Loans, Allowance for Loan Losses (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Jun. 30, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Dec. 31, 2020
Summary of allowance for loan losses into amount required for loans individually evaluated for impairment and the amount required for loans collectively evaluated for impairment [Abstract]
Individually evaluated for impairment	$ 107		$ 121	$ 269
Collectively evaluated for impairment	18,184		17,183	17,065
Total	18,291	$ 17,570	17,304	17,334	$ 16,931	$ 15,815
Real Estate Loans [Member] | Residential [Member]
Summary of allowance for loan losses into amount required for loans individually evaluated for impairment and the amount required for loans collectively evaluated for impairment [Abstract]
Individually evaluated for impairment	6		12	16
Collectively evaluated for impairment	999		1,135	1,174
Total	1,005	1,015	1,147	1,190	1,174	1,174
Real Estate Loans [Member] | Commercial [Member]
Summary of allowance for loan losses into amount required for loans individually evaluated for impairment and the amount required for loans collectively evaluated for impairment [Abstract]
Individually evaluated for impairment	60		61	97
Collectively evaluated for impairment	9,877		8,038	7,581
Total	9,937	9,216	8,099	7,678	7,106	6,216
Real Estate Loans [Member] | Agricultural [Member]
Summary of allowance for loan losses into amount required for loans individually evaluated for impairment and the amount required for loans collectively evaluated for impairment [Abstract]
Individually evaluated for impairment	24		14	12
Collectively evaluated for impairment	4,514		4,715	4,734
Total	4,538	4,484	4,729	4,746	4,706	4,953
Real Estate Loans [Member] | Construction [Member]
Summary of allowance for loan losses into amount required for loans individually evaluated for impairment and the amount required for loans collectively evaluated for impairment [Abstract]
Individually evaluated for impairment	0		0	0
Collectively evaluated for impairment	678		434	538
Total	678	563	434	538	496	122
Consumer [Member]
Summary of allowance for loan losses into amount required for loans individually evaluated for impairment and the amount required for loans collectively evaluated for impairment [Abstract]
Individually evaluated for impairment	4		0	0
Collectively evaluated for impairment	228		262	318
Total	232	464	262	318	85	321
Other Commercial Loans [Member]
Summary of allowance for loan losses into amount required for loans individually evaluated for impairment and the amount required for loans collectively evaluated for impairment [Abstract]
Individually evaluated for impairment	13		34	35
Collectively evaluated for impairment	380		989	1,096
Total	393	1,173	1,023	1,131	1,328	1,226
Other Agricultural Loans [Member]
Summary of allowance for loan losses into amount required for loans individually evaluated for impairment and the amount required for loans collectively evaluated for impairment [Abstract]
Individually evaluated for impairment	0		0	109
Collectively evaluated for impairment	1,359		558	339
Total	1,359	446	558	448	583	864
State and Political Subdivision Loans [Member]
Summary of allowance for loan losses into amount required for loans individually evaluated for impairment and the amount required for loans collectively evaluated for impairment [Abstract]
Individually evaluated for impairment	0		0	0
Collectively evaluated for impairment	325		281	296
Total	325	323	281	296	404	479
Unallocated [Member]
Summary of allowance for loan losses into amount required for loans individually evaluated for impairment and the amount required for loans collectively evaluated for impairment [Abstract]
Individually evaluated for impairment	0		0	0
Collectively evaluated for impairment	(176)		771	989
Total	$ (176)	$ (114)	$ 771	$ 989	$ 1,049	$ 460