Other Assets and Liabilities - Additional Information (Detail) $ in Thousands |
3 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|
|
Mar. 31, 2025
security_loan
|
Dec. 31, 2025
USD ($)
loan
|
Dec. 31, 2025
USD ($)
security_loan
|
Dec. 31, 2025
USD ($)
|
Dec. 31, 2024
USD ($)
loan
|
|
| Financing Receivable, Allowance for Credit Loss [Line Items] | |||||
| Current expected credit loss reserves for unfunded loan commitments | $ 11,617 | $ 11,617 | $ 11,617 | $ 10,412 | |
| Number of loans | 130 | 131 | 131 | 130 | |
| Increase (decrease) in reserve | 1,200 | $ (5,000) | |||
| Unfunded Loan Commitments | |||||
| Financing Receivable, Allowance for Credit Loss [Line Items] | |||||
| Current expected credit loss reserves for unfunded loan commitments | $ 1,185,004 | $ 1,185,004 | $ 1,185,004 | $ 1,263,068 | |
| Number of loans | loan | 53 | ||||