Note 3 - Loans Receivable - Credit Quality Indicators by Class of Loan (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Originated current year	$ 215,693	$ 187,209
Originated prior year	172,224	207,004
Originated two years prior	129,175	421,327
Originated three years prior	359,625	374,153
Originated four years prior	337,693	211,204
Originated years prior	315,339	207,100
Revolving	98,363	87,826
Loan receivable, gross	1,628,112	1,695,823
Originated current year, write offs	1,677	2,105
Originated prior year, write offs	456	5,153
Originated two years prior, write offs	2,112	4,307
Originated three years prior, write offs	2,791	2,114
Originated four years prior, write offs	7,614	156
Originated years prior, write offs	718	237
Revolving, write offs	137	107
Loan receivable, gross, write offs	15,505	14,179
Pass [Member]
Originated current year	188,066	168,054
Originated prior year	148,459	181,094
Originated two years prior	117,518	401,447
Originated three years prior	313,333	333,687
Originated four years prior	289,741	205,774
Originated years prior	300,329	199,333
Revolving	96,518	85,258
Loan receivable, gross	1,453,964	1,574,647
Watch [Member]
Originated current year	12,943	10,490
Originated prior year	22,001	10,232
Originated two years prior	1,914	14,541
Originated three years prior	36,519	24,944
Originated four years prior	31,492	2,536
Originated years prior	10,796	4,471
Revolving	1,561	329
Loan receivable, gross	117,226	67,543
Substandard [Member]
Originated current year	10,074	8,437
Originated prior year	181	11,879
Originated two years prior	5,948	4,060
Originated three years prior	4,040	13,813
Originated four years prior	12,806	1,639
Originated years prior	2,203	476
Revolving	53	2,239
Loan receivable, gross	35,305	42,543
Real Estate Portfolio Segment [Member]
Loan receivable, gross	1,129,211	1,196,400
Real Estate Portfolio Segment [Member] | One-to-four Family Loan [Member]
Originated current year	7,571	1,596
Originated prior year	4,453	10,315
Originated two years prior	8,065	130,591
Originated three years prior	129,493	117,550
Originated four years prior	109,134	66,715
Originated years prior	118,015	68,548
Revolving	0	0
Loan receivable, gross	376,731	395,315
Originated current year, write offs	0	0
Originated prior year, write offs	0	0
Originated two years prior, write offs	0	0
Originated three years prior, write offs	0	0
Originated four years prior, write offs	0	0
Originated years prior, write offs	0	0
Revolving, write offs	0	0
Loan receivable, gross, write offs	0	0
Real Estate Portfolio Segment [Member] | One-to-four Family Loan [Member] | Pass [Member]
Originated current year	7,571	1,596
Originated prior year	4,066	10,315
Originated two years prior	8,065	130,021
Originated three years prior	128,413	116,245
Originated four years prior	109,134	64,869
Originated years prior	113,570	65,927
Revolving	0	0
Loan receivable, gross	370,819	388,973
Real Estate Portfolio Segment [Member] | One-to-four Family Loan [Member] | Watch [Member]
Originated current year	0	0
Originated prior year	387	0
Originated two years prior	0	297
Originated three years prior	292	1,305
Originated four years prior	0	1,006
Originated years prior	2,355	2,141
Revolving	0	0
Loan receivable, gross	3,034	4,749
Real Estate Portfolio Segment [Member] | One-to-four Family Loan [Member] | Special Mention [Member]
Originated current year	0	0
Originated prior year	0	0
Originated two years prior	0	0
Originated three years prior	529	0
Originated four years prior	0	0
Originated years prior	43	78
Revolving	0	0
Loan receivable, gross	572	78
Real Estate Portfolio Segment [Member] | One-to-four Family Loan [Member] | Substandard [Member]
Originated current year	0	0
Originated prior year	0	0
Originated two years prior	0	273
Originated three years prior	259	0
Originated four years prior	0	840
Originated years prior	2,047	402
Revolving	0	0
Loan receivable, gross	2,306	1,515
Real Estate Portfolio Segment [Member] | Multi-family Loan [Member]
