$ (12,537)	$ (61,013)
U.S. loans
Total loans receivable
Year one	954,362				954,362	329,059
Year two	332,202				332,202	0
Year three	0				0	2,185,211
Year four	2,299,242				2,299,242	5,037,654
Year five	3,967,690				3,967,690	751,337
Prior	2,137,066				2,137,066	2,500,841
Loans receivable	9,690,562				9,690,562	10,804,102
Non-U.S. loans
Total loans receivable
Year one	2,254,476				2,254,476	0
Year two	0				0	0
Year three	0				0	1,094,844
Year four	676,881				676,881	1,994,577
Year five	2,037,250				2,037,250	87,629
Prior	1,732,074				1,732,074	1,633,022
Loans receivable	6,700,681				6,700,681	4,810,072
1
Total loans receivable
Loans receivable	476,141				476,141	1,919,280
1 | Total loans receivable
Total loans receivable
Year one	0				0	0
Year two	0				0	0
Year three	0				0	151,674
Year four	151,479				151,479	325,508
Year five	238,468				238,468	60,240
Prior	86,194				86,194	1,381,858
Loans receivable	476,141				476,141	1,919,280
1 | Unique Loans
Total loans receivable
Year one	0				0	0
Year two	0				0	0
Year three	0				0	0
Year four	0				0	0
Year five	0				0	0
Prior	0				0	0
Loans receivable	0				0	0
1 | Impaired loans
Total loans receivable
Year one	0				0	0
Year two	0				0	0
Year three	0				0	0
Year four	0				0	0
Year five	0				0	0
Prior	0				0	0
Loans receivable	0				0	0
1 | U.S. loans
Total loans receivable
Year one	0				0	0
Year two	0				0	0
Year three	0				0	151,674
Year four	151,479				151,479	245,289
Year five	238,468				238,468	60,240
Prior	86,194				86,194	1,381,858
Loans receivable	476,141				476,141	1,839,061
1 | Non-U.S. loans
Total loans receivable
Year one	0				0	0
Year two	0				0	0
Year three	0				0	0
Year four	0				0	80,219
Year five	0				0	0
Prior	0				0	0
Loans receivable	0				0	80,219
2
Total loans receivable
Loans receivable	2,942,069				2,942,069	3,346,881
2 | Total loans receivable
Total loans receivable
Year one	559,630				559,630	60,651
Year two	60,858				60,858	0
Year three	0				0	697,257
Year four	774,171				774,171	2,399,516
Year five	1,285,586				1,285,586	87,629
Prior	261,824				261,824	101,828
Loans receivable	2,942,069				2,942,069	3,346,881
2 | Unique Loans
Total loans receivable
Year one	0				0	0
Year two	0				0	0
Year three	0				0	0
Year four	0				0	0
Year five	0				0	0
Prior	0				0	0
Loans receivable	0				0	0
2 | Impaired loans
Total loans receivable
Year one	0				0	0
Year two	0				0	0
Year three	0				0	0
Year four	0				0	0
Year five	0				0	0
Prior	0				0	0
Loans receivable	0				0	0
2 | U.S. loans
Total loans receivable
Year one	0				0	60,651
Year two	60,858				60,858	0
Year three	0				0	197,153
Year four	197,143				197,143	1,611,856
Year five	627,773				627,773	0
Prior	261,824				261,824	0
Loans receivable	1,147,598				1,147,598	1,869,660
2 | Non-U.S. loans
Total loans receivable
Year one	559,630				559,630	0
Year two	0				0	0
Year three	0				0	500,104
Year four	577,028				577,028	787,660
Year five	657,813				657,813	87,629
Prior	0				0	101,828
Loans receivable	1,794,471				1,794,471	1,477,221
3
Total loans receivable
Loans receivable	11,908,048				11,908,048	9,246,692
3 | Total loans receivable
Total loans receivable
Year one	2,649,208				2,649,208	268,408
Year two	271,344				271,344	0
Year three	0				0	3,008,569
Year four	2,550,514				2,550,514	3,287,535
Year five	3,980,786				3,980,786	691,097
Prior	2,456,196				2,456,196	1,991,083
