Loans Receivable, Net - Schedule Of Loan Receivable Portfolio Based On Floor Rate (Detail) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	$ 17,409,208	$ 18,154,768
Fixed Rate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	533,678
0.00% or no floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	4,762,384
0.01% to 1.00% floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	2,600,781
1.01% to 2.00% floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	2,508,489
2.01% to 3.00% floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	6,121,110
3.01% or more floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	$ 882,766
Weighted Average
Accounts, Notes, Loans and Financing Receivable [Line Items]
Weighted-average index rate floor	1.53%
Excluding 0.0% index rate floors, weighted-average index rate floor	2.11%
USD
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	$ 9,993,436
USD \| Fixed Rate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	398,405
USD \| 0.00% or no floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	1,060,787
USD \| 0.01% to 1.00% floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	1,314,333
USD \| 1.01% to 2.00% floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	856,529
USD \| 2.01% to 3.00% floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	5,754,709
USD \| 3.01% or more floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	608,673
Non-USD
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	7,415,772
Non-USD \| Fixed Rate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	135,273
Non-USD \| 0.00% or no floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	3,701,597
Non-USD \| 0.01% to 1.00% floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	1,286,448
Non-USD \| 1.01% to 2.00% floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	1,651,960
Non-USD \| 2.01% to 3.00% floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	366,401
Non-USD \| 3.01% or more floor
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans receivable	$ 274,093