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Loans and Leases and Allowance for Loan and Lease Losses - ALL by Loan Classification (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Mar. 31, 2021 | Dec. 31, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2019
--- | --- | --- | --- | --- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Allowance for loan and lease losses | $ 18,310 | $ 18,370 | $ 18,346 | $ 16,254 | $ 13,431 | $ 10,243
All Other Loans and leases [Member] |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Allowance for loan and lease losses | 17,939 |  | 18,037 |  |  |
Purchased Credit Impaired Loans [Member] |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Allowance for loan and lease losses | 371 |  | 309 |  |  |
Performing [Member] | All Other Loans and leases [Member] |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Allowance for loan and lease losses | 17,243 |  | 17,800 |  |  |
Impaired Loans [Member] | All Other Loans and leases [Member] |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Allowance for loan and lease losses | 696 |  | 237 |  |  |
Commercial Real Estate [Member] |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Allowance for loan and lease losses | 8,382 | 7,636 | 7,579 | 6,595 | 5,963 | 4,508
Commercial Real Estate [Member] | All Other Loans and leases [Member] |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Allowance for loan and lease losses | 8,382 |  | 7,579 |  |  |
Commercial Real Estate [Member] | Performing [Member] | All Other Loans and leases [Member] |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Allowance for loan and lease losses | 7,965 |  | 7,579 |  |  |
Commercial Real Estate [Member] | Impaired Loans [Member] | All Other Loans and leases [Member] |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Allowance for loan and lease losses | 417 |  |  |  |  |
Consumer Real Estate [Member] |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Allowance for loan and lease losses | 3,323 | 3,309 | 3,471 | 3,313 | 3,301 | 2,576
Consumer Real Estate [Member] | All Other Loans and leases [Member] |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Allowance for loan and lease losses | 3,167 |  | 3,383 |  |  |
Consumer Real Estate [Member] | Purchased Credit Impaired Loans [Member] |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Allowance for loan and lease losses | 156 |  | 88 |  |  |
Consumer Real Estate [Member] | Performing [Member] | All Other Loans and leases [Member] |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Allowance for loan and lease losses | 3,096 |  | 3,267 |  |  |
Consumer Real Estate [Member] | Impaired Loans [Member] | All Other Loans and leases [Member] |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Allowance for loan and lease losses | 71 |  | 116 |  |  |
Construction and Land Development [Member] |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Allowance for loan and lease losses | 2,061 | 1,968 | 2,076 | 1,795 | 1,484 | 1,127
Construction and Land Development [Member] | All Other Loans and leases [Member] |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Allowance for loan and lease losses | 2,061 |  | 2,076 |  |  |
Construction and Land Development [Member] | Performing [Member] | All Other Loans and leases [Member] |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Allowance for loan and lease losses | 2,061 |  | 2,076 |  |  |
Commercial and Industrial [Member] |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Allowance for loan and lease losses | 4,442 | 5,347 | 5,107 | 4,443 | 2,557 | 1,957
Commercial and Industrial [Member] | All Other Loans and leases [Member] |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Allowance for loan and lease losses | 4,229 |  | 4,889 |  |  |
Commercial and Industrial [Member] | Purchased Credit Impaired Loans [Member] |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Allowance for loan and lease losses | 213 |  | 218 |  |  |
Commercial and Industrial [Member] | Performing [Member] | All Other Loans and leases [Member] |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Allowance for loan and lease losses | 4,021 |  | 4,768 |  |  |
Commercial and Industrial [Member] | Impaired Loans [Member] | All Other Loans and leases [Member] |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Allowance for loan and lease losses | 208 |  | 121 |  |  |
Consumer and Other [Member] |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Allowance for loan and lease losses | 102 | $ 110 | 113 | $ 108 | $ 126 | $ 75
Consumer and Other [Member] | All Other Loans and leases [Member] |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Allowance for loan and lease losses | 100 |  | 110 |  |  |
Consumer and Other [Member] | Purchased Credit Impaired Loans [Member] |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Allowance for loan and lease losses | 2 |  | 3 |  |  |
Consumer and Other [Member] | Performing [Member] | All Other Loans and leases [Member] |  |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |  |
Allowance for loan and lease losses | $ 100 |  | $ 110 |  |  |

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