Loans and Allowance for Loan Losses, Information Regarding Nonperforming Assets (Details) $ in Thousands		12 Months Ended
		Dec. 31, 2021 USD ($) Loan	Dec. 31, 2020 USD ($)
Nonperforming Assets [Abstract]
Nonaccrual loans		$ 9,885	$ 14,575
Troubled-debt restructurings	[1]	0	0
Accruing loans 90 or more days past due		496	1,960
Total nonperforming loans		10,381	16,535
TDR loans impaired		$ 1,400	12,980
COVID-19 [Member]
Nonperforming Assets [Abstract]
Number of loans modified that were not considered troubled debt restructurings | Loan		1
Amount of loans modified that were not considered troubled debt restructurings		$ 3,100
Construction & Development [Member]
Nonperforming Assets [Abstract]
Nonaccrual loans		0	0
Troubled-debt restructurings	[1]	0	0
Accruing loans 90 or more days past due		0	0
Total nonperforming loans		0	0
1 - 4 Family Real Estate [Member]
Nonperforming Assets [Abstract]
Nonaccrual loans		0	0
Troubled-debt restructurings	[1]	0	0
Accruing loans 90 or more days past due		0	0
Total nonperforming loans		0	0
Commercial Real Estate - Other [Member]
Nonperforming Assets [Abstract]
Nonaccrual loans		2,708	3,043
Troubled-debt restructurings	[1]	0	0
Accruing loans 90 or more days past due		0	1,960
Total nonperforming loans		2,708	5,003
Commercial & Industrial [Member]
Nonperforming Assets [Abstract]
Nonaccrual loans		7,163	11,063
Troubled-debt restructurings	[1]	0	0
Accruing loans 90 or more days past due		401	0
Total nonperforming loans		7,564	11,063
TDR loans impaired			10,900
Agricultural [Member]
Nonperforming Assets [Abstract]
Nonaccrual loans		0	469
Troubled-debt restructurings	[1]	0	0
Accruing loans 90 or more days past due		77	0
Total nonperforming loans		77	469
TDR loans impaired			469
Consumer [Member]
Nonperforming Assets [Abstract]
Nonaccrual loans		14	0
Troubled-debt restructurings	[1]	0	0
Accruing loans 90 or more days past due		18	0
Total nonperforming loans		$ 32	$ 0

[1] $1.4 million and $12.98 million of TDRs as of December 31, 2021 and December 31, 2020, respectively, are included in the nonaccrual loans balance in the line above.