Loans Receivable, Net - Schedule Of Loan Receivable Portfolio Based On Floor Rate (Detail) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Disclosure Details Of Loan Receivable Portfolio Based On Floor Rate [Line Items]
Loans receivable	$ 25,020,489	$ 25,160,343
Weighted Average
Disclosure Details Of Loan Receivable Portfolio Based On Floor Rate [Line Items]
Weighted-average index rate floor	0.34%
Excluding 0.0% index rate floors, weighted-average index rate floor	0.61%
Non-USD
Disclosure Details Of Loan Receivable Portfolio Based On Floor Rate [Line Items]
Loans receivable	$ 8,418,406
USD
Disclosure Details Of Loan Receivable Portfolio Based On Floor Rate [Line Items]
Loans receivable	16,602,083
Fixed Rate
Disclosure Details Of Loan Receivable Portfolio Based On Floor Rate [Line Items]
Loans receivable	39,588
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	39,588
0.00% or no floor
Disclosure Details Of Loan Receivable Portfolio Based On Floor Rate [Line Items]
Loans receivable	11,624,269
0.00% or no floor | Non-USD
Disclosure Details Of Loan Receivable Portfolio Based On Floor Rate [Line Items]
Loans receivable	7,031,512
0.00% or no floor | USD
Disclosure Details Of Loan Receivable Portfolio Based On Floor Rate [Line Items]
Loans receivable	4,592,757
0.01% to 1.00% floor
Disclosure Details Of Loan Receivable Portfolio Based On Floor Rate [Line Items]
Loans receivable	9,855,103
0.01% to 1.00% floor | Non-USD
Disclosure Details Of Loan Receivable Portfolio Based On Floor Rate [Line Items]
Loans receivable	868,032
0.01% to 1.00% floor | USD
Disclosure Details Of Loan Receivable Portfolio Based On Floor Rate [Line Items]
Loans receivable	8,987,071
1.01% to 1.50% floor
Disclosure Details Of Loan Receivable Portfolio Based On Floor Rate [Line Items]
Loans receivable	2,200,903
1.01% to 1.50% floor | Non-USD
Disclosure Details Of Loan Receivable Portfolio Based On Floor Rate [Line Items]
Loans receivable	156,283
1.01% to 1.50% floor | USD
Disclosure Details Of Loan Receivable Portfolio Based On Floor Rate [Line Items]
Loans receivable	2,044,620
1.51% to 2.00% floor
Disclosure Details Of Loan Receivable Portfolio Based On Floor Rate [Line Items]
Loans receivable	812,523
1.51% to 2.00% floor | Non-USD
Disclosure Details Of Loan Receivable Portfolio Based On Floor Rate [Line Items]
Loans receivable	313,008
1.51% to 2.00% floor | USD
Disclosure Details Of Loan Receivable Portfolio Based On Floor Rate [Line Items]
Loans receivable	499,515
2.01% or more floor
Disclosure Details Of Loan Receivable Portfolio Based On Floor Rate [Line Items]
Loans receivable	488,103
2.01% or more floor | Non-USD
Disclosure Details Of Loan Receivable Portfolio Based On Floor Rate [Line Items]
Loans receivable	49,571
2.01% or more floor | USD
Disclosure Details Of Loan Receivable Portfolio Based On Floor Rate [Line Items]
Loans receivable	$ 438,532