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Loans and Leases and Allowance for Loan and Lease Losses - Impaired Loan Portfolio (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021 | Dec. 31, 2021
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Impaired loans with a valuation allowance, Related Allowance | $ 562 |  | $ 562 |  | $ 740
Total impaired loans, Recorded Investment | 4,195 |  | 4,195 |  | 4,861
Total impaired loans, Unpaid Principal Balance | 4,233 |  | 4,233 |  | 5,203
Total impaired loans, Average Recorded Investment | 4,309 | $ 6,118 | 4,614 | $ 6,346 |
Total impaired loans, Interest Income Recognized | 95 | 73 | 178 | 256 |
All Other Loans and leases [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Impaired loans without a valuation allowance, Recorded Investment | 1,942 |  | 1,942 |  | 1,805
Impaired loans without a valuation allowance, Unpaid Principal Balance | 1,943 |  | 1,943 |  | 1,806
Impaired loans with a valuation allowance, Recorded Investment | 858 |  | 858 |  | 1,215
Impaired loans with a valuation allowance, Unpaid Principal Balance | 858 |  | 858 |  | 1,217
Impaired loans with a valuation allowance, Related Allowance | 395 |  | 395 |  | 561
Impaired loans without a valuation allowance, Average Recorded Investment | 2,046 | 2,171 | 1,991 | 2,778 |
Impaired loans without a valuation allowance, Interest Income Recognized | 72 | 19 | 92 | 40 |
Impaired loans with a valuation allowance, Average Recorded Investment | 858 | 1,273 | 977 | 1,711 |
Impaired loans with a valuation allowance, Interest Income Recognized |  | 5 |  | 122 |
All Other Loans and leases [Member] | Commercial Real Estate [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Impaired loans without a valuation allowance, Recorded Investment | 305 |  | 305 |  |
Impaired loans without a valuation allowance, Unpaid Principal Balance | 305 |  | 305 |  |
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 | 304 |  | 152 | 1,000 |
Impaired loans without a valuation allowance, Interest Income Recognized |  |  |  | 1 |
Impaired loans with a valuation allowance, Average Recorded Investment |  | 858 | 429 | 1,218 |
Impaired loans with a valuation allowance, Interest Income Recognized |  |  |  | 104 |
All Other Loans and leases [Member] | Consumer Real Estate [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Impaired loans without a valuation allowance, Recorded Investment | 1,637 |  | 1,637 |  | 1,805
Impaired loans without a valuation allowance, Unpaid Principal Balance | 1,638 |  | 1,638 |  | 1,806
Impaired loans with a valuation allowance, Recorded Investment |  |  |  |  | 260
Impaired loans with a valuation allowance, Unpaid Principal Balance |  |  |  |  | 262
Impaired loans with a valuation allowance, Related Allowance |  |  |  |  | 69
Impaired loans without a valuation allowance, Average Recorded Investment | 1,742 | 2,171 | 1,839 | 1,778 |
Impaired loans without a valuation allowance, Interest Income Recognized | 72 | 19 | 92 | 39 |
Impaired loans with a valuation allowance, Average Recorded Investment |  | 261 | 87 | 352 |
Impaired loans with a valuation allowance, Interest Income Recognized |  | 3 |  | 11 |
All Other Loans and leases [Member] | Construction and Land Development [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Impaired loans with a valuation allowance, Recorded Investment | 858 |  | 858 |  |
Impaired loans with a valuation allowance, Unpaid Principal Balance | 858 |  | 858 |  |
Impaired loans with a valuation allowance, Related Allowance | 395 |  | 395 |  |
Impaired loans with a valuation allowance, Average Recorded Investment | 858 |  | 429 |  |
All Other Loans and leases [Member] | Commercial and Industrial [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Impaired loans with a valuation allowance, Recorded Investment |  |  |  |  | 97
Impaired loans with a valuation allowance, Unpaid Principal Balance |  |  |  |  | 96
Impaired loans with a valuation allowance, Related Allowance |  |  |  |  | 96
Impaired loans with a valuation allowance, Average Recorded Investment |  | 154 | 32 | 141 |
Impaired loans with a valuation allowance, Interest Income Recognized |  | 2 |  | 7 |
Purchased Credit Impaired Loans [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Impaired loans without a valuation allowance, Recorded Investment | 1,395 |  | 1,395 |  | 1,841
Impaired loans with a valuation allowance, Unpaid Principal Balance | 1,432 |  | 1,432 |  | 2,180
Impaired loans with a valuation allowance, Related Allowance | 167 |  | 167 |  | 179
Impaired loans with a valuation allowance, Average Recorded Investment | 1,405 | 2,674 | 1,646 | 1,857 |
Impaired loans with a valuation allowance, Interest Income Recognized | 23 | 49 | 86 | 94 |
Purchased Credit Impaired Loans [Member] | Commercial Real Estate [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Impaired loans without a valuation allowance, Recorded Investment | 522 |  | 522 |  | 707
Impaired loans with a valuation allowance, Unpaid Principal Balance | 597 |  | 597 |  | 926
Impaired loans with a valuation allowance, Related Allowance | 27 |  | 27 |  | 30
Impaired loans with a valuation allowance, Average Recorded Investment | 525 | 1,230 | 765 | 410 |
Impaired loans with a valuation allowance, Interest Income Recognized | 11 | 27 | 46 | 27 |
Purchased Credit Impaired Loans [Member] | Consumer Real Estate [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Impaired loans without a valuation allowance, Recorded Investment | 873 |  | 873 |  | 1,129
Impaired loans with a valuation allowance, Unpaid Principal Balance | 835 |  | 835 |  | 1,251
Impaired loans with a valuation allowance, Related Allowance | 140 |  | 140 |  | 148
Impaired loans with a valuation allowance, Average Recorded Investment | 880 | 1,176 | 879 | 1,169 |
Impaired loans with a valuation allowance, Interest Income Recognized | $ 12 | 21 | 40 | 64 |
Purchased Credit Impaired Loans [Member] | Commercial and Industrial [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Impaired loans with a valuation allowance, Average Recorded Investment |  | 258 |  | 263 |
Impaired loans with a valuation allowance, Interest Income Recognized |  | 1 |  | 3 |
Purchased Credit Impaired Loans [Member] | Consumer and Other [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Impaired loans without a valuation allowance, Recorded Investment |  |  |  |  | 5
Impaired loans with a valuation allowance, Unpaid Principal Balance |  |  |  |  | 3
Impaired loans with a valuation allowance, Related Allowance |  |  |  |  | $ 1
Impaired loans with a valuation allowance, Average Recorded Investment |  | $ 10 | $ 2 | $ 15 |

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