v3.26.1
Note 3 - Loans Receivable - Summary of Credit Quality Indicators (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Financing Receivable, Year One $ 25,029   $ 182,174
Financing Receivable, Year Two 180,960   136,827
Financing Receivable, Year Three 137,382   148,376
Financing Receivable, Year Four 144,674   408,669
Financing Receivable, Year Five 401,775   164,963
Financing Receivable Prior 594,343   447,426
Financing Receivable, Revolving 389,879   376,880
Financing Receivable, revolving converted to term 0   0
Collateral dependent loans 1,874,042   1,865,315
Current period gross write-offs, current 0   0
Current period gross write-offs, year one 0   200
Current period gross write-offs, year two 0   0
Current period gross write-offs, year three 0   0
Current period gross write-offs, year four 0   354
Current period gross write-offs, prior 282   304
Current period gross write-offs, revolving 0   0
Current period gross write-offs, revolving converted to term 0   0
Current period gross write-offs, total 282 $ (0) 858
Pass [Member]      
Financing Receivable, Year One 25,029   176,127
Financing Receivable, Year Two 171,259   135,214
Financing Receivable, Year Three 135,769   141,453
Financing Receivable, Year Four 126,831   334,637
Financing Receivable, Year Five 318,436   142,564
Financing Receivable Prior 517,178   391,944
Financing Receivable, Revolving 357,265   348,631
Financing Receivable, revolving converted to term 0   0
Collateral dependent loans 1,651,767   1,670,570
Criticized [Member]      
Financing Receivable, Year One 0   1,451
Financing Receivable, Year Two 1,451   1,613
Financing Receivable, Year Three 1,613   4,500
Financing Receivable, Year Four 0   37,018
Financing Receivable, Year Five 37,059   11,703
Financing Receivable Prior 64,616   52,572
Financing Receivable, Revolving 6,251   1,660
Financing Receivable, revolving converted to term 0   0
Collateral dependent loans 110,990   110,517
Classified [Member]      
Financing Receivable, Year One 0   4,596
Financing Receivable, Year Two 8,250   0
Financing Receivable, Year Three 0   2,423
Financing Receivable, Year Four 17,843   37,014
Financing Receivable, Year Five 46,280   10,696
Financing Receivable Prior 12,549   2,910
Financing Receivable, Revolving 26,363   26,589
Financing Receivable, revolving converted to term 0   0
Collateral dependent loans 111,285   84,228
Residential Portfolio Segment [Member]      
Current period gross write-offs, total 282 (0)  
Residential Portfolio Segment [Member] | Single Family [Member]      
Financing Receivable, Year One 4,900   29,333
Financing Receivable, Year Two 30,275   15,603
Financing Receivable, Year Three 12,768   37,511
Financing Receivable, Year Four 37,328   17,539
Financing Receivable, Year Five 18,622   33,157
Financing Receivable Prior 86,287   56,504
Financing Receivable, Revolving 24,191   26,332
Financing Receivable, revolving converted to term 0   0
Collateral dependent loans 214,371   215,979
Current period gross write-offs, current 0   0
Current period gross write-offs, year one 0   200
Current period gross write-offs, year two 0   0
Current period gross write-offs, year three 0   0
Current period gross write-offs, year four 0   0
Current period gross write-offs, prior 282   0
Current period gross write-offs, revolving 0   0
Current period gross write-offs, revolving converted to term 0   0
Current period gross write-offs, total 282   200
Residential Portfolio Segment [Member] | Single Family [Member] | Pass [Member]      
Financing Receivable, Year One 4,900   27,882
Financing Receivable, Year Two 28,824   15,103
Financing Receivable, Year Three 12,268   35,088
Financing Receivable, Year Four 34,233   16,171
Financing Receivable, Year Five 17,263   25,605
Financing Receivable Prior 77,779   54,528
Financing Receivable, Revolving 24,191   26,332
Financing Receivable, revolving converted to term 0   0
Collateral dependent loans 199,458   200,709
Residential Portfolio Segment [Member] | Single Family [Member] | Criticized [Member]      
Financing Receivable, Year One 0   1,451
