Quarterly report pursuant to Section 13 or 15(d)

Loans - Additional Information (Detail)

v3.22.1
Loans - Additional Information (Detail)
 3 Months Ended
Mar. 31, 2022
USD ($)
Loan
Mar. 31, 2021
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Accrued interest on loans $ 12,289,000   $ 11,976,000  
PPP loans 5,337,500,000   5,151,541,000  
Loans pledged to secure advances 2,320,000,000   2,300,000,000  
Loans held for sale, at the lower of cost or fair value 15,617,000 $ 32,674,000 13,342,000 $ 8,568,000
Gains on sale of second draw PPP loans 2,521,000 4,125,000    
Proceeds from sale of second draw PPP loans 29,577,000 122,564,000    
Interest income on nonaccrual loans 27,000 $ 177,000    
TDR loans receivable $ 2,700,000   2,900,000  
Loans default payment past due period 30 days      
Total recorded investment     0  
Number of loans defaulted | Loan 0      
Payment Protection Program        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
PPP loans $ 1,500,000   3,000,000.0  
SBA Loans        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Loans held for sale, at the lower of cost or fair value 15,600,000   13,300,000  
PPP Loans        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Gains on sale of second draw PPP loans 2,500,000      
Proceeds from sale of second draw PPP loans 108,500,000      
Loans | Accrued Interest        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Accrued interest on loans 10,500,000   10,100,000  
Unpaid deferred interest receivable related to loans modified under CARES Act 2,700,000   3,400,000  
Unpaid deferred interest receivable related to loans modified under CARES Act, net of valuation allowance $ 0   $ 1,700,000