Loans Receivable, Net - Loans Receivable Based On Our Internal Risk Ratings, Separated By Year Of Origination (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	$ 25,017,880	$ 22,003,017	$ 16,572,715
CECL reserve	(326,137)	(124,679)	(173,549)
Loans receivable, net	24,691,743	21,878,338
Held-to-maturity debt securities	0	78,013
US Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Year One	2,297,577	8,514,292
Year Two	8,082,061	786,287
Year Three	779,017	1,623,239
Year Four	1,220,686	2,858,738
Year Five	3,226,953	958,787
Prior	213,010	399,977
Loans receivable	15,819,304	15,141,320
Non-U.S. Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Year One	1,568,347	2,101,240
Year Two	2,195,536	98,412
Year Three	94,995	2,582,847
Year Four	2,269,196	394,949
Year Five	86,706	0
Prior	0	0
Loans receivable	6,214,780	5,177,448
Unique Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Year One	935,281	0
Year Two	0	0
Year Three	0	322,787
Year Four	289,141	1,017,799
Year Five	830,263	0
Prior	0	58,854
Loans receivable	2,054,685	1,399,440
CECL reserve	(45,960)	(32,657)	(33,159)
Impaired loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Year One	0	0
Year Two	208,894	0
Year Three	0	0
Year Four	0	284,809
Year Five	284,809	0
Prior	435,408	0
Loans receivable	929,111	284,809
CECL reserve	(189,778)	(54,874)	$ (69,661)
Total loans receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Year One	4,801,205	10,615,532
Year Two	10,486,491	884,699
Year Three	874,012	4,528,873
Year Four	3,779,023	4,556,295
Year Five	4,428,731	958,787
Prior	648,418	458,831
Loans receivable	25,017,880	22,003,017
1
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	1,403,185	642,776
1 | US Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Year One	145,152	125,873
Year Two	563,426	0
Year Three	5,075	196,017
Year Four	231,894	72,752
Year Five	415,471	248,134
Prior	0	0
Loans receivable	1,361,018	642,776
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	42,167	0
Year Two	0	0
Year Three	0	0
Year Four	0	0
Year Five	0	0
Prior	0	0
Loans receivable	42,167	0
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
1 | Total loans receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Year One	187,319	125,873
Year Two	563,426	0
Year Three	5,075	196,017
Year Four	231,894	72,752
Year Five	415,471	248,134
Prior	0	0
Loans receivable	1,403,185	642,776
2
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	5,880,424	5,200,533
2 | US Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Year One	117,314	876,536
Year Two	1,742,289	427,839
Year Three	362,062	221,513
Year Four	156,478	1,134,176
Year Five	1,178,721	354,775
Prior	0	82,274
Loans receivable	3,556,864	3,097,113
2 | Non-U.S. Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Year One	590,580	698,130
Year Two	609,270	98,412
Year Three	94,995	1,306,878
Year Four	1,028,715	0
Year Five	0	0
Prior	0	0
Loans receivable	2,323,560	2,103,420
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
2 | Total loans receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Year One	707,894	1,574,666
Year Two	2,351,559	526,251
Year Three	457,057	1,528,391
Year Four	1,185,193	1,134,176
Year Five	1,178,721	354,775
Prior	0	82,274
Loans receivable	5,880,424	5,200,533
3
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	14,128,133	13,604,027
3 | US Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Year One	2,035,111	7,511,883
Year Two	5,776,346	358,448
Year Three	411,880	1,109,170
Year Four	735,772	1,116,872
Year Five	472,134	292,520
Prior	80,323	228,264
Loans receivable	9,511,566	10,617,157
3 | Non-U.S. Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Year One	977,767	1,403,110
Year Two	1,586,266	0
Year Three	0	932,939
Year Four	896,392	394,949
Year Five	86,706	0
Prior	0	0
Loans receivable	3,547,131	2,730,998
3 | Unique Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Year One	893,114	0
Year Two	0	0
Year Three	0	0
Year Four	0	197,018
Year Five	176,322	0
Prior	0	58,854
Loans receivable	1,069,436	255,872
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
3 | Total loans receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Year One	3,905,992	8,914,993
Year Two	7,362,612	358,448
Year Three	411,880	2,042,109
Year Four	1,632,164	1,708,839
Year Five	735,162	292,520
Prior	80,323	287,118
Loans receivable	14,128,133	13,604,027
4
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	2,677,027	2,270,872
4 | US Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Year One	0	0
Year Two	0	0
Year Three	0	96,539
Year Four	96,542	534,938
Year Five	1,160,627	63,358
Prior	132,687	89,439
Loans receivable	1,389,856	784,274
4 | Non-U.S. Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Year One	0	0
Year Two	0	0
Year Three	0	343,030
Year Four	344,089	0
Year Five	0	0
Prior	0	0
Loans receivable	344,089	343,030
4 | Unique Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Year One	0	0
Year Two	0	0
Year Three	0	322,787
Year Four	289,141	820,781
Year Five	653,941	0
Prior	0	0
Loans receivable	943,082	1,143,568
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
4 | Total loans receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Year One	0	0
Year Two	0	0
Year Three	0	762,356
Year Four	729,772	1,355,719
Year Five	1,814,568	63,358
Prior	132,687	89,439
Loans receivable	2,677,027	2,270,872
5 | US 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	208,894	0
Year Three	0	0
Year Four	0	284,809
Year Five	284,809	0
Prior	435,408	0
Loans receivable	929,111	284,809
5 | Total loans receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Year One	0	0
Year Two	208,894	0
Year Three	0	0
Year Four	0	284,809
Year Five	284,809	0
Prior	435,408	0
Loans receivable	$ 929,111	$ 284,809