Financing Receivable, Year Two 1,451   500
Financing Receivable, Year Three 500   0
Financing Receivable, Year Four 0   0
Financing Receivable, Year Five 0   0
Financing Receivable Prior 0   0
Financing Receivable, Revolving 0   0
Financing Receivable, revolving converted to term 0   0
Collateral dependent loans 1,951   1,951
Residential Portfolio Segment [Member] | Single Family [Member] | Classified [Member]      
Financing Receivable, Year One 0   0
Financing Receivable, Year Two 0   0
Financing Receivable, Year Three 0   2,423
Financing Receivable, Year Four 3,095   1,368
Financing Receivable, Year Five 1,359   7,552
Financing Receivable Prior 8,508   1,976
Financing Receivable, Revolving 0   0
Financing Receivable, revolving converted to term 0   0
Collateral dependent loans 12,962   13,319
Residential Portfolio Segment [Member] | Multifamily [Member]      
Financing Receivable, Year One 4,379   16,403
Financing Receivable, Year Two 20,403   23,525
Financing Receivable, Year Three 25,719   12,886
Financing Receivable, Year Four 13,585   61,257
Financing Receivable, Year Five 57,555   27,193
Financing Receivable Prior 86,059   58,812
Financing Receivable, Revolving 26,097   25,344
Financing Receivable, revolving converted to term 0   0
Collateral dependent loans 233,797   225,420
Current period gross write-offs, current 0   0
Current period gross write-offs, year one 0   0
Current period gross write-offs, year two 0   0
Current period gross write-offs, year three 0   0
Current period gross write-offs, year four 0   0
Current period gross write-offs, prior 0   0
Current period gross write-offs, revolving 0   0
Current period gross write-offs, revolving converted to term 0   0
Current period gross write-offs, total 0   0
Residential Portfolio Segment [Member] | Multifamily [Member] | Pass [Member]      
Financing Receivable, Year One 4,379   16,403
Financing Receivable, Year Two 16,703   23,525
Financing Receivable, Year Three 25,719   12,886
Financing Receivable, Year Four 13,585   19,383
Financing Receivable, Year Five 19,339   24,061
Financing Receivable Prior 75,057   51,381
Financing Receivable, Revolving 25,920   25,344
Financing Receivable, revolving converted to term 0   0
Collateral dependent loans 180,702   172,983
Residential Portfolio Segment [Member] | Multifamily [Member] | Criticized [Member]      
Financing Receivable, Year One 0   0
Financing Receivable, Year Two 0   0
Financing Receivable, Year Three 0   0
Financing Receivable, Year Four 0   8,177
Financing Receivable, Year Five 8,218   0
Financing Receivable Prior 7,878   7,431
Financing Receivable, Revolving 177   0
Financing Receivable, revolving converted to term 0   0
Collateral dependent loans 16,273   15,608
Residential Portfolio Segment [Member] | Multifamily [Member] | Classified [Member]      
Financing Receivable, Year One 0   0
Financing Receivable, Year Two 3,700   0
Financing Receivable, Year Three 0   0
Financing Receivable, Year Four 0   33,697
Financing Receivable, Year Five 29,998   3,132
Financing Receivable Prior 3,124   0
Financing Receivable, Revolving 0   0
Financing Receivable, revolving converted to term 0   0
Collateral dependent loans 36,822   36,829
Residential Portfolio Segment [Member] | Farmland [Member]      
Financing Receivable, Year One 0   0
Financing Receivable, Year Two 0   63
Financing Receivable, Year Three 59   0
Financing Receivable, Year Four 0   0
Financing Receivable, Year Five 0   0
Financing Receivable Prior 63   116
Financing Receivable, Revolving 0   0
Financing Receivable, revolving converted to term 0   0
Collateral dependent loans 122   179
Current period gross write-offs, current 0   0
Current period gross write-offs, year one 0   0
Current period gross write-offs, year two 0   0
Current period gross write-offs, year three 0   0
Current period gross write-offs, year four 0   0
Current period gross write-offs, prior 0   0
Current period gross write-offs, revolving 0   0
Current period gross write-offs, revolving converted to term 0   0
Current period gross write-offs, total 0   0
