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Loans and Allowance for Credit Losses (Narrative) (Details) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 USD ($) contract item | Mar. 31, 2020 USD ($) contract | Dec. 31, 2020 USD ($)
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Deferred fees | $ 751 |  | $ 622
Discounts On Acquired Loans | $ 677 |  | 754
Financing receivable, modifications, post-modification recorded investment |  | $ 1,506 |
Financing receivable, modifications, number of contracts | contract | 0 | 1 |
Financing receivable, modifications. subsequently defaulted within 12 months | contract | 0 | 0 |
Financing receivable, recorded investment, doubtful | $ 0 |  | 0
Financing receivable, recorded investment, nonaccrual status | 4,880 |  | 5,455
Mortgage loans in process of foreclosure, amount | 205 |  | 0
Loans and leases receivable, net amount, total | 1,447,209 |  | 1,440,368
Loans | 1,461,522 |  | 1,454,256
Deferrals Of Principal And Or Interest On Outstanding Loan Balances | 221,100 |  |
Deferred Loan Balances | 16,100 |  |
Other real estate owned, net | $ 205 |  |
Allowance from loan losses, as a percentage of total loans | 1.10% |  |
Small Business Administration (SBA), CARES Act, Paycheck Protection Program [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Financing Receivable, Amount of Loans Authorized | $ 129,100 |  |
Residential Portfolio Segment [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Financing receivable, recorded investment, nonaccrual status | 1,222 |  | 1,585
Mortgage loans in process of foreclosure, amount | $ 0 |  | 0
Number of residential real estate property | item | 1 |  |
Loans | $ 449,651 |  | 443,542
Consumer Portfolio Segment [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Financing receivable, recorded investment, nonaccrual status | 28 |  | 28
Loans | 35,822 |  | 31,466
Northwest Bank Branches [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Financing Receivable Net of Allowance | 44,600 |  | 52,300
Pass Performing [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Loans | 1,221,455 |  | 1,211,331
Pass Performing [Member] | Residential Portfolio Segment [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Loans | 409,929 |  | 401,494
Pass Performing [Member] | Consumer Portfolio Segment [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Loans | 35,587 |  | 31,221
Pass Watch [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Loans | 219,240 |  | 219,283
Pass Watch [Member] | Residential Portfolio Segment [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Loans | 34,871 |  | 36,759
Pass Watch [Member] | Consumer Portfolio Segment [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Loans | 205 |  | 215
Special Mention [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Loans | 9,265 |  | 11,388
Special Mention [Member] | Residential Portfolio Segment [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Loans | 2,900 |  | 2,946
Substandard [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Financing receivable, recorded investment, nonaccrual status |  |  | 5,500
Loans | 11,562 |  | 12,254
Substandard [Member] | Residential Portfolio Segment [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Loans | 1,951 |  | 2,343
Substandard [Member] | Consumer Portfolio Segment [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Loans | 30 |  | $ 30
Doubtful [Member] |  |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |  |
Financing receivable, recorded investment, nonaccrual status | $ 4,900 |  |

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