Loans Receivable, Net - Schedule Of Loan Receivable Portfolio Based On Floor Rate (Detail) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	$ 19,203,126	$ 23,923,719	$ 25,160,343
Fixed Rate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	61,750
0.00% or no floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	8,369,018
0.01% to 1.00% floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	4,301,185
1.01% to 2.00% floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	2,475,899
2.01% to 3.00% floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	2,557,545
3.01% or more floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	$ 1,437,729
Weighted Average
Accounts, Notes, Loans and Financing Receivable [Line Items]
Weighted-average index rate floor	1.02%
Excluding 0.0% index rate floors, weighted-average index rate floor	1.63%
USD
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	$ 12,622,124
USD | Fixed Rate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	61,750
USD | 0.00% or no floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	3,764,292
USD | 0.01% to 1.00% floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	3,928,566
USD | 1.01% to 2.00% floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	1,570,804
USD | 2.01% to 3.00% floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	2,049,477
USD | 3.01% or more floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	1,247,235
Non-USD
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	6,581,002
Non-USD | Fixed Rate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	0
Non-USD | 0.00% or no floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	4,604,726
Non-USD | 0.01% to 1.00% floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	372,619
Non-USD | 1.01% to 2.00% floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	905,095
Non-USD | 2.01% to 3.00% floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	508,068
Non-USD | 3.01% or more floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	$ 190,494