Residential Portfolio Segment [Member] | Farmland [Member] | Pass [Member]      
Financing Receivable, Year One 0   0
Financing Receivable, Year Two 0   63
Financing Receivable, Year Three 59   0
Financing Receivable, Year Four 0   0
Financing Receivable, Year Five 0   0
Financing Receivable Prior 63   116
Financing Receivable, Revolving 0   0
Financing Receivable, revolving converted to term 0   0
Collateral dependent loans 122   179
Commercial Real Estate Portfolio Segment [Member]      
Current period gross write-offs, total (0) (0)  
Commercial Real Estate Portfolio Segment [Member] | Owner-occupied [Member]      
Financing Receivable, Year One 14,101   87,190
Financing Receivable, Year Two 86,179   34,171
Financing Receivable, Year Three 34,063   84,124
Financing Receivable, Year Four 82,979   96,962
Financing Receivable, Year Five 96,235   35,029
Financing Receivable Prior 138,865   105,820
Financing Receivable, Revolving 7,311   5,243
Financing Receivable, revolving converted to term 0   0
Collateral dependent loans 459,733   448,539
Current period gross write-offs, current 0   0
Current period gross write-offs, year one 0   0
Current period gross write-offs, year two 0   0
Current period gross write-offs, year three 0   0
Current period gross write-offs, year four 0   0
Current period gross write-offs, prior 0   0
Current period gross write-offs, revolving 0   0
Current period gross write-offs, revolving converted to term 0   0
Current period gross write-offs, total 0   0
Commercial Real Estate Portfolio Segment [Member] | Owner-occupied [Member] | Pass [Member]      
Financing Receivable, Year One 14,101   87,190
Financing Receivable, Year Two 86,179   34,171
Financing Receivable, Year Three 34,063   79,624
Financing Receivable, Year Four 68,231   96,962
Financing Receivable, Year Five 96,235   35,029
Financing Receivable Prior 138,865   105,820
Financing Receivable, Revolving 7,076   5,008
Financing Receivable, revolving converted to term 0   0
Collateral dependent loans 444,750   443,804
Commercial Real Estate Portfolio Segment [Member] | Owner-occupied [Member] | Criticized [Member]      
Financing Receivable, Year One 0   0
Financing Receivable, Year Two 0   0
Financing Receivable, Year Three 0   4,500
Financing Receivable, Year Four 0   0
Financing Receivable, Year Five 0   0
Financing Receivable Prior 0   0
Financing Receivable, Revolving 235   0
Financing Receivable, revolving converted to term 0   0
Collateral dependent loans 235   4,500
Commercial Real Estate Portfolio Segment [Member] | Owner-occupied [Member] | Classified [Member]      
Financing Receivable, Year One 0   0
Financing Receivable, Year Two 0   0
Financing Receivable, Year Three 0   0
Financing Receivable, Year Four 14,748   0
Financing Receivable, Year Five 0   0
Financing Receivable Prior 0   0
Financing Receivable, Revolving 0   235
Financing Receivable, revolving converted to term 0   0
Collateral dependent loans 14,748   235
Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member]      
Financing Receivable, Year One 615   17,696
Financing Receivable, Year Two 17,659   41,270
Financing Receivable, Year Three 43,017   5,048
Financing Receivable, Year Four 4,961   205,857
Financing Receivable, Year Five 205,261   63,859
Financing Receivable Prior 271,622   217,848
Financing Receivable, Revolving 21,827   14,815
Financing Receivable, revolving converted to term 0   0
Collateral dependent loans 564,962   566,393
Current period gross write-offs, current 0   0
Current period gross write-offs, year one 0   0
Current period gross write-offs, year two 0   0
Current period gross write-offs, year three 0   0
Current period gross write-offs, year four 0   0
Current period gross write-offs, prior 0   0
Current period gross write-offs, revolving 0   0
Current period gross write-offs, revolving converted to term 0   0
Current period gross write-offs, total 0   0
Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member] | Pass [Member]      
Financing Receivable, Year One 615   17,696
Financing Receivable, Year Two 17,659   40,157
Financing Receivable, Year Three 41,904   5,048
