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Loans and Leases and Allowance for Loan and Lease Losses (Narrative) (Details) | 12 Months Ended
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Dec. 31, 2021 USD ($) contract loan segment | Dec. 31, 2020 USD ($) property contract loan
Financing Receivable, Modifications [Line Items] |  |
Number of loan portfolio segments | segment | 6 |
Nonaccrual restructured loans | $ 3,124,000 | $ 5,633,000
Number of loans modified as troubled debt restructurings with subsequent default | contract | 0 |
Allowance for loan losses | $ 19,400,000 | 18,300,000
Commitments to extend credit | 669,770,000 | 476,841,000
Loans and leases | 2,693,397,000 | $ 2,382,243,000
Number of properties in other real estate owned | property |  | 1
Provision (recovery) charged to expense | 1,633,000 | $ 8,683,000
Increase (decrease) provision for loan expensed | $ (7,100,000) |
Percentage of allowance for credit losses to aggregate loans | 0.72% | 0.77%
Mortgage loans in process of foreclosure |  | $ 26,000
COVID-19 [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of contracts | contract | 0 |
Financing Receivable Paycheck Protection Program Cares Act [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Number of loans related to payroll protection program | 587 | 2,863
Payroll Protection Program Loans Outstanding | $ 52,200,000 | $ 288,900,000
Financing Receivable Paycheck Protection Program Cares Act For 2020 Loans [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Payroll protection program loans net deferred fees receivable | 0 | 4,200,000
Financing Receivable Paycheck Protection Program Cares Act For 2021 Loans [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Payroll protection program loans net deferred fees receivable | 2,000,000.0 |
Related Party [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Commitments to extend credit | 7,700,000 |
Trouble Debt Restructuring [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructuring | 206,000 | 257,000
Nonaccrual restructured loans | 0 | 0
Purchased Credit Impaired Loans [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Allowance for loan losses | 179,000 | 309,000
Loans and leases | $ 41,347,000 | 32,064,000
Residential Real Estate [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Mortgage loans in process of foreclosure |  | $ 384,000
Mortgage loans in process of foreclosure number of loans | 0 | 5

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