XML 73 R62.htm IDEA: XBRL DOCUMENT v3.21.1
Loans (Credit Quality Indicators and Loan Grade) (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and Leases Receivable, Recorded Investment   $ 7,198,438
Recorded Investment $ 7,168,745 7,177,785
Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and Leases Receivable, Recorded Investment   4,129,121
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 399,794  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 1,262,181  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 626,050  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 392,085  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 259,222  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 696,606  
Financing Receivable, Excluding Accrued Interest, Revolving 494,431  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 4,130,369  
Consumer [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 255,467  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 991,477  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 550,386  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 290,045  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 196,358  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 562,364  
Financing Receivable, Excluding Accrued Interest, Revolving 191,518  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 3,037,615  
Construction Real Estate Commercial [Domain]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and Leases Receivable, Recorded Investment   227,563
Recorded Investment 223,318 226,991
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 14,483  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 116,924  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 50,282  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 15,582  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 2,679  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 7,100  
Financing Receivable, Excluding Accrued Interest, Revolving 16,268  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 223,318  
Residential Real Estate Commercial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and Leases Receivable, Recorded Investment   527,383
Recorded Investment 541,968 526,222
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 40,074  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 194,392  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 78,617  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 64,013  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 38,399  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 109,559  
Financing Receivable, Excluding Accrued Interest, Revolving 16,914  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 541,968  
Finance Leases Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and Leases Receivable, Recorded Investment   24,452
Residential Real Estate - Installment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and Leases Receivable, Recorded Investment   8,458
Recorded Investment 7,601 8,436
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 116  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 715  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 229  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 1,550  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 4,991  
Financing Receivable, Excluding Accrued Interest, Revolving 0  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 7,601  
Construction Real Estate Retail    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and Leases Receivable, Recorded Investment   116,665
Recorded Investment 114,110 116,430
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 7,246  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 85,363  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 12,652  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 3,888  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 2,078  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 2,807  
Financing Receivable, Excluding Accrued Interest, Revolving 76  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 114,110  
Residential Real Estate - Mortgage [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and Leases Receivable, Recorded Investment   1,097,305
Recorded Investment 1,077,696 1,096,358
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 83,060  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 220,655  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 155,458  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 97,402  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 79,661  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 441,460  
Financing Receivable, Excluding Accrued Interest, Revolving 0  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,077,696  
Residential Real Estate - HELOC [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and Leases Receivable, Recorded Investment   182,675
Recorded Investment 171,388 182,028
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 151  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 23  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 314  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 4,921  
Financing Receivable, Excluding Accrued Interest, Revolving 165,979  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 171,388  
Commercial, Financial, and Agricultural [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and Leases Receivable, Recorded Investment   1,595,517
Commercial Real Estate [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and Leases Receivable, Recorded Investment   1,754,206
Recorded Investment [1] 1,756,921 1,748,189
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 78,582  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 475,946  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 336,201  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 224,320  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 155,696  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 467,384  
Financing Receivable, Excluding Accrued Interest, Revolving 18,792  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,756,921  
Finance Leases Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and Leases Receivable, Recorded Investment   24,452
Recorded Investment 22,557 24,438
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 1,263  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 8,638  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 5,670  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 3,770  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 1,510  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 1,706  
Financing Receivable, Excluding Accrued Interest, Revolving 0  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 22,557  
PPP loans receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Recorded Investment 386,990  
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 198,993  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 187,997  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Revolving 0  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 386,990  
Check loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Recorded Investment 2,109  
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Revolving 2,109  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 2,109  
GFSC loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Recorded Investment 5,225  
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 539  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 3,138  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 1,132  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 327  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year (92)  
Financing Receivable, Excluding Accrued Interest, Revolving 181  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 5,225  
Bank Overdrafts    
Financing Receivable, Credit Quality Indicator [Line Items]    
Recorded Investment 2,373  
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 2,373  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Revolving 0  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 2,373  
Consumer [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and Leases Receivable, Recorded Investment   1,664,214
