Other Assets and Liabilities - Additional Information (Detail) $ in Thousands |
3 Months Ended | 6 Months Ended | 12 Months Ended | |||||
|---|---|---|---|---|---|---|---|---|
|
Jun. 30, 2024
USD ($)
|
Jun. 30, 2023
USD ($)
|
Jun. 30, 2024
USD ($)
loan
|
Jun. 30, 2024
USD ($)
security_loan
|
Jun. 30, 2024
USD ($)
|
Jun. 30, 2023
USD ($)
|
Dec. 31, 2023
USD ($)
loan
|
Dec. 31, 2023
USD ($)
security_loan
|
|
| Financing Receivable, Allowance for Credit Loss [Line Items] | ||||||||
| Current expected credit loss reserves for unfunded loan commitments | $ 9,946 | $ 16,300 | $ 9,946 | $ 9,946 | $ 9,946 | $ 16,300 | $ 15,371 | $ 15,371 |
| Number of loans | 166 | 166 | 178 | 178 | ||||
| (Increase) decrease in reserve | 2,700 | $ (523) | 5,400 | $ 108 | ||||
| Unfunded Loan Commitments | ||||||||
| Financing Receivable, Allowance for Credit Loss [Line Items] | ||||||||
| Current expected credit loss reserves for unfunded loan commitments | $ 1,826,350 | $ 1,826,350 | $ 1,826,350 | $ 1,826,350 | $ 2,430,664 | $ 2,430,664 | ||
| Number of loans | loan | 89 | |||||||