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Note 4 - Loans Receivable - Loans Receivable (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Jun. 30, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Dec. 31, 2022
Loans receivable	$ 931,838		$ 1,059,106
Allowance for credit losses	(7,899)	$ (8,142)	(8,345)	$ (8,559)	$ (9,226)	$ (8,129)
Loans, net	923,939		1,050,761
Commercial Portfolio Segment [Member]
Loans receivable	280,218		393,321
Allowance for credit losses	(1,329)	(1,524)	(2,303)	(2,535)	(2,943)	(2,548)
Consumer Portfolio Segment [Member]
Loans receivable	1,847		1,364
Allowance for credit losses	(56)	(54)	(32)	(31)	(33)	(49)
One-to-Four Family Residential Real Estate [Member] | Real Estate Portfolio [Member]
Loans receivable	15,634		18,945
Allowance for credit losses	(294)	(324)	(295)	(296)	(326)	(281)
Multi-family Mortgage [Member] | Real Estate Portfolio [Member]
Loans receivable	524,340		527,460
Allowance for credit losses	(4,805)	(4,843)	(4,549)	(4,547)	(4,679)	(4,017)
Nonresidential Real Estate [Member] | Real Estate Portfolio [Member]
Loans receivable	109,799		118,016
Allowance for credit losses	$ (1,415)	$ (1,397)	$ (1,166)	$ (1,150)	$ (1,245)	$ (1,234)

X

- Definition

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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