Originated current year	18,437	28,626
Originated prior year	27,470	35,119
Originated two years prior	21,123	107,683
Originated three years prior	102,842	97,730
Originated four years prior	75,980	51,163
Originated years prior	42,677	12,275
Revolving	0	0
Loan receivable, gross	288,529	332,596
Originated current year, write offs	0	0
Originated prior year, write offs	0	0
Originated two years prior, write offs	0	0
Originated three years prior, write offs	0	0
Originated four years prior, write offs	0	0
Originated years prior, write offs	0	0
Revolving, write offs	0	0
Loan receivable, gross, write offs	0	0
Real Estate Portfolio Segment [Member] | Multi-family Loan [Member] | Pass [Member]
Originated current year	8,081	19,871
Originated prior year	17,738	31,334
Originated two years prior	17,820	105,919
Originated three years prior	80,638	74,679
Originated four years prior	51,091	49,885
Originated years prior	37,775	11,299
Revolving	0	0
Loan receivable, gross	213,143	292,987
Real Estate Portfolio Segment [Member] | Multi-family Loan [Member] | Watch [Member]
Originated current year	5,825	8,755
Originated prior year	9,732	0
Originated two years prior	0	1,764
Originated three years prior	22,204	23,051
Originated four years prior	24,889	1,278
Originated years prior	4,902	976
Revolving	0	0
Loan receivable, gross	67,552	35,824
Real Estate Portfolio Segment [Member] | Multi-family Loan [Member] | Special Mention [Member]
Originated current year	4,531	0
Originated prior year	0	3,785
Originated two years prior	3,303	0
Originated three years prior	0	0
Originated four years prior	0	0
Originated years prior	0	0
Revolving	0	0
Loan receivable, gross	7,834	3,785
Real Estate Portfolio Segment [Member] | Commercial Real Estate [Member]
Originated current year	75,275	35,563
Originated prior year	28,749	55,293
Originated two years prior	44,009	82,439
Originated three years prior	67,202	109,416
Originated four years prior	92,918	75,437
Originated years prior	94,530	32,231
Revolving	0	0
Loan receivable, gross	402,683	390,379
Originated current year, write offs	985	0
Originated prior year, write offs	0	0
Originated two years prior, write offs	0	0
Originated three years prior, write offs	0	0
Originated four years prior, write offs	5,586	0
Originated years prior, write offs	0	0
Revolving, write offs	0	0
Loan receivable, gross, write offs	6,571	0
Real Estate Portfolio Segment [Member] | Commercial Real Estate [Member] | Pass [Member]
Originated current year	61,864	35,011
Originated prior year	21,177	51,514
Originated two years prior	44,009	72,064
Originated three years prior	50,828	97,421
Originated four years prior	70,765	74,182
Originated years prior	89,639	28,762
Revolving	0	0
Loan receivable, gross	338,282	358,954
Real Estate Portfolio Segment [Member] | Commercial Real Estate [Member] | Watch [Member]
Originated current year	3,671	552
Originated prior year	7,572	3,779
Originated two years prior	0	10,371
Originated three years prior	12,118	0
Originated four years prior	6,204	0
Originated years prior	3,120	767
Revolving	0	0
Loan receivable, gross	32,685	15,469
Real Estate Portfolio Segment [Member] | Commercial Real Estate [Member] | Special Mention [Member]
Originated current year	0	0
Originated prior year	0	0
Originated two years prior	0	0
Originated three years prior	4,251	0
Originated four years prior	3,419	1,255
Originated years prior	1,771	2,702
Revolving	0	0
Loan receivable, gross	9,441	3,957
Real Estate Portfolio Segment [Member] | Commercial Real Estate [Member] | Substandard [Member]
Originated current year	9,740	0
Originated prior year	0	0
Originated two years prior	0	4
Originated three years prior	5	11,995
Originated four years prior	12,530	0
Originated years prior	0	0
Revolving	0	0
Loan receivable, gross	22,275	11,999
Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Originated current year	26,259	29,233
Originated prior year	26,042	32,789
Originated two years prior	5,490	13,638
