XML 73 R67.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Commitments and Contingencies - Additional Information (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2023
Other Commitments [Line Items]      
Outstanding loan commitments $ 408,500   $ 480,800
Cancellable amounts 110,400   113,500
Outstanding stand-by letters of credit 11,600   12,600
Credit losses for unfunded commitments 1,000 $ 400  
Future commitments outstanding related to investments 13,400    
Other Liabilities [Member]      
Other Commitments [Line Items]      
Reserves for unfunded commitments to borrowers $ 2,100   $ 3,100