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Loans and Allowance for Loan Losses - Summary of Impaired Loans (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2022 | Dec. 31, 2021
Financing Receivable Impaired [Line Items] |  |
Recorded Investment, With no related allowance recorded | $ 5,445 | $ 5,735
Unpaid Principal Balance, With no related allowance recorded | 5,445 | 5,768
Average Recorded Investment, With no related allowance recorded | 5,524 | 5,848
Interest Income Recognized, With no related allowance recorded | 15 | 82
Recorded Investment, With an allowance recorded | 1,115 | 1,493
Unpaid Principal Balance, With an allowance recorded | 1,115 | 1,495
Allocated Related Allowance, With an allowance recorded | 6 | 7
Average Recorded Investment, With an allowance recorded | 1,141 | 1,531
Interest Income Recognized, With an allowance recorded | 16 | 72
Total impaired loans, Recorded Investment | 6,560 | 7,228
Total impaired loans, Unpaid Principal Balance | 6,560 | 7,263
Total impaired loans, Allocated Related Allowance | 6 | 7
Total impaired loans, Average Recorded Investment | 6,665 | 7,379
Total impaired loans, Interest Income Recognized | 31 | 154
Commercial (Secured by Real Estate - Owner Occupied) |  |
Financing Receivable Impaired [Line Items] |  |
Recorded Investment, With no related allowance recorded | 93 | 95
Unpaid Principal Balance, With no related allowance recorded | 93 | 95
Average Recorded Investment, With no related allowance recorded | 96 | 100
Interest Income Recognized, With no related allowance recorded | 1 | 6
Commercial (Secured by Real Estate - Non-owner Occupied) |  |
Financing Receivable Impaired [Line Items] |  |
Recorded Investment, With no related allowance recorded | 3,188 | 3,199
Unpaid Principal Balance, With no related allowance recorded | 3,188 | 3,199
Average Recorded Investment, With no related allowance recorded | 3,172 | 3,177
Interest Income Recognized, With no related allowance recorded | 11 | 45
Recorded Investment, With an allowance recorded | 186 | 188
Unpaid Principal Balance, With an allowance recorded | 186 | 189
Allocated Related Allowance, With an allowance recorded | 1 | 1
Average Recorded Investment, With an allowance recorded | 190 | 192
Interest Income Recognized, With an allowance recorded | 3 | 12
Commercial and Industrial |  |
Financing Receivable Impaired [Line Items] |  |
Recorded Investment, With no related allowance recorded | 388 | 388
Unpaid Principal Balance, With no related allowance recorded | 388 | 421
Average Recorded Investment, With no related allowance recorded | 418 | 458
Recorded Investment, With an allowance recorded |  | 365
Unpaid Principal Balance, With an allowance recorded |  | 365
Allocated Related Allowance, With an allowance recorded |  | 1
Average Recorded Investment, With an allowance recorded |  | 379
Residential Mortgage |  |
Financing Receivable Impaired [Line Items] |  |
Recorded Investment, With no related allowance recorded | 1,776 | 2,052
Unpaid Principal Balance, With no related allowance recorded | 1,776 | 2,052
Average Recorded Investment, With no related allowance recorded | 1,836 | 2,110
Interest Income Recognized, With no related allowance recorded | 3 | 31
Recorded Investment, With an allowance recorded | 929 | 940
Unpaid Principal Balance, With an allowance recorded | 929 | 941
Allocated Related Allowance, With an allowance recorded | 5 | 5
Average Recorded Investment, With an allowance recorded | 951 | 960
Interest Income Recognized, With an allowance recorded | 13 | 60
Consumer Installment |  |
Financing Receivable Impaired [Line Items] |  |
Recorded Investment, With no related allowance recorded |  | 1
Unpaid Principal Balance, With no related allowance recorded |  | 1
Average Recorded Investment, With no related allowance recorded | $ 2 | $ 3

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