Loans Receivable, Net - Schedule Of Loan Receivable Portfolio Based On Floor Rate (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Disclosure Details Of Loan Receivable Portfolio Based On Floor Rate [Line Items]
Loans receivable	$ 25,160,343	$ 22,156,437	$ 16,652,824
Weighted Average
Disclosure Details Of Loan Receivable Portfolio Based On Floor Rate [Line Items]
Weighted-average index rate floor	0.36%
Excluding 0.0% index rate floors, weighted-average index rate floor	0.64%
Non-USD
Disclosure Details Of Loan Receivable Portfolio Based On Floor Rate [Line Items]
Loans receivable	$ 8,378,624
USD
Disclosure Details Of Loan Receivable Portfolio Based On Floor Rate [Line Items]
Loans receivable	16,781,719
Fixed Rate
Disclosure Details Of Loan Receivable Portfolio Based On Floor Rate [Line Items]
Loans receivable	38,160
Fixed Rate | Non-USD
Disclosure Details Of Loan Receivable Portfolio Based On Floor Rate [Line Items]
Loans receivable	0
Fixed Rate | USD
Disclosure Details Of Loan Receivable Portfolio Based On Floor Rate [Line Items]
Loans receivable	38,160
0.00% or no floor
Disclosure Details Of Loan Receivable Portfolio Based On Floor Rate [Line Items]
Loans receivable	11,452,503
0.00% or no floor | Non-USD
Disclosure Details Of Loan Receivable Portfolio Based On Floor Rate [Line Items]
Loans receivable	6,973,651
0.00% or no floor | USD
Disclosure Details Of Loan Receivable Portfolio Based On Floor Rate [Line Items]
Loans receivable	4,478,852
0.01% to 1.00% floor
Disclosure Details Of Loan Receivable Portfolio Based On Floor Rate [Line Items]
Loans receivable	9,964,421
0.01% to 1.00% floor | Non-USD
Disclosure Details Of Loan Receivable Portfolio Based On Floor Rate [Line Items]
Loans receivable	858,247
0.01% to 1.00% floor | USD
Disclosure Details Of Loan Receivable Portfolio Based On Floor Rate [Line Items]
Loans receivable	9,106,174
1.01% to 1.50% floor
Disclosure Details Of Loan Receivable Portfolio Based On Floor Rate [Line Items]
Loans receivable	2,258,258
1.01% to 1.50% floor | Non-USD
Disclosure Details Of Loan Receivable Portfolio Based On Floor Rate [Line Items]
Loans receivable	153,453
1.01% to 1.50% floor | USD
Disclosure Details Of Loan Receivable Portfolio Based On Floor Rate [Line Items]
Loans receivable	2,104,805
1.51% to 2.00% floor
Disclosure Details Of Loan Receivable Portfolio Based On Floor Rate [Line Items]
Loans receivable	1,040,966
1.51% to 2.00% floor | Non-USD
Disclosure Details Of Loan Receivable Portfolio Based On Floor Rate [Line Items]
Loans receivable	343,841
1.51% to 2.00% floor | USD
Disclosure Details Of Loan Receivable Portfolio Based On Floor Rate [Line Items]
Loans receivable	697,125
2.01% or more floor
Disclosure Details Of Loan Receivable Portfolio Based On Floor Rate [Line Items]
Loans receivable	406,035
2.01% or more floor | Non-USD
Disclosure Details Of Loan Receivable Portfolio Based On Floor Rate [Line Items]
Loans receivable	49,432
2.01% or more floor | USD
Disclosure Details Of Loan Receivable Portfolio Based On Floor Rate [Line Items]
Loans receivable	$ 356,603