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Note 3 - Loans Receivable and Allowance for Credit Losses - Loans - Schedule of Past Due Loans (Details) - USD ($) $ in Thousands		Jun. 30, 2025	Dec. 31, 2024
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		$ 2,614,461	$ 2,533,821
Financing Receivable, Nonaccrual	[1]	18,996	13,601
Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		4,050	8,967
Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		1,827	2,191
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		14,844	11,073
Financial Asset, Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		20,721	22,231
Financial Asset, Not Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		2,593,740	2,511,590
Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		916,137	871,337
Financing Receivable, Nonaccrual	[1]	11,129	7,750
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		0	845
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		0	0
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		9,927	6,604
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		9,927	7,449
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		906,210	863,888
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		180,250	170,396
Financing Receivable, Nonaccrual	[1]	2,046	2,771
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		0	845
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		0	0
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		844	1,625
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Financial Asset, Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		844	2,470
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied [Member] | Financial Asset, Not Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		179,406	167,926
Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		171,979	174,921
Financing Receivable, Nonaccrual	[1]	0	0
Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		0	0
Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		0	0
Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		0	0
Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member] | Financial Asset, Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		0	0
Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member] | Financial Asset, Not Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		171,979	174,921
Commercial Real Estate Portfolio Segment [Member] | Commercial and Speculative Construction and Development [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		300,723	280,798
Financing Receivable, Nonaccrual	[1]	9,083	4,979
Commercial Real Estate Portfolio Segment [Member] | Commercial and Speculative Construction and Development [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		0	0
Commercial Real Estate Portfolio Segment [Member] | Commercial and Speculative Construction and Development [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		0	0
Commercial Real Estate Portfolio Segment [Member] | Commercial and Speculative Construction and Development [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		9,083	4,979
Commercial Real Estate Portfolio Segment [Member] | Commercial and Speculative Construction and Development [Member] | Financial Asset, Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		9,083	4,979
Commercial Real Estate Portfolio Segment [Member] | Commercial and Speculative Construction and Development [Member] | Financial Asset, Not Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		291,640	275,819
Commercial Real Estate Portfolio Segment [Member] | Multifamily [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		263,185	245,222
Financing Receivable, Nonaccrual	[1]	0	0
Commercial Real Estate Portfolio Segment [Member] | Multifamily [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		0	0
Commercial Real Estate Portfolio Segment [Member] | Multifamily [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		0	0
Commercial Real Estate Portfolio Segment [Member] | Multifamily [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		0	0
Commercial Real Estate Portfolio Segment [Member] | Multifamily [Member] | Financial Asset, Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		0	0
Commercial Real Estate Portfolio Segment [Member] | Multifamily [Member] | Financial Asset, Not Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		263,185	245,222
Residential Portfolio Segment [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		779,518	742,371
Financing Receivable, Nonaccrual	[1]	2,060	425
Residential Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		79	3,349
Residential Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		0	253
Residential Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		1,596	327
Residential Portfolio Segment [Member] | Financial Asset, Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		1,675	3,929
Residential Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		777,843	738,442
Residential Portfolio Segment [Member] | One-to-four Family Loan [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		639,881	617,322
Financing Receivable, Nonaccrual	[1]	1,809	164
Residential Portfolio Segment [Member] | One-to-four Family Loan [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		0	2,507
Residential Portfolio Segment [Member] | One-to-four Family Loan [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		0	253
Residential Portfolio Segment [Member] | One-to-four Family Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		1,470	76
Residential Portfolio Segment [Member] | One-to-four Family Loan [Member] | Financial Asset, Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		1,470	2,836
Residential Portfolio Segment [Member] | One-to-four Family Loan [Member] | Financial Asset, Not Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		638,411	614,486
Residential Portfolio Segment [Member] | Home Equity Loan [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		85,613	75,147
Financing Receivable, Nonaccrual	[1]	251	261
Residential Portfolio Segment [Member] | Home Equity Loan [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		79	20
Residential Portfolio Segment [Member] | Home Equity Loan [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		0	0
Residential Portfolio Segment [Member] | Home Equity Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		126	251
Residential Portfolio Segment [Member] | Home Equity Loan [Member] | Financial Asset, Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		205	271
Residential Portfolio Segment [Member] | Home Equity Loan [Member] | Financial Asset, Not Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		85,408	74,876
Residential Portfolio Segment [Member] | Residential Custom Construction [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		54,024	49,902
Financing Receivable, Nonaccrual	[1]	0	0
