Loans and Allowance for Credit Losses - Troubled Debt Restructured Loans, By Concession (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) contract	Dec. 31, 2020 USD ($) contract
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-modification, number of contracts | contract	5	2
Pre-modification, total modification	$ 4,868	$ 3,413
Post-modification, number of contracts | contract	4	2
Post-modification, total modification	$ 4,184	$ 1,751
Rate Modification
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-modification, total modification	0	0
Post-modification, total modification	0	0
Term Modification
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-modification, total modification	4,729	3,249
Post-modification, total modification	4,045	1,590
Payment Modification
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-modification, total modification	139	164
Post-modification, total modification	139	161
Combination Modification
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-modification, total modification	0	0
Post-modification, total modification	$ 0	$ 0
Commercial
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-modification, number of contracts | contract	2	2
Pre-modification, total modification	$ 3,792	$ 3,413
Post-modification, number of contracts | contract	1	2
Post-modification, total modification	$ 3,118	$ 1,751
Commercial | Rate Modification
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-modification, total modification	0	0
Post-modification, total modification	0	0
Commercial | Term Modification
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-modification, total modification	3,792	3,249
Post-modification, total modification	3,118	1,590
Commercial | Payment Modification
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-modification, total modification	0	164
Post-modification, total modification	0	161
Commercial | Combination Modification
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-modification, total modification	0	0
Post-modification, total modification	$ 0	$ 0
Commercial real estate | Owner occupied properties
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-modification, number of contracts | contract	1
Pre-modification, total modification	$ 360
Post-modification, number of contracts | contract	1
Post-modification, total modification	$ 350
Commercial real estate | Owner occupied properties | Rate Modification
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-modification, total modification	0
Post-modification, total modification	0
Commercial real estate | Owner occupied properties | Term Modification
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-modification, total modification	360
Post-modification, total modification	350
Commercial real estate | Owner occupied properties | Payment Modification
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-modification, total modification	0
Post-modification, total modification	0
Commercial real estate | Owner occupied properties | Combination Modification
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-modification, total modification	0
Post-modification, total modification	$ 0
Residential real estate | 1-4 family residential properties secured by junior liens and revolving secured by 1-4 family first liens
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-modification, number of contracts | contract	1
Pre-modification, total modification	$ 139
Post-modification, number of contracts | contract	1
Post-modification, total modification	$ 139
Residential real estate | 1-4 family residential properties secured by junior liens and revolving secured by 1-4 family first liens | Rate Modification
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-modification, total modification	0
Post-modification, total modification	0
Residential real estate | 1-4 family residential properties secured by junior liens and revolving secured by 1-4 family first liens | Term Modification
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-modification, total modification	0
Post-modification, total modification	0
Residential real estate | 1-4 family residential properties secured by junior liens and revolving secured by 1-4 family first liens | Payment Modification
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-modification, total modification	139
Post-modification, total modification	139
Residential real estate | 1-4 family residential properties secured by junior liens and revolving secured by 1-4 family first liens | Combination Modification
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-modification, total modification	0
Post-modification, total modification	$ 0
Other construction, land development and raw land loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-modification, number of contracts | contract	1
Pre-modification, total modification	$ 577
Post-modification, number of contracts | contract	1
Post-modification, total modification	$ 577
Other construction, land development and raw land loans | Rate Modification
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-modification, total modification	0
Post-modification, total modification	0
Other construction, land development and raw land loans | Term Modification
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-modification, total modification	577
Post-modification, total modification	577
Other construction, land development and raw land loans | Payment Modification
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-modification, total modification	0
Post-modification, total modification	0
Other construction, land development and raw land loans | Combination Modification
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre-modification, total modification	0
Post-modification, total modification	$ 0