Quarterly report pursuant to Section 13 or 15(d)

Loans - Additional Information (Detail)

v3.24.3
Loans - Additional Information (Detail)
3 Months Ended 9 Months Ended
Sep. 30, 2024
USD ($)
Sep. 30, 2023
USD ($)
Loan
Sep. 30, 2024
USD ($)
Sep. 30, 2023
USD ($)
Jun. 30, 2024
USD ($)
Dec. 31, 2023
USD ($)
Jun. 30, 2023
USD ($)
Dec. 31, 2022
USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]                
Accrued interest on loans $ 21,955,000   $ 21,955,000     $ 23,371,000    
Pledged loans receivable, carrying value 2,440,000,000   2,440,000,000     2,360,000,000    
Loans receivable 6,257,744,000   6,257,744,000     6,182,434,000    
Loans held for sale, at the lower of cost or fair value 54,336,000 $ 11,767,000 54,336,000 $ 11,767,000 $ 10,467,000 12,013,000 $ 7,293,000 $ 8,043,000
Gains on sale of second draw PPP loans     4,669,000 4,253,000        
Proceeds from sale of second draw PPP loans 23,017,000 21,010,000 72,094,000 70,652,000        
Interest income on nonaccrual loans 11,000 $ 26,000 49,000 $ 160,000        
Number of loan modified | Loan   0            
Other real estate owned ("OREO") 772,000   772,000     117,000    
Loans Pledged to Secure Advances                
Accounts, Notes, Loans and Financing Receivable [Line Items]                
Pledged loans receivable, carrying value 2,440,000,000   2,440,000,000     2,360,000,000    
Payment Protection Program                
Accounts, Notes, Loans and Financing Receivable [Line Items]                
Loans receivable 100,000   100,000     200,000    
Prepaid Expenses and Other Assets                
Accounts, Notes, Loans and Financing Receivable [Line Items]                
Other real estate owned ("OREO") 800,000   800,000     100,000    
Loans | Accrued Interest                
Accounts, Notes, Loans and Financing Receivable [Line Items]                
Accrued interest on loans $ 18,700,000   $ 18,700,000     $ 19,800,000