Loans Receivable, Net - Loans Receivable Based On Our Internal Risk Ratings, Separated By Year Of Origination (Detail) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	$ 23,787,012	$ 25,017,880	$ 22,003,017
CECL reserve	(576,936)	(326,137)	(124,679)
Loans receivable, net	23,210,076	24,691,743
Total loans receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Year One	0	4,801,205
Year Two	5,128,418	10,486,491
Year Three	9,804,976	874,012
Year Four	919,167	3,779,023
Year Five	3,376,753	4,428,731
Prior	4,557,698	648,418
Loans receivable	23,787,012	25,017,880
U.S. loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Year One	0	2,297,577
Year Two	2,556,605	8,082,061
Year Three	6,981,813	779,017
Year Four	685,744	1,220,686
Year Five	827,750	3,226,953
Prior	2,531,288	213,010
Loans receivable	13,583,200	15,819,304
Non-U.S. loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Year One	0	1,568,347
Year Two	1,677,214	2,195,536
Year Three	2,314,899	94,995
Year Four	93,423	2,269,196
Year Five	2,284,546	86,706
Prior	0	0
Loans receivable	6,370,082	6,214,780
Unique loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Year One	0	935,281
Year Two	894,599	0
Year Three	0	0
Year Four	0	289,141
Year Five	264,457	830,263
Prior	797,395	0
Loans receivable	1,956,451	2,054,685
CECL reserve	(49,371)	(45,960)	(32,657)
Impaired loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Year One	0	0
Year Two	0	208,894
Year Three	508,264	0
Year Four	140,000	0
Year Five	0	284,809
Prior	1,229,015	435,408
Loans receivable	1,877,279	929,111
CECL reserve	(417,670)	(189,778)	$ (54,874)
1
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	763,101	1,403,185
1 | Total loans receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Year One	0	187,319
Year Two	172,575	563,426
Year Three	443,739	5,075
Year Four	39,877	231,894
Year Five	52,939	415,471
Prior	53,971	0
Loans receivable	763,101	1,403,185
1 | U.S. loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Year One	0	145,152
Year Two	172,575	563,426
Year Three	443,739	5,075
Year Four	39,877	231,894
Year Five	52,939	415,471
Prior	53,971	0
Loans receivable	763,101	1,361,018
1 | Non-U.S. loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
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 | Unique loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Year One	0	42,167
Year Two	0	0
Year Three	0	0
Year Four	0	0
Year Five	0	0
Prior	0	0
Loans receivable	0	42,167
1 | Impaired loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
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
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	6,143,184	5,880,424
2 | Total loans receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Year One	0	707,894
Year Two	1,229,951	2,351,559
Year Three	3,113,924	457,057
Year Four	125,602	1,185,193
Year Five	235,532	1,178,721
Prior	1,438,175	0
Loans receivable	6,143,184	5,880,424
2 | U.S. loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Year One	0	117,314
Year Two	195,755	1,742,289
Year Three	1,883,162	362,062
Year Four	32,179	156,478
Year Five	200,917	1,178,721
Prior	1,438,175	0
Loans receivable	3,750,188	3,556,864
2 | Non-U.S. loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Year One	0	590,580
Year Two	1,034,196	609,270
Year Three	1,230,762	94,995
Year Four	93,423	1,028,715
Year Five	34,615	0
Prior	0	0
Loans receivable	2,392,996	2,323,560
2 | Unique loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
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
Accounts, Notes, Loans and Financing Receivable [Line Items]
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
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	12,277,518	14,128,133
3 | Total loans receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Year One	0	3,905,992
Year Two	3,408,227	7,362,612
Year Three	4,814,979	411,880
Year Four	613,688	1,632,164
Year Five	2,895,114	735,162
Prior	545,510	80,323
Loans receivable	12,277,518	14,128,133
3 | U.S. loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Year One	0	2,035,111
Year Two	1,870,610	5,776,346
Year Three	3,730,842	411,880
Year Four	613,688	735,772
Year Five	380,726	472,134
Prior	359,257	80,323
Loans receivable	6,955,123	9,511,566
3 | Non-U.S. loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Year One	0	977,767
Year Two	643,018	1,586,266
Year Three	1,084,137	0
Year Four	0	896,392
Year Five	2,249,931	86,706
Prior	0	0
Loans receivable	3,977,086	3,547,131
3 | Unique loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Year One	0	893,114
Year Two	894,599	0
Year Three	0	0
Year Four	0	0
Year Five	264,457	176,322
Prior	186,253	0
Loans receivable	1,345,309	1,069,436
3 | Impaired loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
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
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	2,725,930	2,677,027
4 | Total loans receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Year One	0	0
Year Two	317,665	0
Year Three	924,070	0
Year Four	0	729,772
Year Five	193,168	1,814,568
Prior	1,291,027	132,687
Loans receivable	2,725,930	2,677,027
4 | U.S. loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Year One	0	0
Year Two	317,665	0
Year Three	924,070	0
Year Four	0	96,542
Year Five	193,168	1,160,627
Prior	679,885	132,687
Loans receivable	2,114,788	1,389,856
4 | Non-U.S. loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Year One	0	0
Year Two	0	0
Year Three	0	0
Year Four	0	344,089
Year Five	0	0
Prior	0	0
Loans receivable	0	344,089
4 | Unique loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Year One	0	0
Year Two	0	0
Year Three	0	0
Year Four	0	289,141
Year Five	0	653,941
Prior	611,142	0
Loans receivable	611,142	943,082
4 | Impaired loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
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
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	1,877,279	929,111
5 | Total loans receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Year One	0	0
Year Two	0	208,894
Year Three	508,264	0
Year Four	140,000	0
Year Five	0	284,809
Prior	1,229,015	435,408
Loans receivable	1,877,279	929,111
5 | U.S. loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
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
Accounts, Notes, Loans and Financing Receivable [Line Items]
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
Accounts, Notes, Loans and Financing Receivable [Line Items]
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
Accounts, Notes, Loans and Financing Receivable [Line Items]
Year One	0	0
Year Two	0	208,894
Year Three	508,264	0
Year Four	140,000	0
Year Five	0	284,809
Prior	1,229,015	435,408
Loans receivable	$ 1,877,279	$ 929,111