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Fair Value of Financial Instruments (Qualitative Information for Assets and Liabilities) (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2018
USD ($)
Fair Value        
Investment securities available-for-sale $ 510,713 $ 446,438    
Servicing assets 48,973 47,295 $ 50,779 $ 10,716
Other repossessed assets $ 1,945 $ 1,816    
Minimum        
Unobservable Input        
Constant prepayment rate 3.90% 5.02% 4.50%  
Maximum        
Unobservable Input        
Constant prepayment rate 24.48% 35.22% 18.81%  
Level 3 | Cash flow valuation | Other debt securities available for sale        
Fair Value        
Investment securities available-for-sale $ 1,530      
Level 3 | Cash flow valuation | Other debt securities available for sale | Recovery Rate        
Unobservable Input        
Other debt securities, measurement input 0.3308      
Level 3 | Cash flow valuation | Servicing Assets        
Fair Value        
Servicing assets $ 48,973      
Level 3 | Cash flow valuation | Minimum | Other debt securities available for sale        
Unobservable Input        
Credit rating Baa1      
Level 3 | Cash flow valuation | Minimum | Other debt securities available for sale | Probability of Default Rate        
Unobservable Input        
Other debt securities, measurement input 0.0016      
Level 3 | Cash flow valuation | Minimum | Servicing Assets        
Unobservable Input        
Constant prepayment rate 3.90%      
Discount rate 10.00%      
Level 3 | Cash flow valuation | Maximum | Other debt securities available for sale        
Unobservable Input        
Credit rating Baa3      
Level 3 | Cash flow valuation | Maximum | Other debt securities available for sale | Probability of Default Rate        
Unobservable Input        
Other debt securities, measurement input 0.0228      
Level 3 | Cash flow valuation | Maximum | Servicing Assets        
Unobservable Input        
Constant prepayment rate 24.48%      
Discount rate 15.50%      
Level 3 | Cash flow valuation | Weighted Average | Other debt securities available for sale        
Unobservable Input        
Credit rating Baa2      
Level 3 | Cash flow valuation | Weighted Average | Other debt securities available for sale | Probability of Default Rate        
Unobservable Input        
Other debt securities, measurement input 0.0035      
Level 3 | Cash flow valuation | Weighted Average | Other debt securities available for sale | Recovery Rate        
Unobservable Input        
Other debt securities, measurement input 0.3308      
Level 3 | Cash flow valuation | Weighted Average | Servicing Assets        
Unobservable Input        
Constant prepayment rate 6.17%      
Discount rate 11.47%      
Level 3 | Fair value of property or collateral | Collateralized loan obligations        
Fair Value        
Collateral dependent loans $ 10,233      
Level 3 | Fair value of property or collateral | Foreclosed real estate        
Fair Value        
Foreclosed real estate 15,039      
Level 3 | Fair value of property or collateral | Other repossessed assets        
Fair Value        
Other repossessed assets $ 1,945      
Level 3 | Fair value of property or collateral | Minimum | Collateralized loan obligations        
Unobservable Input        
Appraised value less disposition costs 10.20%      
Level 3 | Fair value of property or collateral | Minimum | Foreclosed real estate        
Unobservable Input        
Appraised value less disposition costs 10.20%      
Level 3 | Fair value of property or collateral | Minimum | Other repossessed assets        
Unobservable Input        
Estimated net realizable value less disposition costs 39.00%      
Level 3 | Fair value of property or collateral | Maximum | Collateralized loan obligations        
Unobservable Input        
Appraised value less disposition costs 30.20%      
Level 3 | Fair value of property or collateral | Maximum | Foreclosed real estate        
Unobservable Input        
Appraised value less disposition costs 30.20%      
Level 3 | Fair value of property or collateral | Maximum | Other repossessed assets        
Unobservable Input        
Estimated net realizable value less disposition costs 80.00%      
Level 3 | Fair value of property or collateral | Weighted Average | Collateralized loan obligations        
Unobservable Input        
Appraised value less disposition costs 20.20%      
Level 3 | Fair value of property or collateral | Weighted Average | Foreclosed real estate        
Unobservable Input        
Appraised value less disposition costs 12.54%      
Level 3 | Fair value of property or collateral | Weighted Average | Other repossessed assets        
Unobservable Input        
Estimated net realizable value less disposition costs 60.54%