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Note 7 - Loans Receivable and Credit Disclosures - Credit Risk Profile by Internally Assigned Grade (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Balance	$ 1,248,108	$ 1,241,708
Pass [Member]
Balance		794,529
Watch [Member]
Balance		109,282
Special Mention [Member]
Balance		116
Substandard [Member]
Balance		22,903
Substandard Impaired [Member]
Balance		13,560
Internal Noninvestment Grade [Member]
Balance		940,390
Construction Real Estate [Member]
Balance	64,734	51,253
Construction Real Estate [Member] | Pass [Member]
Balance		51,253
Construction Real Estate [Member] | Watch [Member]
Balance		0
Construction Real Estate [Member] | Special Mention [Member]
Balance		0
Construction Real Estate [Member] | Substandard [Member]
Balance		0
Construction Real Estate [Member] | Substandard Impaired [Member]
Balance		0
Construction Real Estate [Member] | Internal Noninvestment Grade [Member]
Balance		51,253
Multifamily [Member]
Balance	193,197	185,784
Multifamily [Member] | Pass [Member]
Balance		174,048
Multifamily [Member] | Watch [Member]
Balance		9,344
Multifamily [Member] | Special Mention [Member]
Balance		0
Multifamily [Member] | Substandard [Member]
Balance		2,392
Multifamily [Member] | Substandard Impaired [Member]
Balance		0
Multifamily [Member] | Internal Noninvestment Grade [Member]
Balance		185,784
Commercial Real Estate Portfolio Segment [Member]
Balance	345,647	353,285
Commercial Real Estate Portfolio Segment [Member] | Pass [Member]
Balance		264,898
Commercial Real Estate Portfolio Segment [Member] | Watch [Member]
Balance		62,076
Commercial Real Estate Portfolio Segment [Member] | Special Mention [Member]
Balance		0
Commercial Real Estate Portfolio Segment [Member] | Substandard [Member]
Balance		13,458
Commercial Real Estate Portfolio Segment [Member] | Substandard Impaired [Member]
Balance		12,853
Commercial Real Estate Portfolio Segment [Member] | Internal Noninvestment Grade [Member]
Balance		353,285
Agriculture Real Estate [Member]
Balance	161,963	159,448
Agriculture Real Estate [Member] | Pass [Member]
Balance		136,043
Agriculture Real Estate [Member] | Watch [Member]
Balance		18,324
Agriculture Real Estate [Member] | Special Mention [Member]
Balance		0
Agriculture Real Estate [Member] | Substandard [Member]
Balance		4,916
Agriculture Real Estate [Member] | Substandard Impaired [Member]
Balance		165
Agriculture Real Estate [Member] | Internal Noninvestment Grade [Member]
Balance		159,448
Commercial Portfolio Segment [Member]
Balance	87,004	77,265
Commercial Portfolio Segment [Member] | Pass [Member]
Balance		69,872
Commercial Portfolio Segment [Member] | Watch [Member]
Balance		5,392
Commercial Portfolio Segment [Member] | Special Mention [Member]
Balance		116
Commercial Portfolio Segment [Member] | Substandard [Member]
Balance		1,685
Commercial Portfolio Segment [Member] | Substandard Impaired [Member]
Balance		200
Commercial Portfolio Segment [Member] | Internal Noninvestment Grade [Member]
Balance		77,265
Agriculture [Member]
Balance	$ 98,820	113,355
Agriculture [Member] | Pass [Member]
Balance		98,415
Agriculture [Member] | Watch [Member]
Balance		14,146
Agriculture [Member] | Special Mention [Member]
Balance		0
Agriculture [Member] | Substandard [Member]
Balance		452
Agriculture [Member] | Substandard Impaired [Member]
Balance		342
Agriculture [Member] | Internal Noninvestment Grade [Member]
Balance		$ 113,355

X

- Definition

Amortized cost, before allowance for credit loss, fee, and loan in process, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-5

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481990/310-10-45-2

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(7))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1

+ Details

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