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Note 4 - Loans Receivable and Allowance for Credit Losses on Loans - Schedule of Portfolio Loan Composition (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | --- | --- | ---
Financing Receivable, Gross | $ 2,533,821 | $ 2,433,015 |  |
ACL on loans | (31,870) | (31,534) | $ (27,992) | $ (25,635)
Total loans receivable, net | 2,501,951 | 2,401,481 |  |
Real Estate Portfolio Segment [Member] |  |  |  |
Financing Receivable, Gross | 1,613,708 | 1,530,381 |  |
ACL on loans | (14,441) | (14,107) | (12,123) | (14,798)
Real Estate Portfolio Segment [Member] | Commercial Real Estate [Member] |  |  |  |
Financing Receivable, Gross | 345,317 | 366,328 |  |
Real Estate Portfolio Segment [Member] | Construction Loans [Member] |  |  |  |
Financing Receivable, Gross | 330,700 | 303,054 |  |
Real Estate Portfolio Segment [Member] | Home Equity Loan [Member] |  |  |  |
Financing Receivable, Gross | 75,147 | 69,488 |  |
Real Estate Portfolio Segment [Member] | One-to-four Family Loan [Member] |  |  |  |
Financing Receivable, Gross | 617,322 | 567,742 |  |
Real Estate Portfolio Segment [Member] | Multifamily [Member] |  |  |  |
Financing Receivable, Gross | 245,222 | 223,769 |  |
Consumer Portfolio Segment [Member] |  |  |  |
Financing Receivable, Gross | 620,181 | 646,753 |  |
ACL on loans | (14,185) | (13,357) | (12,109) | (4,280)
Consumer Portfolio Segment [Member] | Indirect Home Improvement Loan [Member] |  |  |  |
Financing Receivable, Gross | 541,946 | 569,903 |  |
Consumer Portfolio Segment [Member] | Marine Loans [Member] |  |  |  |
Financing Receivable, Gross | 74,931 | 73,310 |  |
Consumer Portfolio Segment [Member] | Other Consumer Loan [Member] |  |  |  |
Financing Receivable, Gross | 3,304 | 3,540 |  |
Commercial Business Portfolio Segment [Member] |  |  |  |
Financing Receivable, Gross | 299,932 | 255,881 |  |
ACL on loans | (3,244) | (4,070) | $ (3,760) | $ (6,536)
Commercial Business Portfolio Segment [Member] | Commercial And Industrial [Member] |  |  |  |
Financing Receivable, Gross | 287,014 | 238,301 |  |
Commercial Business Portfolio Segment [Member] | Warehouse Lending Loan [Member] |  |  |  |
Financing Receivable, Gross | $ 12,918 | $ 17,580 |  |

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- 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 + Details
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