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Loans Allowance for Loan Losses and Credit Quality (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Loans Allowance for Loan Losses and Credit Quality [Line Items] |  |
Impaired Financing Receivable, with No Related Allowance, Recorded Investment |  | $ 39,242
Impaired Financing Receivable, with Related Allowance, Recorded Investment |  | 10,386
Impaired Financing Receivable, Recorded Investment |  | 49,628
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance |  | 56,605
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance |  | 11,535
Impaired Financing Receivable, Unpaid Principal Balance |  | 68,140
Impaired Financing Receivable, Related Allowance |  | 980
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment |  | 980
Average Recorded Investment |  | 49,077
Average Recorded Investment |  | 10,605
Impaired Financing Receivable, Average Recorded Investment |  | 59,682
Interest Income Recognized | $ 1,090 |
Interest Income Recognized |  | 447
Interest Income Recognized |  | 1,537
With Allowance Recorded [Member] | Commercial And Industrial [Member] |  |
Loans Allowance for Loan Losses and Credit Quality [Line Items] |  |
Impaired Financing Receivable, with Related Allowance, Recorded Investment |  | 670
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance |  | 670
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment |  | 126
Average Recorded Investment |  | 718
Interest Income Recognized |  | 29
With Allowance Recorded [Member] | Commercial Real Estate [Member] |  |
Loans Allowance for Loan Losses and Credit Quality [Line Items] |  |
Impaired Financing Receivable, with Related Allowance, Recorded Investment |  | 2,124
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance |  | 2,124
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment |  | 48
Average Recorded Investment |  | 2,176
Interest Income Recognized |  | 122
With Allowance Recorded [Member] | Small Business [Member] |  |
Loans Allowance for Loan Losses and Credit Quality [Line Items] |  |
Impaired Financing Receivable, with Related Allowance, Recorded Investment |  | 68
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance |  | 105
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment |  | 8
Average Recorded Investment |  | 74
Interest Income Recognized |  | 2
With Allowance Recorded [Member] | Residential Real Estate [Member] |  |
Loans Allowance for Loan Losses and Credit Quality [Line Items] |  |
Impaired Financing Receivable, with Related Allowance, Recorded Investment |  | 6,252
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance |  | 7,163
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment |  | 637
Average Recorded Investment |  | 6,326
Interest Income Recognized |  | 239
With Allowance Recorded [Member] | Home Equity Loan [Member] |  |
Loans Allowance for Loan Losses and Credit Quality [Line Items] |  |
Impaired Financing Receivable, with Related Allowance, Recorded Investment |  | 1,184
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance |  | 1,382
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment |  | 156
Average Recorded Investment |  | 1,214
Interest Income Recognized |  | 52
With Allowance Recorded [Member] | Consumer Loan [Member] |  |
Loans Allowance for Loan Losses and Credit Quality [Line Items] |  |
Impaired Financing Receivable, with Related Allowance, Recorded Investment |  | 88
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance |  | 91
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment |  | 5
Average Recorded Investment |  | 97
Interest Income Recognized |  | $ 3

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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=123577603&loc=SL6953423-111524 + Details
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- Definition Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5212-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=123577603&loc=d3e5258-111524 + Details
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