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Loan and Lease Receivables, Impaired Loans and Leases and Allowance for Loan and Lease Losses (Narrative Disclosures) (Details) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2022 USD ($) loans | Sep. 30, 2021 USD ($) loans | Sep. 30, 2022 USD ($) loans | Sep. 30, 2021 USD ($) loans | Dec. 31, 2021 USD ($) loans
Financing Receivable, Recorded Investment |  |  |  |  |
Paycheck Protection Loans and Leases Receivable, Deferred Income | $ 52,000 |  | $ 52,000 |  | $ 557,000
SBA loans, considered impaired | 1,200,000 |  | 1,200,000 |  | 1,700,000
Guaranteed portion of SBA loans sold to third parties | 9,200,000 | $ 5,300,000 | 26,600,000 | $ 25,000,000 |
Total amount of outstanding SBA loans sold | 96,100,000 |  | 96,100,000 |  | 93,000,000
Loans and leases transferred to third parties total principal amount | 25,400,000 | $ 18,900,000 | 70,600,000 | $ 35,800,000 |
Gain (Loss) Recognized on Participation Interest in Originated Loans |  |  | 0 |  |
Total amount of outstanding loans transferred to third parties as loan participations | 210,700,000 |  | 210,700,000 |  | 195,200,000
Total amount of loan participations remaining on the Corporations balance sheet | 327,300,000 |  | 327,300,000 |  | 314,500,000
Loans in the participation sold portfolio, considered impaired, gross amount | 0 |  | 0 |  | 0
Loan participations purchased on the Corporation's balance sheet | 0 |  | 0 |  | 0
Non-accrual troubled debt restructurings | 499,000 |  | 499,000 |  | 627,000
Specific Reserves on Troubled Debt Restructurings | 143,000 |  | 143,000 |  | $ 134,000
Unfunded commitments, troubled debt restructurings | $ 0 |  | $ 0 |  |
Number of Loans | loans | 0 |  | 0 |  |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts | loans | 0 | 1 | 0 | 1 |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default |  | $ 281,000 |  | $ 281,000 |
Number of Short-Term Loan Modifications | loans | 0 |  | 0 |  | 3
Gross Loans and Leases Outstanding, Short-Term Modification |  |  |  |  | $ 293,000
Loans and leases receivable, difference between recorded investment and unpaid principal balance | $ 107,000 |  | $ 107,000 |  | 145,000
Performing troubled debt restructurings | 172,000 |  | 172,000 |  | 217,000
SBA PPP loans | $ 2,376,000 |  | $ 2,376,000 |  | $ 27,854,000
Commercial and industrial |  |  |  |  |
Financing Receivable, Recorded Investment |  |  |  |  |
Number of Loans | loans |  | 1 |  | 2 |

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