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Loans and Allowance for Loan Losses (Troubled Debt Restructurings) (Details) | 3 Months Ended
--- | ---
Mar. 31, 2022 USD ($) Contract | Mar. 31, 2021 USD ($) Contract
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Number of Contracts | Contract | 79 | 142
Recorded investment | $ 41,643,000 | $ 15,475,000
Net charge-offs | $ 0 | $ 0
Total commercial and industrial |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Number of Contracts | Contract | 46 | 45
Recorded investment | $ 28,402,000 | $ 7,449,000
Total commercial and industrial | Commercial, financial and agricultural |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Number of Contracts | Contract | 33 | 40
Recorded investment | $ 18,441,000 | $ 5,796,000
Total commercial and industrial | Owner-occupied |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Number of Contracts | Contract | 13 | 5
Recorded investment | $ 9,961,000 | $ 1,653,000
Total commercial real estate |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Number of Contracts | Contract | 13 | 11
Recorded investment | $ 11,143,000 | $ 2,529,000
Total commercial real estate | Investment properties |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Number of Contracts | Contract | 3 | 5
Recorded investment | $ 7,199,000 | $ 1,984,000
Total commercial real estate | 1-4 family properties |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Number of Contracts | Contract | 7 | 5
Recorded investment | $ 1,213,000 | $ 502,000
Total commercial real estate | Land and development |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Number of Contracts | Contract | 3 | 1
Recorded investment | $ 2,731,000 | $ 43,000
Total consumer |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Number of Contracts | Contract | 20 | 86
Recorded investment | $ 2,098,000 | $ 5,497,000
Total consumer | Consumer mortgages |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Number of Contracts | Contract | 7 | 0
Recorded investment | $ 1,121,000 | $ 0
Total consumer | Home equity |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Number of Contracts | Contract | 11 | 13
Recorded investment | $ 929,000 | $ 749,000
Total consumer | Other consumer loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Number of Contracts | Contract | 2 | 73
Recorded investment | $ 48,000 | $ 4,748,000
Below Market Interest Rate |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Recorded investment | 30,483,000 | 7,650,000
Below Market Interest Rate | Total commercial and industrial |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Recorded investment | 24,004,000 | 4,487,000
Below Market Interest Rate | Total commercial and industrial | Commercial, financial and agricultural |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Recorded investment | 17,900,000 | 3,233,000
Below Market Interest Rate | Total commercial and industrial | Owner-occupied |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Recorded investment | 6,104,000 | 1,254,000
Below Market Interest Rate | Total commercial real estate |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Recorded investment | 4,533,000 | 2,447,000
Below Market Interest Rate | Total commercial real estate | Investment properties |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Recorded investment | 589,000 | 1,984,000
Below Market Interest Rate | Total commercial real estate | 1-4 family properties |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Recorded investment | 1,213,000 | 463,000
Below Market Interest Rate | Total commercial real estate | Land and development |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Recorded investment | 2,731,000 | 0
Below Market Interest Rate | Total consumer |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Recorded investment | 1,946,000 | 716,000
Below Market Interest Rate | Total consumer | Consumer mortgages |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Recorded investment | 1,017,000 | 0
Below Market Interest Rate | Total consumer | Home equity |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Recorded investment | 929,000 | 587,000
Below Market Interest Rate | Total consumer | Other consumer loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Recorded investment | 0 | 129,000
Other Concessions |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Recorded investment | 11,160,000 | 7,825,000
Other Concessions | Total commercial and industrial |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Recorded investment | 4,398,000 | 2,962,000
Other Concessions | Total commercial and industrial | Commercial, financial and agricultural |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Recorded investment | 541,000 | 2,563,000
Other Concessions | Total commercial and industrial | Owner-occupied |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Recorded investment | 3,857,000 | 399,000
Other Concessions | Total commercial real estate |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Recorded investment | 6,610,000 | 82,000
Other Concessions | Total commercial real estate | Investment properties |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Recorded investment | 6,610,000 | 0
Other Concessions | Total commercial real estate | 1-4 family properties |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Recorded investment | 0 | 39,000
Other Concessions | Total commercial real estate | Land and development |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Recorded investment | 0 | 43,000
Other Concessions | Total consumer |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Recorded investment | 152,000 | 4,781,000
Other Concessions | Total consumer | Consumer mortgages |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Recorded investment | 104,000 | 0
Other Concessions | Total consumer | Home equity |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Recorded investment | 0 | 162,000
Other Concessions | Total consumer | Other consumer loans |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Recorded investment | 48,000 | 4,619,000
Principal Forgiveness |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Recorded investment | $ 0 | $ 0

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