Residential Portfolio Segment [Member] | Residential Custom Construction [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		0	822
Residential Portfolio Segment [Member] | Residential Custom Construction [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		0	0
Residential Portfolio Segment [Member] | Residential Custom Construction [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		0	0
Residential Portfolio Segment [Member] | Residential Custom Construction [Member] | Financial Asset, Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		0	822
Residential Portfolio Segment [Member] | Residential Custom Construction [Member] | Financial Asset, Not Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		54,024	49,080
Consumer Portfolio Segment [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		606,291	620,181
Financing Receivable, Nonaccrual	[1]	3,945	1,980
Consumer Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		3,971	4,655
Consumer Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		1,827	1,938
Consumer Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		1,459	811
Consumer Portfolio Segment [Member] | Financial Asset, Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		7,257	7,404
Consumer Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		599,034	612,777
Consumer Portfolio Segment [Member] | Indirect Home Improvement Loan [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		530,375	541,946
Financing Receivable, Nonaccrual	[1]	3,365	1,677
Consumer Portfolio Segment [Member] | Indirect Home Improvement Loan [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		3,657	3,920
Consumer Portfolio Segment [Member] | Indirect Home Improvement Loan [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		1,744	1,787
Consumer Portfolio Segment [Member] | Indirect Home Improvement Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		1,408	758
Consumer Portfolio Segment [Member] | Indirect Home Improvement Loan [Member] | Financial Asset, Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		6,809	6,465
Consumer Portfolio Segment [Member] | Indirect Home Improvement Loan [Member] | Financial Asset, Not Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		523,566	535,481
Consumer Portfolio Segment [Member] | Marine Loans [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		72,765	74,931
Financing Receivable, Nonaccrual	[1]	567	289
Consumer Portfolio Segment [Member] | Marine Loans [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		307	718
Consumer Portfolio Segment [Member] | Marine Loans [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		50	150
Consumer Portfolio Segment [Member] | Marine Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		39	40
Consumer Portfolio Segment [Member] | Marine Loans [Member] | Financial Asset, Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		396	908
Consumer Portfolio Segment [Member] | Marine Loans [Member] | Financial Asset, Not Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		72,369	74,023
Consumer Portfolio Segment [Member] | Other Consumer Loan [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		3,151	3,304
Financing Receivable, Nonaccrual	[1]	13	14
Consumer Portfolio Segment [Member] | Other Consumer Loan [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		7	17
Consumer Portfolio Segment [Member] | Other Consumer Loan [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		33	1
Consumer Portfolio Segment [Member] | Other Consumer Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		12	13
Consumer Portfolio Segment [Member] | Other Consumer Loan [Member] | Financial Asset, Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		52	31
Consumer Portfolio Segment [Member] | Other Consumer Loan [Member] | Financial Asset, Not Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		3,099	3,273
Commercial Business Portfolio Segment [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		312,515	299,932
Financing Receivable, Nonaccrual	[1]	1,862	3,446
Commercial Business Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		0	118
Commercial Business Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		0	0
Commercial Business Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		1,862	3,331
Commercial Business Portfolio Segment [Member] | Financial Asset, Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		1,862	3,449
Commercial Business Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		310,653	296,483
Commercial Business Portfolio Segment [Member] | Commercial And Industrial [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		294,563	287,014
Financing Receivable, Nonaccrual	[1]	1,862	3,446
Commercial Business Portfolio Segment [Member] | Commercial And Industrial [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		0	118
Commercial Business Portfolio Segment [Member] | Commercial And Industrial [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		0	0
Commercial Business Portfolio Segment [Member] | Commercial And Industrial [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		1,862	3,331
Commercial Business Portfolio Segment [Member] | Commercial And Industrial [Member] | Financial Asset, Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		1,862	3,449
Commercial Business Portfolio Segment [Member] | Commercial And Industrial [Member] | Financial Asset, Not Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		292,701	283,565
Commercial Business Portfolio Segment [Member] | Warehouse Lending Loan [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		17,952	12,918
Financing Receivable, Nonaccrual	[1]	0	0
Commercial Business Portfolio Segment [Member] | Warehouse Lending Loan [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		0	0
Commercial Business Portfolio Segment [Member] | Warehouse Lending Loan [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		0	0
Commercial Business Portfolio Segment [Member] | Warehouse Lending Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		0	0
Commercial Business Portfolio Segment [Member] | Warehouse Lending Loan [Member] | Financial Asset, Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		0	0
Commercial Business Portfolio Segment [Member] | Warehouse Lending Loan [Member] | Financial Asset, Not Past Due [Member]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		$ 17,952	$ 12,918
[1] Includes loans less than 90 days past due as applicable.

X

- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, of 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

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B

Reference 3: 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

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- Definition

Amortized cost excluding accrued interest, of financing receivable on nonaccrual status. 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 16
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-16

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