Loans receivable	11,908,048				11,908,048	9,246,692
3 | Unique Loans
Total loans receivable
Year one	0				0	0
Year two	0				0	0
Year three	0				0	814,225
Year four	864,675				864,675	0
Year five	0				0	0
Prior	295,307				295,307	265,808
Loans receivable	1,159,982				1,159,982	1,080,033
3 | Impaired loans
Total loans receivable
Year one	0				0	0
Year two	0				0	0
Year three	0				0	0
Year four	0				0	0
Year five	0				0	0
Prior	0				0	0
Loans receivable	0				0	0
3 | U.S. loans
Total loans receivable
Year one	954,362				954,362	268,408
Year two	271,344				271,344	0
Year three	0				0	1,599,604
Year four	1,585,986				1,585,986	2,160,837
Year five	2,601,349				2,601,349	691,097
Prior	794,940				794,940	392,470
Loans receivable	6,207,981				6,207,981	5,112,416
3 | Non-U.S. loans
Total loans receivable
Year one	1,694,846				1,694,846	0
Year two	0				0	0
Year three	0				0	594,740
Year four	99,853				99,853	1,126,698
Year five	1,379,437				1,379,437	0
Prior	1,365,949				1,365,949	1,332,805
Loans receivable	4,540,085				4,540,085	3,054,243
4
Total loans receivable
Loans receivable	2,788,227				2,788,227	2,707,104
4 | Total loans receivable
Total loans receivable
Year one	0				0	0
Year two	0				0	0
Year three	0				0	236,780
Year four	364,634				364,634	1,019,672
Year five	500,100				500,100	0
Prior	1,923,493				1,923,493	1,450,652
Loans receivable	2,788,227				2,788,227	2,707,104
4 | Unique Loans
Total loans receivable
Year one	0				0	0
Year two	0				0	0
Year three	0				0	0
Year four	0				0	0
Year five	0				0	0
Prior	563,260				563,260	525,750
Loans receivable	563,260				563,260	525,750
4 | Impaired loans
Total loans receivable
Year one	0				0	0
Year two	0				0	0
Year three	0				0	0
Year four	0				0	0
Year five	0				0	0
Prior	0				0	0
Loans receivable	0				0	0
4 | U.S. loans
Total loans receivable
Year one	0				0	0
Year two	0				0	0
Year three	0				0	236,780
Year four	364,634				364,634	1,019,672
Year five	500,100				500,100	0
Prior	994,108				994,108	726,513
Loans receivable	1,858,842				1,858,842	1,982,965
4 | Non-U.S. loans
Total loans receivable
Year one	0				0	0
Year two	0				0	0
Year three	0				0	0
Year four	0				0	0
Year five	0				0	0
Prior	366,125				366,125	198,389
Loans receivable	366,125				366,125	198,389
5
Total loans receivable
Loans receivable	1,591,620				1,591,620	1,827,561
5 | Total loans receivable
Total loans receivable
Year one	0				0	0
Year two	0				0	0
Year three	0				0	170,388
Year four	166,893				166,893	367,030
Year five	604,448				604,448	34,214
Prior	820,279				820,279	1,255,929
Loans receivable	1,591,620				1,591,620	1,827,561
5 | Unique Loans
Total loans receivable
Year one	0				0	0
Year two	0				0	0
Year three	0				0	0
Year four	0				0	0
Year five	0				0	0
Prior	0				0	0
Loans receivable	0				0	0
5 | Impaired loans
Total loans receivable
Year one	0				0	0
Year two	0				0	0
Year three	0				0	170,388
Year four	166,893				166,893	367,030
Year five	604,448				604,448	34,214
Prior	820,279				820,279	1,255,929
Loans receivable	1,591,620				1,591,620	1,827,561
5 | U.S. loans
Total loans receivable
Year one	0				0	0
Year two	0				0	0
Year three	0				0	0
Year four	0				0	0
Year five	0				0	0
Prior	0				0	0
Loans receivable	0				0	0
5 | Non-U.S. loans
Total loans receivable
Year one	0				0	0
Year two	0				0	0
Year three	0				0	0
Year four	0				0	0
Year five	0				0	0
Prior	0				0	0
Loans receivable	$ 0				$ 0	$ 0