Loans - Gross Charge-Offs (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Current year			$ 927
Prior year			1,428
Two years prior			439
Three years prior			302
Four years prior			670
Prior			11,641
Revolving Loans			865
Total Charge-offs	$ 3,630	$ 3,259	16,272	$ 10,274
Commercial, financial, agricultural
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Current year			898
Prior year			1,064
Two years prior			59
Three years prior			123
Four years prior			583
Prior			4,128
Revolving Loans			865
Total Charge-offs	2,252	373	7,720	4,714
Lease financing
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Current year			0
Prior year			273
Two years prior			248
Three years prior			72
Four years prior			48
Prior			0
Revolving Loans			0
Total Charge-offs	641	0	641	7
Real estate – construction:
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Total Charge-offs	0	0	57	0
Real estate – construction: | Residential
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Current year			0
Prior year			57
Two years prior			0
Three years prior			0
Four years prior			0
Prior			0
Revolving Loans			0
Total Charge-offs			57
Real estate – 1-4 family mortgage:
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Current year			0
Prior year			0
Two years prior			91
Three years prior			72
Four years prior			35
Prior			147
Revolving Loans			0
Total Charge-offs	130	208	345	532
Real estate – 1-4 family mortgage: | Primary
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Current year			0
Prior year			0
Two years prior			0
Three years prior			0
Four years prior			0
Prior			57
Revolving Loans			0
Total Charge-offs			57
Real estate – 1-4 family mortgage: | Home equity
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Current year			0
Prior year			0
Two years prior			0
Three years prior			0
Four years prior			25
Prior			90
Revolving Loans			0
Total Charge-offs			115
Real estate – 1-4 family mortgage: | Rental/investment
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Current year			0
Prior year			0
Two years prior			91
Three years prior			72
Four years prior			10
Prior			0
Revolving Loans			0
Total Charge-offs			173
Real Estate - Commercial Mortgage
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Current year			0
Prior year			0
Two years prior			0
Three years prior			0
Four years prior			0
Prior			5,512
Revolving Loans			0
Total Charge-offs	0	1,956	5,512	2,670
Real Estate - Commercial Mortgage | Owner-occupied
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Current year			0
Prior year			0
Two years prior			0
Three years prior			0
Four years prior			0
Prior			527
Revolving Loans			0
Total Charge-offs			527
Real Estate - Commercial Mortgage | Non-owner occupied
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Current year			0
Prior year			0
Two years prior			0
Three years prior			0
Four years prior			0
Prior			4,985
Revolving Loans			0
Total Charge-offs			4,985
Installment loans to individuals
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff, by Origination Year [Abstract]
Current year			29
Prior year			34
Two years prior			41
Three years prior			35
Four years prior			4
Prior			1,854
Revolving Loans			0
Total Charge-offs	$ 607	$ 722	$ 1,997	$ 2,351