Recorded Investment 1,665,208 1,659,704
Commercial Financial Agricultural less PPP and Overdrafts    
Financing Receivable, Credit Quality Indicator [Line Items]    
Recorded Investment 1,198,615  
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 66,399  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 278,284  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 155,280  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 84,400  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 60,938  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 110,857  
Financing Receivable, Excluding Accrued Interest, Revolving 442,457  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,198,615  
Consumer less GFSC and Check Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Recorded Investment 1,657,874  
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 162,788  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 684,804  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 378,272  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 187,371  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 112,428  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 108,277  
Financing Receivable, Excluding Accrued Interest, Revolving 23,934  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,657,874  
5 Rated [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and Leases Receivable, Recorded Investment   103,370
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 272  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 15,015  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 37,231  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 10,314  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 11,113  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 24,842  
Financing Receivable, Excluding Accrued Interest, Revolving 13,482  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 112,269  
5 Rated [Member] | Construction Real Estate Commercial [Domain]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and Leases Receivable, Recorded Investment   164
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 2,971  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 163  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Revolving 0  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 3,134  
5 Rated [Member] | Residential Real Estate Commercial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and Leases Receivable, Recorded Investment   798
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 150  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 2,131  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 336  
Financing Receivable, Excluding Accrued Interest, Revolving 281  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 2,898  
5 Rated [Member] | Finance Leases Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and Leases Receivable, Recorded Investment   331
5 Rated [Member] | Commercial, Financial, and Agricultural [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and Leases Receivable, Recorded Investment   14,638
5 Rated [Member] | Commercial Real Estate [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and Leases Receivable, Recorded Investment   87,439
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 272  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 8,999  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 36,259  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 9,666  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 8,265  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 24,458  
Financing Receivable, Excluding Accrued Interest, Revolving 3,589  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 91,508  
5 Rated [Member] | Finance Leases Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 245  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 66  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 42  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Revolving 0  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 353  
5 Rated [Member] | PPP loans receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Revolving 0  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 0  
5 Rated [Member] | Commercial Financial Agricultural less PPP and Overdrafts    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 2,650  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 906  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 485  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 675  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 48  
Financing Receivable, Excluding Accrued Interest, Revolving 9,612  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 14,376  
6 Rated [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and Leases Receivable, Recorded Investment   139
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 671  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 7,212  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 18,485  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 12,157  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 16,428  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 26,693  
Financing Receivable, Excluding Accrued Interest, Revolving 1,589  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 83,235  
6 Rated [Member] | Construction Real Estate Commercial [Domain]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and Leases Receivable, Recorded Investment   0
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 96  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 8  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 1,010  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Revolving 256  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,370  
6 Rated [Member] | Residential Real Estate Commercial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and Leases Receivable, Recorded Investment   22
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 1,140  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 3,522  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 320  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 1,054  
Financing Receivable, Excluding Accrued Interest, Revolving 0  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 6,036  
6 Rated [Member] | Finance Leases Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and Leases Receivable, Recorded Investment   0
6 Rated [Member] | Commercial, Financial, and Agricultural [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and Leases Receivable, Recorded Investment   0
6 Rated [Member] | Commercial Real Estate [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and Leases Receivable, Recorded Investment   117
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 5,656  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 15,227  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 4,900  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 15,347  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 17,835  
Financing Receivable, Excluding Accrued Interest, Revolving 536  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 59,501  
6 Rated [Member] | Finance Leases Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 477  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 60  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 26  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 54  
Financing Receivable, Excluding Accrued Interest, Revolving 0  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 617  
6 Rated [Member] | PPP loans receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Revolving 0  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 0  
6 Rated [Member] | Commercial Financial Agricultural less PPP and Overdrafts    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 671  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 983  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 2,110  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 2,665  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 735  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 7,750  
Financing Receivable, Excluding Accrued Interest, Revolving 797  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 15,711  
Impaired [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and Leases Receivable, Recorded Investment   108,499
