Loans Receivable, Net - Schedule Of Loan Receivable Portfolio Based On Floor Rate (Detail) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	$ 19,874,340	$ 19,203,126
Fixed Rate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	319,887
0.00% or no floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	7,698,879
0.01% to 1.00% floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	4,778,245
1.01% to 2.00% floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	2,024,403
2.01% to 3.00% floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	3,576,976
3.01% or more floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	$ 1,475,950
Weighted Average
Accounts, Notes, Loans and Financing Receivable [Line Items]
Weighted-average index rate floor	1.11%
Excluding 0.0% index rate floors, weighted-average index rate floor	1.70%
USD
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	$ 11,403,540
USD | Fixed Rate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	179,821
USD | 0.00% or no floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	2,286,822
USD | 0.01% to 1.00% floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	3,787,560
USD | 1.01% to 2.00% floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	640,370
USD | 2.01% to 3.00% floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	3,209,355
USD | 3.01% or more floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	1,299,612
Non-USD
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	8,470,800
Non-USD | Fixed Rate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	140,066
Non-USD | 0.00% or no floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	5,412,057
Non-USD | 0.01% to 1.00% floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	990,685
Non-USD | 1.01% to 2.00% floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	1,384,033
Non-USD | 2.01% to 3.00% floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	367,621
Non-USD | 3.01% or more floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	$ 176,338