Note 4 - Loans Receivable and Credit Disclosures - Loans Receivable Credit Quality Indicators (Details) $ in Thousands	Dec. 31, 2022 USD ($)
Loans receivable	$ 940,390
Pass [Member]
Loans receivable	794,529
Watch [Member]
Loans receivable	109,282
Special Mention [Member]
Loans receivable	116
Substandard [Member]
Loans receivable	22,903
Substandard Impaired [Member]
Loans receivable	13,560
Construction Real Estate [Member]
Loans receivable	51,253
Construction Real Estate [Member] \| Pass [Member]
Loans receivable	51,253
Construction Real Estate [Member] \| Watch [Member]
Loans receivable	0
Construction Real Estate [Member] \| Special Mention [Member]
Loans receivable	0
Construction Real Estate [Member] \| Substandard [Member]
Loans receivable	0
Construction Real Estate [Member] \| Substandard Impaired [Member]
Loans receivable	0
Multifamily [Member]
Loans receivable	185,784
Multifamily [Member] \| Pass [Member]
Loans receivable	174,048
Multifamily [Member] \| Watch [Member]
Loans receivable	9,344
Multifamily [Member] \| Special Mention [Member]
Loans receivable	0
Multifamily [Member] \| Substandard [Member]
Loans receivable	2,392
Multifamily [Member] \| Substandard Impaired [Member]
Loans receivable	0
Commercial Real Estate Portfolio Segment [Member]
Loans receivable	353,285
Commercial Real Estate Portfolio Segment [Member] \| Pass [Member]
Loans receivable	264,898
Commercial Real Estate Portfolio Segment [Member] \| Watch [Member]
Loans receivable	62,076
Commercial Real Estate Portfolio Segment [Member] \| Special Mention [Member]
Loans receivable	0
Commercial Real Estate Portfolio Segment [Member] \| Substandard [Member]
Loans receivable	13,458
Commercial Real Estate Portfolio Segment [Member] \| Substandard Impaired [Member]
Loans receivable	12,853
Agriculture Real Estate [Member]
Loans receivable	159,448
Agriculture Real Estate [Member] \| Pass [Member]
Loans receivable	136,043
Agriculture Real Estate [Member] \| Watch [Member]
Loans receivable	18,324
Agriculture Real Estate [Member] \| Special Mention [Member]
Loans receivable	0
Agriculture Real Estate [Member] \| Substandard [Member]
Loans receivable	4,916
Agriculture Real Estate [Member] \| Substandard Impaired [Member]
Loans receivable	165
Commercial Portfolio Segment [Member]
Loans receivable	77,265
Commercial Portfolio Segment [Member] \| Pass [Member]
Loans receivable	69,872
Commercial Portfolio Segment [Member] \| Watch [Member]
Loans receivable	5,392
Commercial Portfolio Segment [Member] \| Special Mention [Member]
Loans receivable	116
Commercial Portfolio Segment [Member] \| Substandard [Member]
Loans receivable	1,685
Commercial Portfolio Segment [Member] \| Substandard Impaired [Member]
Loans receivable	200
Agriculture [Member]
Loans receivable	113,355
Agriculture [Member] \| Pass [Member]
Loans receivable	98,415
Agriculture [Member] \| Watch [Member]
Loans receivable	14,146
Agriculture [Member] \| Special Mention [Member]
Loans receivable	0
Agriculture [Member] \| Substandard [Member]
Loans receivable	452
Agriculture [Member] \| Substandard Impaired [Member]
Loans receivable	$ 342

Note 4 - Loans Receivable and Credit Disclosures - Loans Receivable Credit Quality Indicators (Details)
$ in Thousands

Dec. 31, 2022

USD ($)

Loans receivable

$ 940,390

794,529

109,282

Special Mention [Member]