Quarterly report [Sections 13 or 15(d)]

Loans - Additional Information (Detail)

v3.25.2
Loans - Additional Information (Detail)
3 Months Ended 6 Months Ended
Jun. 30, 2025
USD ($)
Loan
Jun. 30, 2024
USD ($)
Jun. 30, 2025
USD ($)
Loan
Jun. 30, 2024
USD ($)
Mar. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Mar. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]                
Accrued interest on loans $ 23,749,000   $ 23,749,000     $ 22,937,000    
Pledged loans receivable, carrying value 2,400,000,000   2,400,000,000     2,460,000,000    
Loans receivable 6,305,957,000   6,305,957,000     6,251,377,000    
Loans held for sale, at the lower of cost or fair value 49,611,000 $ 10,467,000 49,611,000 $ 10,467,000 $ 11,831,000 8,579,000 $ 3,999,000 $ 12,013,000
Gains on sale of second draw PPP loans     4,161,000 3,126,000        
Proceeds from sale of second draw PPP loans 35,388,000 23,490,000 67,553,000 49,076,000        
Financing receivable interest income $ 15,000   361,000          
Number of loan modified | Loan 0              
Credit loss expense $ 7,631,000 $ 961,000 $ 10,352,000 1,188,000        
Other real estate owned ("OREO")           117,000    
Retail Commercial Loans                
Accounts, Notes, Loans and Financing Receivable [Line Items]                
Number of loan modified | Loan     2          
Amortized cost of loans modified     $ 13,500,000          
Payment defaults on loans modified within the preceding 12 months     0 $ 0        
Loans Pledged to Secure Advances                
Accounts, Notes, Loans and Financing Receivable [Line Items]                
Pledged loans receivable, carrying value 2,400,000,000   2,400,000,000     2,460,000,000    
ACL Loans                
Accounts, Notes, Loans and Financing Receivable [Line Items]                
Credit loss expense     1,400,000          
Prepaid Expenses and Other Assets                
Accounts, Notes, Loans and Financing Receivable [Line Items]                
Other real estate owned ("OREO") 0   0     100,000    
Loans | Accrued Interest                
Accounts, Notes, Loans and Financing Receivable [Line Items]                
Accrued interest on loans $ 19,800,000   $ 19,800,000     $ 19,100,000