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Loans and Leases and Allowance for Loan and Lease Losses - Narrative (Details) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2021 USD ($) loan property | Jun. 30, 2020 USD ($) | Jun. 30, 2021 USD ($) loan segment property | Jun. 30, 2020 USD ($) loan | Dec. 31, 2020 USD ($) loan
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Loan portfolio segments | segment |  |  | 6 |  |
Number of contracts | loan |  |  | 0 | 1 |
Number of loans modified as troubled debt restructurings with subsequent default | loan |  |  | 0 |  |
Provision (recovery) charged to expense | $ (5) | $ 2,850 | $ 62 | $ 6,049 |
Allowance for loan losses | $ 18,310 |  | $ 18,310 |  | $ 18,346
Percentage of allowance for credit losses to aggregate loans | 0.74% |  | 0.74% |  | 0.77%
Consumer Real Estate [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Number of loans modified as troubled debt restructurings with subsequent default | loan |  |  | 2 |  |
Number of properties in other real estate owned | property | 1 |  | 1 |  |
Provision (recovery) charged to expense | $ 69 | $ 1 | $ (109) | $ 722 |
Mortgage loans in process of foreclosure | 103 |  | 103 |  |
Trouble Debt Restructuring [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Troubled debt restructuring | $ 219 |  | $ 219 |  | $ 257
Number of contracts, nonaccrual | loan | 0 |  | 0 |  | 0
COVID-19 [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Number of contracts | loan |  |  | 0 |  |
Number of loans related to payroll protection program | loan | 2,015 |  | 2,015 |  | 2,863
Payroll Protection Program Loans Outstanding | $ 178,900 |  | $ 178,900 |  | $ 288,900
Financing Receivable Paycheck Protection Program Cares Act For 2020 Loans [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Payroll protection program loans net deferred fees receivable | 131 |  | 131 |  | $ 4,200
Financing Receivable Paycheck Protection Program Cares Act For 2021 Loans [Member] |  |  |  |  |
Financing Receivable, Modifications [Line Items] |  |  |  |  |
Payroll protection program loans net deferred fees receivable | $ 6,500 |  | $ 6,500 |  |

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