Loans - Summary of Amortized Cost Basis of Loan Modifications (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2023
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, excluding accrued interest, modification period	$ 5,959	$ 7,140
Financing receivable, excluding accrued interest, modified in period, to total financing receivables, percentage	0.05%	0.06%
Interest Rate Reduction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, excluding accrued interest, modification period	$ 9	$ 1,190
Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, excluding accrued interest, modification period	5,673	5,673
Payment Delay
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, excluding accrued interest, modification period	277	277
Commercial, financial, agricultural
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, excluding accrued interest, modification period	$ 1,210	$ 1,210
Financing receivable, excluding accrued interest, modified in period, to total financing receivables, percentage	0.07%	0.07%
Commercial, financial, agricultural | Interest Rate Reduction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, excluding accrued interest, modification period	$ 0	$ 0
Financing receivable, modified, weighted average interest rate decrease from modification	0.00%	0.00%
Commercial, financial, agricultural | Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, excluding accrued interest, modification period	$ 1,210	$ 1,210
Financing receivable, modified, weighted average interest rate decrease from modification	210.00%	210.00%
Commercial, financial, agricultural | Payment Delay
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, excluding accrued interest, modification period	$ 0	$ 0
Financing receivable, modified, weighted average interest rate decrease from modification	0.00%	0.00%
Real estate – construction:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, excluding accrued interest, modification period	$ 4,366	$ 4,366
Financing receivable, excluding accrued interest, modified in period, to total financing receivables, percentage	0.32%	0.32%
Real estate – construction: | Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, excluding accrued interest, modification period	$ 4,366	$ 4,366
Financing receivable, excluding accrued interest, modified in period, to total financing receivables, percentage	1.42%	1.42%
Real estate – construction: | Interest Rate Reduction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, excluding accrued interest, modification period	$ 0	$ 0
Real estate – construction: | Interest Rate Reduction | Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, excluding accrued interest, modification period	$ 0	$ 0
Financing receivable, modified, weighted average interest rate decrease from modification	0.00%	0.00%
Real estate – construction: | Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, excluding accrued interest, modification period	$ 4,366	$ 4,366
Real estate – construction: | Term Extension | Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, excluding accrued interest, modification period	$ 4,366	$ 4,366
Financing receivable, modified, weighted average interest rate decrease from modification	470.00%	470.00%
Real estate – construction: | Payment Delay
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, excluding accrued interest, modification period	$ 0	$ 0
Real estate – construction: | Payment Delay | Residential
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, excluding accrued interest, modification period	$ 0	$ 0
Financing receivable, modified, weighted average interest rate decrease from modification	0.00%	0.00%
Real estate – 1-4 family mortgage:
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, excluding accrued interest, modification period	$ 9	$ 9
Financing receivable, excluding accrued interest, modified in period, to total financing receivables, percentage	0.00%	0.00%
Real estate – 1-4 family mortgage: | Home equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, excluding accrued interest, modification period	$ 9	$ 9
Financing receivable, excluding accrued interest, modified in period, to total financing receivables, percentage	0.00%	0.00%
Real estate – 1-4 family mortgage: | Interest Rate Reduction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, excluding accrued interest, modification period	$ 9	$ 9
Real estate – 1-4 family mortgage: | Interest Rate Reduction | Home equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, excluding accrued interest, modification period	$ 9	$ 9
Financing receivable, modified, weighted average interest rate decrease from modification	3.00%	3.00%
Real estate – 1-4 family mortgage: | Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, excluding accrued interest, modification period	$ 0	$ 0
Real estate – 1-4 family mortgage: | Term Extension | Home equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, excluding accrued interest, modification period	$ 0	$ 0
Financing receivable, modified, weighted average interest rate decrease from modification	0.00%	0.00%
Real estate – 1-4 family mortgage: | Payment Delay
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, excluding accrued interest, modification period	$ 0	$ 0
Real estate – 1-4 family mortgage: | Payment Delay | Home equity
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, excluding accrued interest, modification period	$ 0	$ 0
Financing receivable, modified, weighted average interest rate decrease from modification	0.00%	0.00%
Real Estate - Commercial Mortgage
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, excluding accrued interest, modification period	$ 374	$ 1,555
Financing receivable, excluding accrued interest, modified in period, to total financing receivables, percentage	0.01%	0.03%
Real Estate - Commercial Mortgage | Owner-occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, excluding accrued interest, modification period	$ 0	$ 155
Financing receivable, excluding accrued interest, modified in period, to total financing receivables, percentage	0.00%	0.01%
Real Estate - Commercial Mortgage | Non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, excluding accrued interest, modification period	$ 0	$ 1,026
Financing receivable, excluding accrued interest, modified in period, to total financing receivables, percentage	0.00%	0.03%
Real Estate - Commercial Mortgage | Land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, excluding accrued interest, modification period	$ 374	$ 374
Financing receivable, excluding accrued interest, modified in period, to total financing receivables, percentage	0.33%	0.33%
Real Estate - Commercial Mortgage | Interest Rate Reduction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, excluding accrued interest, modification period	$ 0	$ 1,181
Financing receivable, modified, weighted average interest rate decrease from modification	3.00%	0.21%
Real Estate - Commercial Mortgage | Interest Rate Reduction | Owner-occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, excluding accrued interest, modification period	$ 0	$ 155
Financing receivable, modified, weighted average interest rate decrease from modification	0.00%	0.68%
Real Estate - Commercial Mortgage | Interest Rate Reduction | Non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, excluding accrued interest, modification period	$ 0	$ 1,026
Financing receivable, modified, weighted average interest rate decrease from modification	0.00%	0.12%
Real Estate - Commercial Mortgage | Interest Rate Reduction | Land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, excluding accrued interest, modification period	$ 0	$ 0
Financing receivable, modified, weighted average interest rate decrease from modification	0.00%	0.00%
Real Estate - Commercial Mortgage | Term Extension
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, excluding accrued interest, modification period	$ 97	$ 97
Financing receivable, modified, weighted average interest rate decrease from modification	420.00%	420.00%
Real Estate - Commercial Mortgage | Term Extension | Owner-occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, excluding accrued interest, modification period	$ 0	$ 0
Financing receivable, modified, weighted average interest rate decrease from modification	0.00%	0.00%
Real Estate - Commercial Mortgage | Term Extension | Non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, excluding accrued interest, modification period	$ 0	$ 0
Financing receivable, modified, weighted average interest rate decrease from modification	0.00%	0.00%
Real Estate - Commercial Mortgage | Term Extension | Land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, excluding accrued interest, modification period	$ 97	$ 97
Financing receivable, modified, weighted average interest rate decrease from modification	840.00%	840.00%
Real Estate - Commercial Mortgage | Payment Delay
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, excluding accrued interest, modification period	$ 277	$ 277
Financing receivable, modified, weighted average interest rate decrease from modification	300.00%	300.00%
Real Estate - Commercial Mortgage | Payment Delay | Owner-occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, excluding accrued interest, modification period	$ 0	$ 0
Financing receivable, modified, weighted average interest rate decrease from modification	0.00%	0.00%
Real Estate - Commercial Mortgage | Payment Delay | Non-owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, excluding accrued interest, modification period	$ 0	$ 0
Financing receivable, modified, weighted average interest rate decrease from modification	0.00%	0.00%
Real Estate - Commercial Mortgage | Payment Delay | Land development
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing receivable, excluding accrued interest, modification period	$ 277	$ 277
Financing receivable, modified, weighted average interest rate decrease from modification	300.00%	300.00%