Loans Receivable, Net - Loans Receivable Based On Our Internal Risk Ratings, Separated By Year Of Origination (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023	Dec. 31, 2022
Total loans receivable
Loans receivable	$ 23,189,312	$ 23,787,012
CECL reserve	(751,370)	(576,936)	$ (336,591)	$ (326,137)
Loans receivable, net	22,437,942	23,210,076
Gross charge-offs
Year One	0
Year Two	0
Year Three	0
Year Four	(54,313)
Year Five	0
Prior	(6,700)
Charge-offs	(61,013)
Total loans receivable
Total loans receivable
Year One	0	0
Year Two	0	5,128,418
Year Three	5,192,588	9,804,976
Year Four	9,461,952	919,167
Year Five	882,989	3,376,753
Prior	7,651,783	4,557,698
Loans receivable	23,189,312	23,787,012
U.S. loans
Total loans receivable
Year One	0	0
Year Two	0	2,556,605
Year Three	2,322,497	6,981,813
Year Four	6,354,268	685,744
Year Five	653,002	827,750
Prior	3,324,053	2,531,288
Loans receivable	12,653,820	13,583,200
Non-U.S. loans
Total loans receivable
Year One	0	0
Year Two	0	1,677,214
Year Three	1,693,335	2,314,899
Year Four	2,218,598	93,423
Year Five	91,147	2,284,546
Prior	2,253,134	0
Loans receivable	6,256,214	6,370,082
Unique loans
Total loans receivable
Year One	0	0
Year Two	0	894,599
Year Three	856,787	0
Year Four	0	0
Year Five	0	264,457
Prior	1,031,811	797,395
Loans receivable	1,888,598	1,956,451
CECL reserve	(43,453)	(49,371)	(46,443)	(45,960)
Gross charge-offs
Charge-offs	0
Impaired loans
Total loans receivable
Year One	0	0
Year Two	0	0
Year Three	319,969	508,264
Year Four	889,086	140,000
Year Five	138,840	0
Prior	1,042,785	1,229,015
Loans receivable	2,390,680	1,877,279
CECL reserve	(602,599)	(417,670)	$ (197,258)	$ (189,778)
Gross charge-offs
Charge-offs	(61,013)
1
Total loans receivable
Loans receivable	791,251	763,101
1 | Total loans receivable
Total loans receivable
Year One	0	0
Year Two	0	172,575
Year Three	172,638	443,739
Year Four	439,665	39,877
Year Five	72,105	52,939
Prior	106,843	53,971
Loans receivable	791,251	763,101
1 | U.S. loans
Total loans receivable
Year One	0	0
Year Two	0	172,575
Year Three	172,638	443,739
Year Four	355,295	39,877
Year Five	72,105	52,939
Prior	106,843	53,971
Loans receivable	706,881	763,101
1 | Non-U.S. loans
Total loans receivable
Year One	0	0
Year Two	0	0
Year Three	0	0
Year Four	84,370	0
Year Five	0	0
Prior	0	0
Loans receivable	84,370	0
1 | Unique loans
Total loans receivable
Year One	0	0
Year Two	0	0
Year Three	0	0
Year Four	0	0
Year Five	0	0
Prior	0	0
Loans receivable	0	0
1 | Impaired loans
Total loans receivable
Year One	0	0
Year Two	0	0
Year Three	0	0
Year Four	0	0
Year Five	0	0
Prior	0	0
Loans receivable	0	0
2
Total loans receivable
Loans receivable	5,889,271	6,143,184
2 | Total loans receivable
Total loans receivable
Year One	0	0
Year Two	0	1,229,951
Year Three	1,213,742	3,113,924
Year Four	2,998,120	125,602
Year Five	91,147	235,532
Prior	1,586,262	1,438,175
Loans receivable	5,889,271	6,143,184
2 | U.S. loans
Total loans receivable
Year One	0	0
Year Two	0	195,755
Year Three	196,555	1,883,162
Year Four	1,899,702	32,179
Year Five	0	200,917
Prior	1,552,428	1,438,175
Loans receivable	3,648,685	3,750,188
2 | Non-U.S. loans
Total loans receivable
Year One	0	0
Year Two	0	1,034,196
Year Three	1,017,187	1,230,762
Year Four	1,098,418	93,423
