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Allowance for Credit Losses (Impairment By Loan Class) (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Loan loss allowances, impaired financing receivable, evaluated individually or collectively |  |
Loans Individually Evaluated for Impairment, Recorded Investment | $ 19,447 | $ 12,675
Loans Individually Evaluated for Impairment, Allowance | 279 | 365
Loans Collectively Evaluated for Impairment, Recorded Investment | 7,522,307 | 6,882,271
Loans Collectively Evaluated for Impairment, Allowance | 108,780 | 59,913
Commercial, financial and agricultural | Domestic | Commercial Loan [Member] |  |
Loan loss allowances, impaired financing receivable, evaluated individually or collectively |  |
Loans Individually Evaluated for Impairment, Recorded Investment | 1,189 | 1,935
Loans Individually Evaluated for Impairment, Allowance | 209 | 249
Loans Collectively Evaluated for Impairment, Recorded Investment | 1,784,747 | 1,290,725
Loans Collectively Evaluated for Impairment, Allowance | 21,699 | 10,895
Commercial, financial and agricultural | Domestic | Commercial Real Estate Farmland and Commercial Receivable [Member] |  |
Loan loss allowances, impaired financing receivable, evaluated individually or collectively |  |
Loans Individually Evaluated for Impairment, Recorded Investment | 439 | 1,208
Loans Collectively Evaluated for Impairment, Recorded Investment | 2,288,869 | 1,895,539
Loans Collectively Evaluated for Impairment, Allowance | 30,000 | 16,533
Commercial, financial and agricultural | Domestic | Commercial Real Estate Multifamily Receivable [Member] |  |
Loan loss allowances, impaired financing receivable, evaluated individually or collectively |  |
Loans Individually Evaluated for Impairment, Recorded Investment | 134 | 165
Loans Collectively Evaluated for Impairment, Recorded Investment | 440,910 | 190,265
Loans Collectively Evaluated for Impairment, Allowance | 5,051 | 1,786
Commercial Real Estate Portfolio Segment [Member] | Domestic | Commercial Real Estate: other construction and land development |  |
Loan loss allowances, impaired financing receivable, evaluated individually or collectively |  |
Loans Individually Evaluated for Impairment, Recorded Investment | 17,496 | 938
Loans Individually Evaluated for Impairment, Allowance | 70 | 116
Loans Collectively Evaluated for Impairment, Recorded Investment | 1,829,261 | 2,184,945
Loans Collectively Evaluated for Impairment, Allowance | 37,542 | 18,037
Real estate - mortgage | Domestic | Residential First Mortgage Financing Receivable [Member] |  |
Loan loss allowances, impaired financing receivable, evaluated individually or collectively |  |
Loans Individually Evaluated for Impairment, Recorded Investment | 151 | 6,278
Loans Collectively Evaluated for Impairment, Recorded Investment | 404,968 | 427,623
Loans Collectively Evaluated for Impairment, Allowance | 3,874 | 3,762
Real estate - mortgage | Domestic | Residential Junior Lien |  |
Loan loss allowances, impaired financing receivable, evaluated individually or collectively |  |
Loans Individually Evaluated for Impairment, Recorded Investment | 38 | 692
Loans Collectively Evaluated for Impairment, Recorded Investment | 593,987 | 705,784
Loans Collectively Evaluated for Impairment, Allowance | 9,570 | 7,535
Consumer | Domestic |  |
Loan loss allowances, impaired financing receivable, evaluated individually or collectively |  |
Loans Individually Evaluated for Impairment, Recorded Investment |  | 1,195
Loans Collectively Evaluated for Impairment, Recorded Investment | 40,595 | 46,605
Loans Collectively Evaluated for Impairment, Allowance | 291 | 542
Foreign | Foreign |  |
Loan loss allowances, impaired financing receivable, evaluated individually or collectively |  |
Loans Individually Evaluated for Impairment, Recorded Investment |  | 264
Loans Collectively Evaluated for Impairment, Recorded Investment | 138,970 | 140,785
Loans Collectively Evaluated for Impairment, Allowance | $ 753 | $ 823

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- Definition The valuation allowance for financing receivables that are expected to be uncollectible that were collectively 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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- 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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