Loans and Allowance for Credit Losses - Summary of Impaired Loans (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Dec. 31, 2023
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually Evaluated for Impairment	$ 850
Collectively Evaluated For Impairment	352,837
Total loans	353,687	$ 376,048
With an allowance recorded, Specific Allowance	221
Recorded Balance	850
Unpaid Principal Balance	1,120
Average Investment in Impaired Loans	904
Residential | 1-4 Family
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually Evaluated for Impairment	338
Collectively Evaluated For Impairment	119,272
Total loans	119,610
With an allowance recorded, Recorded Balance	338
With an allowance recorded, Unpaid Principal Balance	366
With an allowance recorded, Specific Allowance	193
With an allowance recorded, Average Investment in Impaired Loans	303
Residential | Multi-Family
Financing Receivable, Allowance for Credit Loss [Line Items]
Collectively Evaluated For Impairment	34,296
Total loans	34,296
Agriculture
Financing Receivable, Allowance for Credit Loss [Line Items]
Total loans		18,353
Agriculture | Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Collectively Evaluated For Impairment	9,245
Total loans	9,245
Agriculture | Non-Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Collectively Evaluated For Impairment	8,921
Total loans	8,921
Commercial | Non-Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually Evaluated for Impairment	29
Collectively Evaluated For Impairment	30,072
Total loans	30,101	34,068
With no related allowance recorded, Recorded Balance	1
With no related allowance recorded, Unpaid Principal Balance	103
With no related allowance recorded, Average Investment in Impaired Loans	6
With an allowance recorded, Recorded Balance	28
With an allowance recorded, Unpaid Principal Balance	43
With an allowance recorded, Specific Allowance	28
With an allowance recorded, Average Investment in Impaired Loans	35
Real Estate
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually Evaluated for Impairment		532
Real Estate | Commercial
Financing Receivable, Allowance for Credit Loss [Line Items]
Individually Evaluated for Impairment	483
Collectively Evaluated For Impairment	101,963
Total loans	102,446	$ 123,754
With no related allowance recorded, Recorded Balance	483
With no related allowance recorded, Unpaid Principal Balance	605
With no related allowance recorded, Average Investment in Impaired Loans	516
With an allowance recorded, Average Investment in Impaired Loans	42
SIDS
Financing Receivable, Allowance for Credit Loss [Line Items]
Collectively Evaluated For Impairment	5,468
Total loans	5,468
Consumer | Auto
Financing Receivable, Allowance for Credit Loss [Line Items]
Collectively Evaluated For Impairment	5,622
Total loans	5,622
With no related allowance recorded, Unpaid Principal Balance	3
Consumer | Other
Financing Receivable, Allowance for Credit Loss [Line Items]
Collectively Evaluated For Impairment	14,334
Total loans	14,334
With an allowance recorded, Average Investment in Impaired Loans	2
Construction and Land Development | Non-1-4 Family
Financing Receivable, Allowance for Credit Loss [Line Items]
Collectively Evaluated For Impairment	23,644
Total loans	$ 23,644