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Loans and Leases and Allowance for Loan and Lease Losses - Impaired Loan Portfolio (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Financing Receivable, Impaired [Line Items] |  |
Impaired loans with a valuation allowance, Related Allowance | $ 740 | $ 546
Total impaired loans, Recorded Investment | 4,861 | 7,451
Total impaired loans, Unpaid Principal Balance | 5,203 | 7,674
Total impaired loans, Average Recorded Investment | 6,032 | 5,118
Total impaired loans, Interest Income Recognized | 333 | 204
All Other Loans and leases [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired loans without a valuation allowance, Recorded Investment | 1,805 | 4,759
Impaired loans without a valuation allowance, Unpaid Principal Balance | 1,806 | 4,760
Impaired loans with a valuation allowance, Recorded Investment | 1,215 | 574
Impaired loans with a valuation allowance, Unpaid Principal Balance | 1,217 | 574
Impaired loans with a valuation allowance, Related Allowance | 561 | 237
Impaired loans without a valuation allowance, Average Recorded Investment | 2,583 | 2,005
Impaired loans without a valuation allowance, Interest Income Recognized | 79 | 45
Impaired loans with a valuation allowance, Average Recorded Investment | 1,611 | 1,058
Impaired loans with a valuation allowance, Interest Income Recognized | 126 | 34
All Other Loans and leases [Member] | Commercial Real Estate [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired loans without a valuation allowance, Recorded Investment |  | 3,871
Impaired loans without a valuation allowance, Unpaid Principal Balance |  | 3,872
Impaired loans with a valuation allowance, Recorded Investment | 858 |
Impaired loans with a valuation allowance, Unpaid Principal Balance | 859 |
Impaired loans with a valuation allowance, Related Allowance | 396 |
Impaired loans without a valuation allowance, Average Recorded Investment | 800 | 1,073
Impaired loans without a valuation allowance, Interest Income Recognized | 1 | 12
Impaired loans with a valuation allowance, Average Recorded Investment | 1,145 | 158
Impaired loans with a valuation allowance, Interest Income Recognized | 104 | 2
All Other Loans and leases [Member] | Consumer Real Estate [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired loans without a valuation allowance, Recorded Investment | 1,805 | 888
Impaired loans without a valuation allowance, Unpaid Principal Balance | 1,806 | 888
Impaired loans with a valuation allowance, Recorded Investment | 260 | 428
Impaired loans with a valuation allowance, Unpaid Principal Balance | 262 | 428
Impaired loans with a valuation allowance, Related Allowance | 69 | 116
Impaired loans without a valuation allowance, Average Recorded Investment | 1,783 | 701
Impaired loans without a valuation allowance, Interest Income Recognized | 78 | 33
Impaired loans with a valuation allowance, Average Recorded Investment | 334 | 656
Impaired loans with a valuation allowance, Interest Income Recognized | 14 | 24
All Other Loans and leases [Member] | Construction and Land Development [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired loans without a valuation allowance, Average Recorded Investment |  | 231
All Other Loans and leases [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired loans with a valuation allowance, Recorded Investment | 97 | 146
Impaired loans with a valuation allowance, Unpaid Principal Balance | 96 | 146
Impaired loans with a valuation allowance, Related Allowance | 96 | 121
Impaired loans with a valuation allowance, Average Recorded Investment | 132 | 244
Impaired loans with a valuation allowance, Interest Income Recognized | 8 | 8
Purchased Credit Impaired Loans [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired loans with a valuation allowance, Recorded Investment | 1,841 | 2,118
Impaired loans with a valuation allowance, Unpaid Principal Balance | 2,180 | 2,340
Impaired loans with a valuation allowance, Related Allowance | 179 | 309
Impaired loans with a valuation allowance, Average Recorded Investment | 1,838 | 2,055
Impaired loans with a valuation allowance, Interest Income Recognized | 128 | 125
Purchased Credit Impaired Loans [Member] | Commercial Real Estate [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired loans with a valuation allowance, Recorded Investment | 707 |
Impaired loans with a valuation allowance, Unpaid Principal Balance | 926 |
Impaired loans with a valuation allowance, Related Allowance | 30 |
Impaired loans with a valuation allowance, Average Recorded Investment | 488 | 200
Impaired loans with a valuation allowance, Interest Income Recognized | 42 | 1
Purchased Credit Impaired Loans [Member] | Consumer Real Estate [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired loans with a valuation allowance, Recorded Investment | 1,129 | 1,827
Impaired loans with a valuation allowance, Unpaid Principal Balance | 1,251 | 2,086
Impaired loans with a valuation allowance, Related Allowance | 148 | 88
Impaired loans with a valuation allowance, Average Recorded Investment | 1,140 | 1,461
Impaired loans with a valuation allowance, Interest Income Recognized | 83 | 117
Purchased Credit Impaired Loans [Member] | Construction and Land Development [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired loans with a valuation allowance, Average Recorded Investment |  | 46
Purchased Credit Impaired Loans [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired loans with a valuation allowance, Recorded Investment |  | 270
Impaired loans with a valuation allowance, Unpaid Principal Balance |  | 234
Impaired loans with a valuation allowance, Related Allowance |  | 218
Impaired loans with a valuation allowance, Average Recorded Investment | 197 | 321
Impaired loans with a valuation allowance, Interest Income Recognized | 3 | 7
Purchased Credit Impaired Loans [Member] | Consumer and Other [Member] |  |
Financing Receivable, Impaired [Line Items] |  |
Impaired loans with a valuation allowance, Recorded Investment | 5 | 21
Impaired loans with a valuation allowance, Unpaid Principal Balance | 3 | 20
Impaired loans with a valuation allowance, Related Allowance | 1 | 3
Impaired loans with a valuation allowance, Average Recorded Investment | $ 13 | $ 27

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