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Deposits (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Deposit [Line Items]    
Deposits $ 1,957,923 $ 1,855,516
Deposits, average balance $ 1,904,133 $ 1,711,092
Deposits, average rate 0.19% 0.52%
Non-interest-bearing transaction accounts    
Deposit [Line Items]    
Deposits $ 589,559 $ 472,818
Deposits, average balance $ 536,981 $ 412,825
Deposits, average rate 0.00% 0.00%
Interest-bearing transaction accounts    
Deposit [Line Items]    
Deposits $ 530,225 $ 503,992
Deposits, average balance $ 506,693 $ 392,576
Deposits, average rate 0.19% 0.37%
Money market accounts    
Deposit [Line Items]    
Deposits $ 754,410 $ 641,504
Deposits, average balance $ 693,608 $ 651,402
Deposits, average rate 0.17% 0.44%
Certificates of deposit    
Deposit [Line Items]    
Deposits $ 54,091 $ 64,694
Deposits, average balance $ 47,020 $ 111,698
Deposits, average rate 0.84% 1.97%
Wholesale deposits    
Deposit [Line Items]    
Deposits $ 29,638 $ 172,508
Deposits, average balance $ 119,831 $ 142,591
Deposits, average rate 0.82% 1.71%
Wholesale Certificates of Deposit    
Deposit [Line Items]    
Deposits $ 19,600 $ 47,500
Non-Reciprocal Interest-Bearing Transaction Accounts    
Deposit [Line Items]    
Deposits $ 10,000 $ 125,000