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Loans and Allowance for Credit Losses - Loans Modified During the Period (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024 USD ($) Rate yr	Jun. 30, 2023 USD ($) Rate yr	Jun. 30, 2024 USD ($) Rate yr	Jun. 30, 2023 USD ($) Rate yr
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	$ 10,113	$ 405	$ 11,810	$ 429
Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage | Rate	0.11%	0.00%	0.13%	0.00%
Financing Receivable, Modified, Weighted Average Interest Rate Decrease from Modification | Rate	0.00%	0.00%	1.81%	2.25%
Financing Receivable, Modified, Weighted Average Term Increase from Modification	3 years 4 months 24 days	3 years 1 month 6 days	2 years 6 months	3 years 1 month 6 days
Financing Receivable, Excluding Accrued Interest, Modified, Increase (Decrease) from Modification	$ 0	$ 0	$ 0	$ 0
Financing Receivable, Modified, Payment Deferral | yr	0.9	0.5	0.9	0.5
Contractual Interest Rate Reduction [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	$ 0	$ 0	$ 189	$ 24
Extended Maturity [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	245	161	1,215	161
Principal Forgiveness
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment		0		0
Extended Maturity and Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	193	244	616	244
Contractual Interest Rate Reduction and Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment			102
Contractual Interest Rate Reduction, Term Extension, and Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment			13
Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	9,675		9,675
Residential real estate [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	$ 193	$ 405	$ 478	$ 429
Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage | Rate	0.01%	0.02%	0.02%	0.02%
Financing Receivable, Modified, Weighted Average Interest Rate Decrease from Modification | Rate	0.00%	0.00%	0.00%	2.25%
Financing Receivable, Modified, Weighted Average Term Increase from Modification	1 year 4 months 24 days	3 years 1 month 6 days	4 years 2 months 12 days	3 years 1 month 6 days
Financing Receivable, Excluding Accrued Interest, Modified, Increase (Decrease) from Modification	$ 0	$ 0	$ 0	$ 0
Financing Receivable, Modified, Payment Deferral | yr	0.5	0.5	0.6	0.5
Residential real estate [Member] | Contractual Interest Rate Reduction [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	$ 0	$ 0	$ 0	$ 24
Residential real estate [Member] | Extended Maturity [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	0	161	89	161
Residential real estate [Member] | Principal Forgiveness
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment		0		0
Residential real estate [Member] | Extended Maturity and Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	193	244	389	244
Residential real estate [Member] | Contractual Interest Rate Reduction and Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment			0
Residential real estate [Member] | Contractual Interest Rate Reduction, Term Extension, and Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment			0
Residential real estate [Member] | Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	0		0
Residential real estate [Member] | Senior Lien
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	$ 193	$ 405	$ 449	$ 429
Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage | Rate	0.01%	0.02%	0.03%	0.03%
Financing Receivable, Modified, Weighted Average Interest Rate Decrease from Modification | Rate	0.00%	0.00%	0.00%	2.25%
Financing Receivable, Modified, Weighted Average Term Increase from Modification	1 year 4 months 24 days	3 years 1 month 6 days	3 years 9 months 18 days	3 years 1 month 6 days
Financing Receivable, Excluding Accrued Interest, Modified, Increase (Decrease) from Modification	$ 0	$ 0	$ 0	$ 0
Financing Receivable, Modified, Payment Deferral | yr	0.5	0.5	0.7	0.5
Residential real estate [Member] | Senior Lien | Contractual Interest Rate Reduction [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	$ 0	$ 0	$ 0	$ 24
Residential real estate [Member] | Senior Lien | Extended Maturity [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	0	161	89	161
Residential real estate [Member] | Senior Lien | Principal Forgiveness
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment		0		0
Residential real estate [Member] | Senior Lien | Extended Maturity and Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	193	$ 244	360	$ 244
Residential real estate [Member] | Senior Lien | Contractual Interest Rate Reduction and Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment			0
Residential real estate [Member] | Senior Lien | Contractual Interest Rate Reduction, Term Extension, and Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment			0
Residential real estate [Member] | Senior Lien | Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	0		0
Residential real estate [Member] | Junior Lien
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment			$ 29
Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage | Rate			0.00%
Financing Receivable, Modified, Weighted Average Interest Rate Decrease from Modification | Rate			0.00%
Financing Receivable, Modified, Weighted Average Term Increase from Modification			10 years 3 months 18 days
Financing Receivable, Excluding Accrued Interest, Modified, Increase (Decrease) from Modification			$ 0
Financing Receivable, Modified, Payment Deferral | yr			0.3
Residential real estate [Member] | Junior Lien | Contractual Interest Rate Reduction [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment			$ 0
Residential real estate [Member] | Junior Lien | Extended Maturity [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment			0
