Loans Receivable, Net - Schedule Of Current Expected Credit Loss Reserve By Pool (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 124,679	$ 173,549
Increase (decrease) in CECL reserve	(2,458)	(1,449)
Ending balance	122,221	172,100
U.S. Loans
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	26,885	42,995
Increase (decrease) in CECL reserve	(644)	1,539
Ending balance	26,241	44,534
Non-U.S. Loans
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	10,263	27,734
Increase (decrease) in CECL reserve	(54)	(3,134)
Ending balance	10,209	24,600
Unique Loans
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	32,657	33,159
Increase (decrease) in CECL reserve	(1,760)	146
Ending balance	30,897	33,305
Impaired loans
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance	54,874	69,661
Increase (decrease) in CECL reserve	0	0
Ending balance	$ 54,874	$ 69,661