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Loans (Aging Of Past Due Loans) (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Financing Receivable, Past Due [Line Items] |  |  |  |  |
Accruing loans past due 30-89 days |  | $ 14,778 |  | $ 13,465 |
Loan balance |  | 7,103,246 |  | 6,871,122 |
Financing Receivable Recorded Investment Ninety Days Or More Past Due And Accruing Plus Past Due Nonaccrual Loans |  | 16,930 | [1] | 21,070 | [2]
Impaired Financing Receivable, Recorded Investment, Nonaccrual loans which are current in regards to contractual P&I payments |  | 28,500 |  | 53,300 |
Financial Asset, Not Past Due |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 7,071,538 |  | 6,836,587 |
Construction Real Estate Commercial [Domain] |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |
Accruing loans past due 30-89 days |  | 158 |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 200,580 |  | 214,561 |
Loan balance |  | 200,580 |  | 214,561 |
Construction Real Estate Commercial [Domain] | Financial Asset, Not Past Due |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 200,422 |  | 214,561 |
Residential Real Estate Commercial [Member] |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |
Accruing loans past due 30-89 days |  | 9 |  | 283 |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 532,921 |  | 533,802 |
Loan balance |  | 532,921 |  | 533,802 |
Financing Receivable Recorded Investment Ninety Days Or More Past Due And Accruing Plus Past Due Nonaccrual Loans |  | 362 | [1] | 438 | [2]
Residential Real Estate Commercial [Member] | Financial Asset, Not Past Due |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 532,550 |  | 533,081 |
Residential Real Estate - Mortgage [Member] |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |
Accruing loans past due 30-89 days |  | 6,986 |  | 6,170 |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 1,057,204 |  | 1,033,658 |
Loan balance |  | 1,057,204 |  | 1,033,658 |
Financing Receivable Recorded Investment Ninety Days Or More Past Due And Accruing Plus Past Due Nonaccrual Loans |  | 5,450 | [1] | 5,933 | [2]
Residential Real Estate - Mortgage [Member] | Financial Asset, Not Past Due |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 1,044,768 |  | 1,021,555 |
Residential Real Estate - HELOC [Member] |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |
Accruing loans past due 30-89 days |  | 282 |  | 565 |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 166,989 |  | 165,605 |
Loan balance |  | 166,989 |  | 165,605 |
Financing Receivable Recorded Investment Ninety Days Or More Past Due And Accruing Plus Past Due Nonaccrual Loans |  | 631 | [1] | 1,011 | [2]
Residential Real Estate - HELOC [Member] | Financial Asset, Not Past Due |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 166,076 |  | 164,029 |
Residential Real Estate - Installment [Member] |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |
Accruing loans past due 30-89 days |  | 46 |  | 49 |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 4,251 |  | 5,642 |
Loan balance |  | 4,251 |  | 5,642 |
Financing Receivable Recorded Investment Ninety Days Or More Past Due And Accruing Plus Past Due Nonaccrual Loans |  | 7 | [1] | 31 | [2]
Residential Real Estate - Installment [Member] | Financial Asset, Not Past Due |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 4,198 |  | 5,562 |
PPP loans receivable [Member] |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |
Accruing loans past due 30-89 days |  | 780 |  | 242 |
Loan balance |  | 5,715 |  | 74,420 |
Financing Receivable Recorded Investment Ninety Days Or More Past Due And Accruing Plus Past Due Nonaccrual Loans |  | 8 |  | 793 |
PPP loans receivable [Member] | Financial Asset, Not Past Due |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 4,927 |  | 73,385 |
Bank Overdrafts |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |
Loan balance |  | 1,957 |  | 1,127 |
Bank Overdrafts | Financial Asset, Not Past Due |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 1,957 |  | 1,127 |
Construction Real Estate Retail |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |
Accruing loans past due 30-89 days |  |  |  | 346 |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 111,127 |  | 107,225 |
Loan balance |  | 111,127 |  | 107,225 |
Financing Receivable Recorded Investment Ninety Days Or More Past Due And Accruing Plus Past Due Nonaccrual Loans | [2] |  |  | 660 |
Construction Real Estate Retail | Financial Asset, Not Past Due |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 111,127 |  | 106,219 |
Commercial Real Estate [Member] |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |
Accruing loans past due 30-89 days |  | 574 |  | 65 |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 1,790,801 |  | 1,801,792 |
Loan balance |  | 1,790,801 |  | 1,801,792 |
Financing Receivable Recorded Investment Ninety Days Or More Past Due And Accruing Plus Past Due Nonaccrual Loans |  | 516 | [1] | 1,461 | [2]
Commercial Real Estate [Member] | Financial Asset, Not Past Due |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 1,789,711 |  | 1,800,266 |
Finance Leases Portfolio Segment [Member] |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |
Accruing loans past due 30-89 days |  | 38 |  | 60 |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 19,871 |  | 20,532 |
Loan balance |  | 19,871 |  | 20,532 |
Financing Receivable Recorded Investment Ninety Days Or More Past Due And Accruing Plus Past Due Nonaccrual Loans |  | 166 |  | 526 | [2]
Finance Leases Portfolio Segment [Member] | Financial Asset, Not Past Due |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 19,667 |  | 19,946 |
PPP loans receivable [Member] |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 5,715 |  | 74,420 |
GFSC loans |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |
Accruing loans past due 30-89 days |  | 46 |  | 153 |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 452 |  | 1,793 |
Loan balance |  | 452 |  | 1,793 |
Financing Receivable Recorded Investment Ninety Days Or More Past Due And Accruing Plus Past Due Nonaccrual Loans |  | 10 |  | 52 |
GFSC loans | Financial Asset, Not Past Due |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 396 |  | 1,588 |
Check loans |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |
Accruing loans past due 30-89 days |  | 5 |  | 10 |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 2,144 |  | 2,093 |
Loan balance |  | 2,144 |  | 2,093 |
Check loans | Financial Asset, Not Past Due |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 2,139 |  | 2,083 |
Bank Overdrafts |  |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | $ 1,957 |  | $ 1,127 |
[1] | 1) Includes an aggregate of $790,000 of loans past due 90 days or more and accruing. The remaining loans were past due nonaccrual loans.(2) Includes an aggregate of $28.5 million of nonaccrual loans which were current in regards to contractual principal and interest payments
[2] | 1) Includes an aggregate of $1.6 million of loans past due 90 days or more and accruing. The remaining loans were past due nonaccrual loans.(2) Includes an aggregate of $53.3 million of nonaccrual loans which were current in regards to contractual principal and interest payments.

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- Definition Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919230-210447 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 3B -URI https://asc.fasb.org/extlink&oid=124255953&loc=SL120267963-210447 + Details
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