Residential real estate [Member] | Junior Lien | Extended Maturity and Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment			29
Residential real estate [Member] | Junior Lien | Contractual Interest Rate Reduction and Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment			0
Residential real estate [Member] | Junior Lien | Contractual Interest Rate Reduction, Term Extension, and Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment			0
Residential real estate [Member] | Junior Lien | Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment			0
Commercial, financial, agricultural and other [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	$ 245		$ 1,471
Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage | Rate	0.02%		0.09%
Financing Receivable, Modified, Weighted Average Interest Rate Decrease from Modification | Rate	0.00%		1.78%
Financing Receivable, Modified, Weighted Average Term Increase from Modification	5 years		2 years 1 month 6 days
Financing Receivable, Excluding Accrued Interest, Modified, Increase (Decrease) from Modification	$ 0		$ 0
Financing Receivable, Modified, Payment Deferral | yr	0.0		0.4
Commercial, financial, agricultural and other [Member] | Contractual Interest Rate Reduction [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	$ 0		$ 189
Commercial, financial, agricultural and other [Member] | Extended Maturity [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	245		1,114
Commercial, financial, agricultural and other [Member] | Extended Maturity and Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	0		66
Commercial, financial, agricultural and other [Member] | Contractual Interest Rate Reduction and Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment			102
Commercial, financial, agricultural and other [Member] | Contractual Interest Rate Reduction, Term Extension, and Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment			0
Commercial, financial, agricultural and other [Member] | Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	0		0
Commercial, financial, agricultural and other [Member] | Time and Demand Loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	$ 245		$ 1,303
Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage | Rate	0.02%		0.11%
Financing Receivable, Modified, Weighted Average Interest Rate Decrease from Modification | Rate	0.00%		1.50%
Financing Receivable, Modified, Weighted Average Term Increase from Modification	5 years		2 years 1 month 6 days
Financing Receivable, Excluding Accrued Interest, Modified, Increase (Decrease) from Modification	$ 0		$ 0
Financing Receivable, Modified, Payment Deferral | yr	0.0		0.0
Commercial, financial, agricultural and other [Member] | Time and Demand Loans | Contractual Interest Rate Reduction [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	$ 0		$ 189
Commercial, financial, agricultural and other [Member] | Time and Demand Loans | Extended Maturity [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	245		1,114
Commercial, financial, agricultural and other [Member] | Time and Demand Loans | Extended Maturity and Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	0		0
Commercial, financial, agricultural and other [Member] | Time and Demand Loans | Contractual Interest Rate Reduction and Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment			0
Commercial, financial, agricultural and other [Member] | Time and Demand Loans | Contractual Interest Rate Reduction, Term Extension, and Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment			0
Commercial, financial, agricultural and other [Member] | Time and Demand Loans | Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	0		0
Commercial, financial, agricultural and other [Member] | Equipment Finance
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment			$ 168
Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage | Rate			0.05%
Financing Receivable, Modified, Weighted Average Interest Rate Decrease from Modification | Rate			2.30%
Financing Receivable, Modified, Weighted Average Term Increase from Modification			6 months
Financing Receivable, Excluding Accrued Interest, Modified, Increase (Decrease) from Modification			$ 0
Financing Receivable, Modified, Payment Deferral | yr			0.4
Commercial, financial, agricultural and other [Member] | Equipment Finance | Contractual Interest Rate Reduction [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment			$ 0
Commercial, financial, agricultural and other [Member] | Equipment Finance | Extended Maturity [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment			0
Commercial, financial, agricultural and other [Member] | Equipment Finance | Extended Maturity and Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment			66
Commercial, financial, agricultural and other [Member] | Equipment Finance | Contractual Interest Rate Reduction and Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment			102
Commercial, financial, agricultural and other [Member] | Equipment Finance | Contractual Interest Rate Reduction, Term Extension, and Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment			0
Commercial, financial, agricultural and other [Member] | Equipment Finance | Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment			0
Commercial Real Estate [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	$ 9,675		$ 9,827
Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage | Rate	0.31%		0.32%
Financing Receivable, Modified, Weighted Average Interest Rate Decrease from Modification | Rate	0.00%		0.00%
Financing Receivable, Modified, Weighted Average Term Increase from Modification	0 years		6 months
