Note 6 - Borrowings (Details Textual) - USD ($) $ in Thousands	6 Months Ended
Jun. 30, 2026	Dec. 31, 2025
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged	$ 19,200	$ 19,800
Residential Portfolio Segment [Member] \| One to Four Family [Member]
Federal Home Loan Bank Advances, Maximum Percentage of Loan Carrying Value	76.00%
Residential Portfolio Segment [Member] \| Multi-family Loan [Member]
Federal Home Loan Bank Advances, Maximum Percentage of Loan Carrying Value	73.00%
Residential Portfolio Segment [Member] \| Home Equity Loan [Member]
Federal Home Loan Bank Advances, Maximum Percentage of Loan Carrying Value	62.00%
Federal Home Loan Bank of Chicago [Member]
Federal Home Loan Bank, Advance, Maturity, Remainder of Fiscal Year	$ 192,419	216,084
Long-Term Federal Home Loan Bank Advances	213,000
Federal Home Loan Bank, Advances, General Debt Obligations, Amount of Available, Unused Funds	383,100
Federal Home Loan Bank of Chicago [Member] \| Federal Home Loan Bank, Advances, Callable Option [Member]
Long-Term Federal Home Loan Bank Advances	110,000
Repurchase Agreements [Member]
Line of Credit Facility, Maximum Borrowing Capacity	50,000
Short-Term Debt	$ 6,609	$ 6,174

Amount of advances or credit lines available from the Federal Home Loan Bank (FHLB).

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Amount of the collateral pledged in support of federal home loan bank advances outstanding.

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Including both current and noncurrent portions, Federal Home Loan Bank borrowings initially due beyond one year or beyond the normal operating cycle if longer.

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Amount of advance from Federal Home Loan Bank (FHLBank) maturing in remainder of current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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Represents the maximum percentage of loan carrying value for federal home loan bank advances.

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