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 1,490  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 553  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 213  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 9,163  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 2,308  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 6,692  
Financing Receivable, Excluding Accrued Interest, Revolving 731  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 21,150  
Impaired [Member] | Construction Real Estate Commercial [Domain]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and Leases Receivable, Recorded Investment   3,110
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 2,577  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Revolving 0  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 2,577  
Impaired [Member] | Residential Real Estate Commercial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and Leases Receivable, Recorded Investment   4,557
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 43  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 216  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 30  
Financing Receivable, Excluding Accrued Interest, Revolving 231  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 520  
Impaired [Member] | Finance Leases Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and Leases Receivable, Recorded Investment   1,595
Impaired [Member] | Commercial, Financial, and Agricultural [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and Leases Receivable, Recorded Investment   28,880
Impaired [Member] | Commercial Real Estate [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and Leases Receivable, Recorded Investment   70,357
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 6,258  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 5,200  
Financing Receivable, Excluding Accrued Interest, Revolving 0  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 11,458  
Impaired [Member] | Finance Leases Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 519  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 213  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 45  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 64  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 76  
Financing Receivable, Excluding Accrued Interest, Revolving 0  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 917  
Impaired [Member] | PPP loans receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Revolving 0  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 0  
Impaired [Member] | Commercial Financial Agricultural less PPP and Overdrafts    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 1,490  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 34  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 240  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 2,028  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 1,386  
Financing Receivable, Excluding Accrued Interest, Revolving 500  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 5,678  
Purchased credit impaired [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and Leases Receivable, Recorded Investment   10,422
Purchased credit impaired [Member] | Construction Real Estate Commercial [Domain]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and Leases Receivable, Recorded Investment   1,002
Purchased credit impaired [Member] | Residential Real Estate Commercial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and Leases Receivable, Recorded Investment   1,510
Purchased credit impaired [Member] | Finance Leases Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and Leases Receivable, Recorded Investment   112
Purchased credit impaired [Member] | Commercial, Financial, and Agricultural [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and Leases Receivable, Recorded Investment   337
Purchased credit impaired [Member] | Commercial Real Estate [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and Leases Receivable, Recorded Investment   7,461
Pass Rated [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and Leases Receivable, Recorded Investment   3,906,691
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 397,361  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 1,239,401  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 570,121  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 360,451  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 229,373  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 638,379  
Financing Receivable, Excluding Accrued Interest, Revolving 478,629  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 3,913,715  
Pass Rated [Member] | Construction Real Estate Commercial [Domain]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and Leases Receivable, Recorded Investment   223,287
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 14,483  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 113,857  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 50,274  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 11,832  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 2,679  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 7,100  
Financing Receivable, Excluding Accrued Interest, Revolving 16,012  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 216,237  
Pass Rated [Member] | Residential Real Estate Commercial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and Leases Receivable, Recorded Investment   520,496
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 40,074  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 194,242  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 77,477  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 60,448  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 35,732  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 108,139  
Financing Receivable, Excluding Accrued Interest, Revolving 16,402  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 532,514  
Pass Rated [Member] | Finance Leases Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and Leases Receivable, Recorded Investment   22,414
Pass Rated [Member] | Commercial, Financial, and Agricultural [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and Leases Receivable, Recorded Investment   1,551,662
Pass Rated [Member] | Commercial Real Estate [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans and Leases Receivable, Recorded Investment   $ 1,588,832
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 78,310  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 461,291  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 284,715  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 203,496  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 132,084  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 419,891  
Financing Receivable, Excluding Accrued Interest, Revolving 14,667  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,594,454  
Pass Rated [Member] | Finance Leases Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 1,263  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 7,397  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 5,391  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 3,665  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 1,378  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 1,576  
Financing Receivable, Excluding Accrued Interest, Revolving 0  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 20,670  
Pass Rated [Member] | PPP loans receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 198,993  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 187,997  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Revolving 0  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 386,990  
Pass Rated [Member] | Commercial Financial Agricultural less PPP and Overdrafts    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 64,238  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 274,617  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 152,264  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 81,010  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 57,500  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 101,673  