Originated three years prior	1,571	1,579
Originated four years prior	1,477	504
Originated years prior	429	367
Revolving	0	0
Loan receivable, gross	61,268	78,110
Originated current year, write offs	0	0
Originated prior year, write offs	0	4,389
Originated two years prior, write offs	1,884	0
Originated three years prior, write offs	0	0
Originated four years prior, write offs	0	0
Originated years prior, write offs	0	0
Revolving, write offs	0	0
Loan receivable, gross, write offs	1,884	4,389
Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Pass [Member]
Originated current year	26,259	20,870
Originated prior year	24,510	15,874
Originated two years prior	351	13,638
Originated three years prior	1,571	1,357
Originated four years prior	1,477	504
Originated years prior	422	327
Revolving	0	0
Loan receivable, gross	54,590	52,570
Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Watch [Member]
Originated current year	0	213
Originated prior year	1,532	5,531
Originated two years prior	0	0
Originated three years prior	0	222
Originated four years prior	0	0
Originated years prior	0	30
Revolving	0	0
Loan receivable, gross	1,532	5,996
Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Special Mention [Member]
Originated current year	0	228
Originated prior year	0	14
Originated two years prior	0	0
Originated three years prior	0	157
Originated four years prior	0	0
Originated years prior	9	38
Revolving	101	0
Loan receivable, gross	110	437
Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Substandard [Member]
Originated current year	0	8,150
Originated prior year	0	11,384
Originated two years prior	5,139	0
Originated three years prior	0	0
Originated four years prior	0	0
Originated years prior	7	10
Revolving	0	0
Loan receivable, gross	5,146	19,544
Consumer Portfolio Segment [Member]
Loan receivable, gross	368,590	347,930
Consumer Portfolio Segment [Member] | Home Equity Loan [Member]
Originated current year	6,552	5,901
Originated prior year	4,407	5,860
Originated two years prior	4,439	5,933
Originated three years prior	4,973	4,117
Originated four years prior	3,641	2,661
Originated years prior	6,220	4,692
Revolving	54,856	49,890
Loan receivable, gross	85,088	79,054
Originated current year, write offs	0	0
Originated prior year, write offs	0	0
Originated two years prior, write offs	0	0
Originated three years prior, write offs	0	0
Originated four years prior, write offs	0	0
Originated years prior, write offs	0	0
Revolving, write offs	0	0
Loan receivable, gross, write offs	0	0
Consumer Portfolio Segment [Member] | Home Equity Loan [Member] | Pass [Member]
Originated current year	6,552	5,779
Originated prior year	4,290	5,860
Originated two years prior	4,257	5,868
Originated three years prior	4,841	4,117
Originated four years prior	3,641	2,571
Originated years prior	6,138	4,620
Revolving	54,422	49,531
Loan receivable, gross	84,141	78,346
Consumer Portfolio Segment [Member] | Home Equity Loan [Member] | Watch [Member]
Originated current year	0	122
Originated prior year	117	0
Originated two years prior	182	65
Originated three years prior	132	0
Originated four years prior	0	35
Originated years prior	23	61
Revolving	280	326
Loan receivable, gross	734	609
Consumer Portfolio Segment [Member] | Home Equity Loan [Member] | Special Mention [Member]
Originated current year	79	0
Originated prior year	126	0
Originated two years prior	393	1,279
Originated three years prior	43	1,552
Originated four years prior	24	0
Originated years prior	76	2
Revolving	0	0
Loan receivable, gross	741	2,833
Consumer Portfolio Segment [Member] | Home Equity Loan [Member] | Substandard [Member]
Originated current year	0	0
Originated prior year	0	0
Originated two years prior	0	0
Originated three years prior	0	0
Originated four years prior	0	55
Originated years prior	50	11
Revolving	53	33
Loan receivable, gross	103	99
Consumer Portfolio Segment [Member] | Automobile and Other Loan [Member]
Originated current year	65,897	57,015
Originated prior year	55,989	47,762