Year Five	91,147	34,615
Prior	33,834	0
Loans receivable	2,240,586	2,392,996
2 | Unique loans
Total loans receivable
Year One	0	0
Year Two	0	0
Year Three	0	0
Year Four	0	0
Year Five	0	0
Prior	0	0
Loans receivable	0	0
2 | Impaired loans
Total loans receivable
Year One	0	0
Year Two	0	0
Year Three	0	0
Year Four	0	0
Year Five	0	0
Prior	0	0
Loans receivable	0	0
3
Total loans receivable
Loans receivable	11,425,297	12,277,518
3 | Total loans receivable
Total loans receivable
Year One	0	0
Year Two	0	3,408,227
Year Three	3,072,926	4,814,979
Year Four	4,470,419	613,688
Year Five	580,897	2,895,114
Prior	3,301,055	545,510
Loans receivable	11,425,297	12,277,518
3 | U.S. loans
Total loans receivable
Year One	0	0
Year Two	0	1,870,610
Year Three	1,539,991	3,730,842
Year Four	3,434,609	613,688
Year Five	580,897	380,726
Prior	633,740	359,257
Loans receivable	6,189,237	6,955,123
3 | Non-U.S. loans
Total loans receivable
Year One	0	0
Year Two	0	643,018
Year Three	676,148	1,084,137
Year Four	1,035,810	0
Year Five	0	2,249,931
Prior	2,219,300	0
Loans receivable	3,931,258	3,977,086
3 | Unique loans
Total loans receivable
Year One	0	0
Year Two	0	894,599
Year Three	856,787	0
Year Four	0	0
Year Five	0	264,457
Prior	448,015	186,253
Loans receivable	1,304,802	1,345,309
3 | Impaired loans
Total loans receivable
Year One	0	0
Year Two	0	0
Year Three	0	0
Year Four	0	0
Year Five	0	0
Prior	0	0
Loans receivable	0	0
4
Total loans receivable
Loans receivable	2,692,813	2,725,930
4 | Total loans receivable
Total loans receivable
Year One	0	0
Year Two	0	317,665
Year Three	413,313	924,070
Year Four	664,662	0
Year Five	0	193,168
Prior	1,614,838	1,291,027
Loans receivable	2,692,813	2,725,930
4 | U.S. loans
Total loans receivable
Year One	0	0
Year Two	0	317,665
Year Three	413,313	924,070
Year Four	664,662	0
Year Five	0	193,168
Prior	1,031,042	679,885
Loans receivable	2,109,017	2,114,788
4 | Non-U.S. loans
Total loans receivable
Year One	0	0
Year Two	0	0
Year Three	0	0
Year Four	0	0
Year Five	0	0
Prior	0	0
Loans receivable	0	0
4 | Unique loans
Total loans receivable
Year One	0	0
Year Two	0	0
Year Three	0	0
Year Four	0	0
Year Five	0	0
Prior	583,796	611,142
Loans receivable	583,796	611,142
4 | Impaired loans
Total loans receivable
Year One	0	0
Year Two	0	0
Year Three	0	0
Year Four	0	0
Year Five	0	0
Prior	0	0
Loans receivable	0	0
5
Total loans receivable
Loans receivable	2,390,680	1,877,279
5 | Total loans receivable
Total loans receivable
Year One	0	0
Year Two	0	0
Year Three	319,969	508,264
Year Four	889,086	140,000
Year Five	138,840	0
Prior	1,042,785	1,229,015
Loans receivable	2,390,680	1,877,279
5 | U.S. loans
Total loans receivable
Year One	0	0
Year Two	0	0
Year Three	0	0
Year Four	0	0
Year Five	0	0
Prior	0	0
Loans receivable	0	0
5 | Non-U.S. loans
Total loans receivable
Year One	0	0
Year Two	0	0
Year Three	0	0
Year Four	0	0
Year Five	0	0
Prior	0	0
Loans receivable	0	0
5 | Unique loans
Total loans receivable
Year One	0	0
Year Two	0	0
Year Three	0	0
Year Four	0	0
Year Five	0	0
Prior	0	0
Loans receivable	0	0
5 | Impaired loans
Total loans receivable
Year One	0	0
Year Two	0	0
Year Three	319,969	508,264
Year Four	889,086	140,000
Year Five	138,840	0
Prior	1,042,785	1,229,015
Loans receivable	$ 2,390,680	$ 1,877,279