Financing Receivable, Excluding Accrued Interest, Revolving 431,548  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,162,850  
Nonperforming Financial Instruments [Member] | Consumer [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 27  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 347  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 1,568  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 1,420  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 1,595  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 24,118  
Financing Receivable, Excluding Accrued Interest, Revolving 0  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 29,075  
Nonperforming Financial Instruments [Member] | Residential Real Estate - Installment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 16  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 2  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 49  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 97  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 1,793  
Financing Receivable, Excluding Accrued Interest, Revolving 0  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,957  
Nonperforming Financial Instruments [Member] | Construction Real Estate Retail    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 17  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 24  
Financing Receivable, Excluding Accrued Interest, Revolving 0  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 41  
Nonperforming Financial Instruments [Member] | Residential Real Estate - Mortgage [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 640  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 724  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 990  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 20,033  
Financing Receivable, Excluding Accrued Interest, Revolving 0  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 22,387  
Nonperforming Financial Instruments [Member] | Residential Real Estate - HELOC [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 83  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 1,419  
Financing Receivable, Excluding Accrued Interest, Revolving 761  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 2,263  
Nonperforming Financial Instruments [Member] | Check loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Revolving 0  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 0  
Nonperforming Financial Instruments [Member] | GFSC loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 4  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 130  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 71  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 34  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 7  
Financing Receivable, Excluding Accrued Interest, Revolving 0  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 246  
Nonperforming Financial Instruments [Member] | Bank Overdrafts    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Revolving 0  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 0  
Nonperforming Financial Instruments [Member] | Consumer less GFSC and Check Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 27  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 327  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 796  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 576  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 374  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 842  
Financing Receivable, Excluding Accrued Interest, Revolving 0  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 2,942  
Performing Financial Instruments [Member] | Consumer [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 255,440  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 991,130  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 548,818  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 288,625  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 194,763  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 538,246  
Financing Receivable, Excluding Accrued Interest, Revolving 191,518  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 3,008,540  
Performing Financial Instruments [Member] | Residential Real Estate - Installment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 100  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 713  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 180  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 1,453  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 3,198  
Financing Receivable, Excluding Accrued Interest, Revolving 0  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 5,644  
Performing Financial Instruments [Member] | Construction Real Estate Retail    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 7,246  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 85,363  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 12,652  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 3,888  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 2,061  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 2,783  
Financing Receivable, Excluding Accrued Interest, Revolving 76  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 114,069  
Performing Financial Instruments [Member] | Residential Real Estate - Mortgage [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 83,060  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 220,655  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 154,818  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 96,678  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 78,671  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 421,427  
Financing Receivable, Excluding Accrued Interest, Revolving 0  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,055,309  
Performing Financial Instruments [Member] | Residential Real Estate - HELOC [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 151  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 23  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 231  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 3,502  
Financing Receivable, Excluding Accrued Interest, Revolving 165,218  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 169,125  
Performing Financial Instruments [Member] | Check loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Revolving 2,109  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 2,109  
Performing Financial Instruments [Member] | GFSC loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 535  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 3,008  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 1,061  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 293  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year (99)  
Financing Receivable, Excluding Accrued Interest, Revolving 181  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 4,979  
Performing Financial Instruments [Member] | Bank Overdrafts    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 2,373  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 0  
Financing Receivable, Excluding Accrued Interest, Revolving 0  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 2,373  
Performing Financial Instruments [Member] | Consumer less GFSC and Check Loans    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year 162,761  
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year 684,477  
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year 377,476  
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year 186,795  
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year 112,054  
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year 107,435  
Financing Receivable, Excluding Accrued Interest, Revolving 23,934  
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss $ 1,654,932  
[1] Included within each of commercial, financial and agricultural loans and commercial real estate loans is an immaterial amount of consumer loans that were not broken out by class.(2) Results for reporting periods beginning after January 1, 2021 are presented under ASC 326, while prior period amounts continue to be reported in accordance with previously applicable U.S. GAAP. Category was not broken out as a separate class at December 31, 2020.