Loans and Allowance for Credit Losses - Summary of Troubled Debt Restructurings by Modification (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($) loan	Dec. 31, 2020 USD ($) loan
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre- Modification Recorded Balance	$ 14,028	$ 4,413
Post - Modification Recorded Balance	$ 14,083	$ 4,473
Number of Loans | loan	15	49
Term Modification
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post - Modification Recorded Balance	$ 13,802	$ 3,868
Rate Modification
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post - Modification Recorded Balance	142	258
Combination
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post - Modification Recorded Balance	139	347
Commercial and industrial loans
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre- Modification Recorded Balance	348	654
Post - Modification Recorded Balance	$ 348	$ 654
Number of Loans | loan	2	3
Commercial and industrial loans | Term Modification
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post - Modification Recorded Balance	$ 348	$ 654
Commercial and industrial loans | Rate Modification
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post - Modification Recorded Balance	0	0
Commercial and industrial loans | Combination
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post - Modification Recorded Balance	0	0
Agricultural land, production and other loans to farmers
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre- Modification Recorded Balance		458
Post - Modification Recorded Balance		$ 458
Number of Loans | loan		1
Agricultural land, production and other loans to farmers | Term Modification
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post - Modification Recorded Balance		$ 458
Agricultural land, production and other loans to farmers | Rate Modification
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post - Modification Recorded Balance		0
Agricultural land, production and other loans to farmers | Combination
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post - Modification Recorded Balance		0
Construction
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre- Modification Recorded Balance	16	113
Post - Modification Recorded Balance	$ 16	$ 123
Number of Loans | loan	1	1
Construction | Term Modification
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post - Modification Recorded Balance	$ 0	$ 0
Construction | Rate Modification
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post - Modification Recorded Balance	16	0
Construction | Combination
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post - Modification Recorded Balance	0	123
Commercial real estate, non-owner occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre- Modification Recorded Balance	12,922
Post - Modification Recorded Balance	$ 12,976
Number of Loans | loan	1
Commercial real estate, non-owner occupied | Term Modification
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post - Modification Recorded Balance	$ 12,976
Commercial real estate, non-owner occupied | Rate Modification
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post - Modification Recorded Balance	0
Commercial real estate, non-owner occupied | Combination
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post - Modification Recorded Balance	0
Commercial real estate, owner occupied
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre- Modification Recorded Balance	51	107
Post - Modification Recorded Balance	$ 50	$ 107
Number of Loans | loan	2	1
Commercial real estate, owner occupied | Term Modification
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post - Modification Recorded Balance	$ 29	$ 107
Commercial real estate, owner occupied | Rate Modification
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post - Modification Recorded Balance	0	0
Commercial real estate, owner occupied | Combination
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post - Modification Recorded Balance	21	0
Residential
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre- Modification Recorded Balance	691	2,730
Post - Modification Recorded Balance	$ 693	$ 2,780
Number of Loans | loan	9	38
Residential | Term Modification
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post - Modification Recorded Balance	$ 449	$ 2,393
Residential | Rate Modification
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post - Modification Recorded Balance	126	163
Residential | Combination
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post - Modification Recorded Balance	$ 118	224
Home equity
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre- Modification Recorded Balance		332
Post - Modification Recorded Balance		$ 332
Number of Loans | loan		3
Home equity | Term Modification
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post - Modification Recorded Balance		$ 237
Home equity | Rate Modification
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post - Modification Recorded Balance		95
Home equity | Combination
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post - Modification Recorded Balance		0
Consumer
Financing Receivable, Troubled Debt Restructuring [Line Items]
Pre- Modification Recorded Balance		19
Post - Modification Recorded Balance		$ 19
Number of Loans | loan		2
Consumer | Term Modification
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post - Modification Recorded Balance		$ 19
Consumer | Rate Modification
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post - Modification Recorded Balance		0
Consumer | Combination
Financing Receivable, Troubled Debt Restructuring [Line Items]
Post - Modification Recorded Balance		$ 0