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Loans and Allowance for Loan Losses - Summary of Troubled Debt Restructurings (Details) - Residential Mortgage
$ in Thousands
12 Months Ended
Dec. 31, 2021
USD ($)
Contract
Dec. 31, 2020
USD ($)
Contract
Financing Receivable Modifications [Line Items]    
Number of Contracts | Contract 1 1
Pre-Modification Outstanding Recorded Investment $ 71 $ 31
Post-Modification Outstanding Recorded Investment $ 71 $ 31