Other Assets and Liabilities - Summary of Unfunded Loan Commitment (Detail) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 124,679	$ 173,549
Increase (decrease) in CECL reserve	201,458	(34,443)
Ending balance	326,137	124,679
US Loans
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	26,885	42,995
Increase (decrease) in CECL reserve	40,995	(16,110)
Ending balance	67,880	26,885
Non-U.S. Loans
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	10,263	27,734
Increase (decrease) in CECL reserve	12,256	(17,471)
Ending balance	22,519	10,263
Unfunded Loan Commitment
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	6,263	10,031
Increase (decrease) in CECL reserve	10,117	(3,768)
Ending balance	16,380	6,263
Unfunded Loan Commitment \| US Loans
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	4,072	6,953
Increase (decrease) in CECL reserve	7,676	(2,881)
Ending balance	11,748	4,072
Unfunded Loan Commitment \| Non-U.S. Loans
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	2,191	2,994
Increase (decrease) in CECL reserve	2,441	(803)
Ending balance	4,632	2,191
Unique Loans
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	32,657	33,159
Increase (decrease) in CECL reserve	13,303	(502)
Ending balance	45,960	32,657
Unique Loans \| Unfunded Loan Commitment
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	0	84
Increase (decrease) in CECL reserve	0	(84)
Ending balance	0	0
Impaired loans
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	54,874	69,661
Increase (decrease) in CECL reserve	134,904	(360)
Ending balance	189,778	54,874
Impaired loans \| Unfunded Loan Commitment
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	0	0
Increase (decrease) in CECL reserve	0	0
Ending balance	$ 0	$ 0

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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446

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- Definition

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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 13
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447

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+ References

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