Originated two years prior	33,071	66,204
Originated three years prior	43,417	36,444
Originated four years prior	51,154	12,618
Originated years prior	33,151	48,315
Revolving	823	518
Loan receivable, gross	283,502	268,876
Originated current year, write offs	0	0
Originated prior year, write offs	22	505
Originated two years prior, write offs	228	1,536
Originated three years prior, write offs	313	92
Originated four years prior, write offs	13	17
Originated years prior, write offs	32	237
Revolving, write offs	137	107
Loan receivable, gross, write offs	745	2,494
Consumer Portfolio Segment [Member] | Automobile and Other Loan [Member] | Pass [Member]
Originated current year	65,818	55,699
Originated prior year	54,755	46,719
Originated two years prior	30,871	65,193
Originated three years prior	41,590	36,235
Originated four years prior	50,744	12,268
Originated years prior	32,830	47,728
Revolving	822	518
Loan receivable, gross	277,430	264,360
Consumer Portfolio Segment [Member] | Automobile and Other Loan [Member] | Watch [Member]
Originated current year	0	848
Originated prior year	1,023	786
Originated two years prior	1,167	980
Originated three years prior	1,522	52
Originated four years prior	386	217
Originated years prior	146	496
Revolving	1	0
Loan receivable, gross	4,245	3,379
Consumer Portfolio Segment [Member] | Automobile and Other Loan [Member] | Special Mention [Member]
Originated current year	0	228
Originated prior year	1,457	3,799
Originated two years prior	99	1,279
Originated three years prior	910	1,709
Originated four years prior	211	1,255
Originated years prior	112	2,820
Revolving	130	0
Loan receivable, gross	2,919	11,090
Consumer Portfolio Segment [Member] | Automobile and Other Loan [Member] | Substandard [Member]
Originated current year	0	240
Originated prior year	85	243
Originated two years prior	640	31
Originated three years prior	262	0
Originated four years prior	0	133
Originated years prior	99	53
Revolving	0	0
Loan receivable, gross	1,086	700
Commercial Portfolio Segment [Member]
Originated current year	15,702	29,275
Originated prior year	25,114	19,866
Originated two years prior	12,978	14,839
Originated three years prior	10,127	7,317
Originated four years prior	3,389	2,106
Originated years prior	20,317	40,672
Revolving	42,684	37,418
Loan receivable, gross	130,311	151,493
Originated current year, write offs	692	2,105
Originated prior year, write offs	434	259
Originated two years prior, write offs	0	2,771
Originated three years prior, write offs	2,478	2,022
Originated four years prior, write offs	2,015	139
Originated years prior, write offs	686	0
Revolving, write offs	0	0
Loan receivable, gross, write offs	6,305	7,296
Commercial Portfolio Segment [Member] | Pass [Member]
Originated current year	11,921	29,228
Originated prior year	21,923	19,478
Originated two years prior	12,145	8,744
Originated three years prior	5,452	3,633
Originated four years prior	2,889	1,495
Originated years prior	19,955	40,670
Revolving	41,274	35,209
Loan receivable, gross	115,559	138,457
Commercial Portfolio Segment [Member] | Watch [Member]
Originated current year	3,447	0
Originated prior year	1,638	136
Originated two years prior	565	1,064
Originated three years prior	251	314
Originated four years prior	13	0
Originated years prior	250	0
Revolving	1,280	3
Loan receivable, gross	7,444	1,517
Commercial Portfolio Segment [Member] | Special Mention [Member]
Originated current year	4,610
Originated prior year	1,583
Originated two years prior	3,795
Originated three years prior	5,733
Originated four years prior	3,654
Originated years prior	2,011
Revolving	231
Loan receivable, gross	21,617
Commercial Portfolio Segment [Member] | Substandard [Member]
Originated current year	334	47
Originated prior year	96	252
Originated two years prior	169	3,752
Originated three years prior	3,514	1,818
Originated four years prior	276	611
Originated years prior	0	0
Revolving	0	2,206
Loan receivable, gross	$ 4,389	$ 8,686