v3.22.0.1
Portfolio Loans Receivable - Outstanding Loan Commitments (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Off-balance sheet risk, allowance $ 1,700 $ 1,800
Commitments to Extend Credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Commitments to originate residential loans held for sale 360,386 331,576
Letters of credit 5,105 5,102
Commitments to Extend Credit | Commercial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Commitments to originate residential loans held for sale 45,135 50,877
Commitments to Extend Credit | Commercial | Real estate:    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Commitments to originate residential loans held for sale 15,747 15,973
Commitments to Extend Credit | Commercial real estate | Real estate:    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Commitments to originate residential loans held for sale 37,640 32,398
Commitments to Extend Credit | Residential real estate | Real estate:    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Commitments to originate residential loans held for sale 17,225 20,848
Commitments to Extend Credit | Residential real estate | Home equity    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Commitments to originate residential loans held for sale 118,518 118,843
Commitments to Extend Credit | Residential real estate | Loans Held For Sale    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Commitments to originate residential loans held for sale 1,385 11,444
Commitments to Extend Credit | Consumer | Credit card    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Commitments to originate residential loans held for sale 123,874 92,452
Commitments to Extend Credit | Consumer | Personal    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Commitments to originate residential loans held for sale 2,247 185
Secured Balances | Consumer | Credit card    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Commitments to originate residential loans held for sale $ 98,200 $ 89,500