Financing Receivable, Year Four 4,961   177,016
Financing Receivable, Year Five 161,497   52,156
Financing Receivable Prior 214,569   172,392
Financing Receivable, Revolving 21,827   14,815
Financing Receivable, revolving converted to term 0   0
Collateral dependent loans 463,032   479,280
Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member] | Criticized [Member]      
Financing Receivable, Year One 0   0
Financing Receivable, Year Two 0   1,113
Financing Receivable, Year Three 1,113   0
Financing Receivable, Year Four 0   28,841
Financing Receivable, Year Five 28,841   11,703
Financing Receivable Prior 56,738   45,141
Financing Receivable, Revolving 0   0
Financing Receivable, revolving converted to term 0   0
Collateral dependent loans 86,692   86,798
Commercial Real Estate Portfolio Segment [Member] | Non-owner Occupied [Member] | Classified [Member]      
Financing Receivable, Year One 0   0
Financing Receivable, Year Two 0   0
Financing Receivable, Year Three 0   0
Financing Receivable, Year Four 0   0
Financing Receivable, Year Five 14,923   0
Financing Receivable Prior 315   315
Financing Receivable, Revolving 0   0
Financing Receivable, revolving converted to term 0   0
Collateral dependent loans 15,238   315
Construction [Member] | Construction and Land Development [Member]      
Financing Receivable, Year One 189   8,075
Financing Receivable, Year Two 8,220   644
Financing Receivable, Year Three 642   3,212
Financing Receivable, Year Four 1,212   21,187
Financing Receivable, Year Five 18,435   476
Financing Receivable Prior 516   528
Financing Receivable, Revolving 269,829   266,544
Financing Receivable, revolving converted to term 0   0
Collateral dependent loans 299,043   300,666
Current period gross write-offs, current 0   0
Current period gross write-offs, year one 0   0
Current period gross write-offs, year two 0   0
Current period gross write-offs, year three 0   0
Current period gross write-offs, year four 0   35
Current period gross write-offs, prior 0   0
Current period gross write-offs, revolving 0   0
Current period gross write-offs, revolving converted to term 0   0
Current period gross write-offs, total 0   35
Construction [Member] | Construction and Land Development [Member] | Pass [Member]      
Financing Receivable, Year One 189   3,479
Financing Receivable, Year Two 3,670   644
Financing Receivable, Year Three 642   3,212
Financing Receivable, Year Four 1,212   19,238
Financing Receivable, Year Five 18,435   476
Financing Receivable Prior 516   528
Financing Receivable, Revolving 237,627   241,168
Financing Receivable, revolving converted to term 0   0
Collateral dependent loans 262,291   268,745
Construction [Member] | Construction and Land Development [Member] | Criticized [Member]      
Financing Receivable, Year One 0   0
Financing Receivable, Year Two 0   0
Financing Receivable, Year Three 0   0
Financing Receivable, Year Four 0   0
Financing Receivable, Year Five 0   0
Financing Receivable Prior 0   0
Financing Receivable, Revolving 5,839   1,660
Financing Receivable, revolving converted to term 0   0
Collateral dependent loans 5,839   1,660
Construction [Member] | Construction and Land Development [Member] | Classified [Member]      
Financing Receivable, Year One 0   4,596
Financing Receivable, Year Two 4,550   0
Financing Receivable, Year Three 0   0
Financing Receivable, Year Four 0   1,949
Financing Receivable, Year Five 0   0
Financing Receivable Prior 0   0
Financing Receivable, Revolving 26,363   23,716
Financing Receivable, revolving converted to term 0   0
Collateral dependent loans 30,913   30,261
Commercial Portfolio Segment [Member]      
Current period gross write-offs, total (0) (0)  
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]      
Financing Receivable, Year One 824   23,351
Financing Receivable, Year Two 18,108   21,404
Financing Receivable, Year Three 20,977   5,568
Financing Receivable, Year Four 4,584   5,753
Financing Receivable, Year Five 5,568   5,249
Financing Receivable Prior 10,822   7,627
Financing Receivable, Revolving 39,899   38,039
