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Note 4 - Loans Receivable and Allowance for Credit Losses on Loans - Schedule of Portfolio Loan Composition (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Financing Receivable, Gross | $ 2,446,858 | $ 2,433,015
ACL on loans | (31,479) | (31,534)
Total loans receivable, net | 2,415,379 | 2,401,481
Real Estate Portfolio Segment [Member] |  |
Financing Receivable, Gross | 1,536,184 | 1,530,381
Real Estate Portfolio Segment [Member] | Commercial Real Estate [Member] |  |
Financing Receivable, Gross | 359,055 | 366,328
Real Estate Portfolio Segment [Member] | Construction Loans [Member] |  |
Financing Receivable, Gross | 301,346 | 303,054
Real Estate Portfolio Segment [Member] | Home Equity Loan [Member] |  |
Financing Receivable, Gross | 73,323 | 69,488
Real Estate Portfolio Segment [Member] | One-to-four Family Loan [Member] |  |
Financing Receivable, Gross | 580,050 | 567,742
Real Estate Portfolio Segment [Member] | Multifamily [Member] |  |
Financing Receivable, Gross | 222,410 | 223,769
Consumer Portfolio Segment [Member] |  |
Financing Receivable, Gross | 646,132 | 646,753
Consumer Portfolio Segment [Member] | Indirect Home Improvement Loan [Member] |  |
Financing Receivable, Gross | 568,802 | 569,903
Consumer Portfolio Segment [Member] | Marine Loans [Member] |  |
Financing Receivable, Gross | 73,921 | 73,310
Consumer Portfolio Segment [Member] | Other Consumer Loan [Member] |  |
Financing Receivable, Gross | 3,409 | 3,540
Commercial Business Portfolio Segment [Member] |  |
Financing Receivable, Gross | 264,542 | 255,881
Commercial Business Portfolio Segment [Member] | Commercial And Industrial [Member] |  |
Financing Receivable, Gross | 256,429 | 238,301
Commercial Business Portfolio Segment [Member] | Warehouse Lending Loan [Member] |  |
Financing Receivable, Gross | $ 8,113 | $ 17,580

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