Financing Receivable, Excluding Accrued Interest, Modified, Increase (Decrease) from Modification	$ 0		$ 0
Financing Receivable, Modified, Payment Deferral | yr	0.9		0.9
Commercial Real Estate [Member] | Contractual Interest Rate Reduction [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	$ 0		$ 0
Commercial Real Estate [Member] | Extended Maturity [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	0		0
Commercial Real Estate [Member] | Extended Maturity and Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	0		152
Commercial Real Estate [Member] | Contractual Interest Rate Reduction and Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment			0
Commercial Real Estate [Member] | Contractual Interest Rate Reduction, Term Extension, and Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment			0
Commercial Real Estate [Member] | Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	9,675		9,675
Commercial Real Estate [Member] | Owner Occupied Commercial Real Estate
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	$ 9,675		$ 9,827
Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage | Rate	1.34%		1.36%
Financing Receivable, Modified, Weighted Average Interest Rate Decrease from Modification | Rate	0.00%		0.00%
Financing Receivable, Modified, Weighted Average Term Increase from Modification	0 years		6 months
Financing Receivable, Excluding Accrued Interest, Modified, Increase (Decrease) from Modification	$ 0		$ 0
Financing Receivable, Modified, Payment Deferral | yr	0.9		0.9
Commercial Real Estate [Member] | Owner Occupied Commercial Real Estate | Contractual Interest Rate Reduction [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	$ 0		$ 0
Commercial Real Estate [Member] | Owner Occupied Commercial Real Estate | Extended Maturity [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	0		0
Commercial Real Estate [Member] | Owner Occupied Commercial Real Estate | Extended Maturity and Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	0		152
Commercial Real Estate [Member] | Owner Occupied Commercial Real Estate | Contractual Interest Rate Reduction and Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment			0
Commercial Real Estate [Member] | Owner Occupied Commercial Real Estate | Contractual Interest Rate Reduction, Term Extension, and Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment			0
Commercial Real Estate [Member] | Owner Occupied Commercial Real Estate | Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment	$ 9,675		9,675
Loans to individuals [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment			$ 34
Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage | Rate			0.00%
Financing Receivable, Modified, Weighted Average Interest Rate Decrease from Modification | Rate			2.39%
Financing Receivable, Modified, Weighted Average Term Increase from Modification			2 years 7 months 6 days
Financing Receivable, Excluding Accrued Interest, Modified, Increase (Decrease) from Modification			$ 0
Financing Receivable, Modified, Payment Deferral | yr			0.4
Loans to individuals [Member] | Contractual Interest Rate Reduction [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment			$ 0
Loans to individuals [Member] | Extended Maturity [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment			12
Loans to individuals [Member] | Extended Maturity and Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment			9
Loans to individuals [Member] | Contractual Interest Rate Reduction and Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment			0
Loans to individuals [Member] | Contractual Interest Rate Reduction, Term Extension, and Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment			13
Loans to individuals [Member] | Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment			0
Loans to individuals [Member] | Automobiles
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment			$ 34
Financing Receivable, Modified in Period, to Total Financing Receivables, Percentage | Rate			0.00%
Loans to individuals [Member] | Automobiles | Contractual Interest Rate Reduction [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment			$ 0
Loans to individuals [Member] | Automobiles | Extended Maturity [Member]
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment			12
Loans to individuals [Member] | Automobiles | Extended Maturity and Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment			9
Loans to individuals [Member] | Automobiles | Contractual Interest Rate Reduction and Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment			0
Loans to individuals [Member] | Automobiles | Contractual Interest Rate Reduction, Term Extension, and Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment			13
Loans to individuals [Member] | Automobiles | Payment Deferral
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post- Modification Outstanding Recorded Investment			$ 0
Loans to individuals [Member] | Automobile Loan
Financing Receivable, Troubled Debt Restructuring [Line Items]
Financing Receivable, Modified, Weighted Average Interest Rate Decrease from Modification | Rate			2.39%
Financing Receivable, Modified, Weighted Average Term Increase from Modification			2 years 7 months 6 days
Financing Receivable, Excluding Accrued Interest, Modified, Increase (Decrease) from Modification			$ 0
Financing Receivable, Modified, Payment Deferral | yr			0.4

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Period of increase in weighted average maturity of financing receivable modified for debtor experiencing financial difficulty, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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