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Loans and Allowance for Credit Losses - Troubled Debt Restructurings (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2022
USD ($)
contract
Loans
Mar. 31, 2021
contract
Dec. 31, 2021
USD ($)
Financing Receivable, Modifications [Line Items]      
Outstanding Recorded Investment $ 3,467   $ 7,640
Reserves specific to modified loans $ 543   538
Defaults on troubled debt restructurings | contract 0 0  
Commercial Real Estate | Commercial and industrial      
Financing Receivable, Modifications [Line Items]      
Outstanding Recorded Investment     $ 325
Number of loans | Loans 1    
Pre-Modification Outstanding Recorded Investment $ 333    
Principal Modification 0    
Post Modification Outstanding Recorded Investment $ 333