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Loans Schedule of loans individually evaluated for impairment by class of loan (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Financing Receivable, Impaired [Line Items] |  |  |
Impaired Financing Receivable, Related Allowance | $ 5,434,000 | $ 5,230,000 |
Recorded investment, related to loans | 13,900,000 | 12,700,000 |
Impaired Financing Receivable, Unpaid Principal Balance | 109,062,000 | 78,178,000 |
Impaired Financing Receivable, Recorded Investment | 108,455,000 | 77,491,000 | $ 48,144,000
Partial charge-offs on impaired loans | 655,000 | 719,000 |
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment | 5,434,000 | 5,230,000 |
Financing Receivable With No Related Allowance Recorded [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Partial charge-offs on impaired loans | 600,000 | 500,000 |
Financing Receivable With Related Allowance Recorded [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Partial charge-offs on impaired loans | 16,000 | 210,000 |
Commercial Financial And Agricultural [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance | 23,316,000 | 21,194,000 |
Impaired Financing Receivable, with No Related Allowance, Recorded Investment | 22,970,000 | 21,010,000 |
Impaired Financing Receivable, Related Allowance | 3,758,000 | 5,104,000 |
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance | 5,881,000 | 12,289,000 |
Recorded investment, related to loans | 5,866,000 | 12,078,000 |
Impaired Financing Receivable, Recorded Investment | 28,836,000 | 33,088,000 | 15,120,000
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment | 3,758,000 | 5,104,000 |
Commercial Real Estate Portfolio Segment [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance | 63,639,000 | 41,696,000 |
Impaired Financing Receivable, with No Related Allowance, Recorded Investment | 63,467,000 | 41,471,000 |
Impaired Financing Receivable, Related Allowance | 1,316,000 | 35,000 |
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance | 6,890,000 | 320,000 |
Recorded investment, related to loans | 6,890,000 | 320,000 |
Impaired Financing Receivable, Recorded Investment | 70,357,000 | 41,791,000 | 28,426,000
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment | 1,316,000 | 35,000 |
Construction Real Estate Remaining Commercial [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance | 3,110,000 | 453,000 |
Impaired Financing Receivable, with No Related Allowance, Recorded Investment | 3,110,000 | 453,000 |
Impaired Financing Receivable, Recorded Investment | 3,110,000 | 453,000 | 1,866,000
Residential Real Estate Commercial [Member] |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance | 4,522,000 | 1,921,000 |
Impaired Financing Receivable, with No Related Allowance, Recorded Investment | 4,448,000 | 1,854,000 |
Impaired Financing Receivable, Related Allowance | 16,000 | 42,000 |
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance | 109,000 | 171,000 |
Recorded investment, related to loans | 109,000 | 171,000 |
Impaired Financing Receivable, Recorded Investment | 4,557,000 | 2,025,000 | $ 2,732,000
Leases |  |  |
Financing Receivable, Impaired [Line Items] |  |  |
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance | 568,000 |  |
Impaired Financing Receivable, with No Related Allowance, Recorded Investment | 568,000 |  |
Impaired Financing Receivable, Related Allowance | 344,000 | 49,000 |
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance | 1,027,000 | 134,000 |
Recorded investment, related to loans | 1,027,000 | 134,000 |
Impaired Financing Receivable, Recorded Investment | 1,595,000 | 134,000 |
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment | $ 344,000 | $ 49,000 |

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- Definition Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524 + Details
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