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Note 3 - Loans Receivable and Allowance for Credit Losses on Loans - Schedule of Allowance for Credit Losses by Category (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Beginning balance	$ 31,238	$ 30,350	$ 31,534	$ 27,992	$ 27,992
Provision for (reversal of) credit losses on loans	1,591	684	4,013	4,102
Charge-offs	(1,964)	(830)	(5,606)	(2,426)	(3,476)
Recoveries	367	297	1,291	833
Net (charge-offs) recoveries	(1,597)	(533)	(4,315)	(1,593)
Total ending ACL balance	31,232	30,501	31,232	30,501	31,534
Real Estate Portfolio Segment [Member]
Beginning balance	14,088	12,307	14,107	12,123	12,123
Provision for (reversal of) credit losses on loans	46	496	27	690
Charge-offs	0	0	0	(10)
Recoveries	0	0	0	0
Net (charge-offs) recoveries	0	0	0	(10)
Total ending ACL balance	14,134	12,803	14,134	12,803	14,107
Consumer Portfolio Segment [Member]
Beginning balance	13,253	14,017	13,357	12,109	12,109
Provision for (reversal of) credit losses on loans	2,102	426	3,660	3,383
Charge-offs	(1,964)	(830)	(4,465)	(2,415)
Recoveries	361	297	1,200	833
Net (charge-offs) recoveries	(1,603)	(533)	(3,265)	(1,582)
Total ending ACL balance	13,752	13,910	13,752	13,910	13,357
Commercial Business Portfolio Segment [Member]
Beginning balance	3,897	4,026	4,070	3,760	3,760
Provision for (reversal of) credit losses on loans	(557)	(238)	326	29
Charge-offs	0	0	(1,141)	(1)
Recoveries	6	0	91	0
Net (charge-offs) recoveries	6	0	(1,050)	(1)
Total ending ACL balance	3,346	3,788	3,346	3,788	4,070
Unallocated Financing Receivables [Member]
Beginning balance	0	0	0	0	0
Provision for (reversal of) credit losses on loans	0	0	0	0
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Net (charge-offs) recoveries	0	0	0	0
Total ending ACL balance	$ 0	$ 0	$ 0	$ 0	$ 0

X

- Definition

Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

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X

- Definition

Amount, excluding accrued interest, of increase in allowance for credit loss on financing receivable from recovery. Excludes 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 13
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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X

- Definition

Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes 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 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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- Definition

Amount, excluding accrued interest, of decrease (increase) in allowance for credit loss on financing receivable from writeoff (recovery). Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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X

- Definition

Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable. Excludes 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 13
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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