Financing Receivable, revolving converted to term 0   0
Collateral dependent loans 100,782   106,991
Current period gross write-offs, current 0   0
Current period gross write-offs, year one 0   0
Current period gross write-offs, year two 0   0
Current period gross write-offs, year three 0   0
Current period gross write-offs, year four 0   319
Current period gross write-offs, prior 0   304
Current period gross write-offs, revolving 0   0
Current period gross write-offs, revolving converted to term 0   0
Current period gross write-offs, total 0   623
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Pass [Member]      
Financing Receivable, Year One 824   23,351
Financing Receivable, Year Two 18,108   21,404
Financing Receivable, Year Three 20,977   5,568
Financing Receivable, Year Four 4,584   5,753
Financing Receivable, Year Five 5,568   5,237
Financing Receivable Prior 10,220   7,008
Financing Receivable, Revolving 39,899   35,401
Financing Receivable, revolving converted to term 0   0
Collateral dependent loans 100,180   103,722
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member] | Classified [Member]      
Financing Receivable, Year One 0   0
Financing Receivable, Year Two 0   0
Financing Receivable, Year Three 0   0
Financing Receivable, Year Four 0   0
Financing Receivable, Year Five 0   12
Financing Receivable Prior 602   619
Financing Receivable, Revolving 0   2,638
Financing Receivable, revolving converted to term 0   0
Collateral dependent loans 602   3,269
Consumer Portfolio Segment [Member]      
Current period gross write-offs, total (0) $ (0)  
Consumer Portfolio Segment [Member] | Unsecured [Member]      
Financing Receivable, Year One 0   0
Financing Receivable, Year Two 0   0
Financing Receivable, Year Three 0   0
Financing Receivable, Year Four 0   0
Financing Receivable, Year Five 0   0
Financing Receivable Prior 0   0
Financing Receivable, Revolving 134   210
Financing Receivable, revolving converted to term 0   0
Collateral dependent loans 134   210
Current period gross write-offs, current 0   0
Current period gross write-offs, year one 0   0
Current period gross write-offs, year two 0   0
Current period gross write-offs, year three 0   0
Current period gross write-offs, year four 0   0
Current period gross write-offs, prior 0   0
Current period gross write-offs, revolving 0   0
Current period gross write-offs, revolving converted to term 0   0
Current period gross write-offs, total 0   0
Consumer Portfolio Segment [Member] | Unsecured [Member] | Pass [Member]      
Financing Receivable, Year One 0   0
Financing Receivable, Year Two 0   0
Financing Receivable, Year Three 0   0
Financing Receivable, Year Four 0   0
Financing Receivable, Year Five 0   0
Financing Receivable Prior 0   0
Financing Receivable, Revolving 134   210
Financing Receivable, revolving converted to term 0   0
Collateral dependent loans 134   210
Consumer Portfolio Segment [Member] | Secured [Member]      
Financing Receivable, Year One 21   126
Financing Receivable, Year Two 116   147
Financing Receivable, Year Three 137   27
Financing Receivable, Year Four 25   114
Financing Receivable, Year Five 99   0
Financing Receivable Prior 109   171
Financing Receivable, Revolving 591   353
Financing Receivable, revolving converted to term 0   0
Collateral dependent loans 1,098   938
Current period gross write-offs, current 0   0
Current period gross write-offs, year one 0   0
Current period gross write-offs, year two 0   0
Current period gross write-offs, year three 0   0
Current period gross write-offs, year four 0   0
Current period gross write-offs, prior 0   0
Current period gross write-offs, revolving 0   0
Current period gross write-offs, revolving converted to term 0   0
Current period gross write-offs, total 0   0
Consumer Portfolio Segment [Member] | Secured [Member] | Pass [Member]      
Financing Receivable, Year One 21   126
Financing Receivable, Year Two 116   147
Financing Receivable, Year Three 137   27
Financing Receivable, Year Four 25   114
Financing Receivable, Year Five 99   0
Financing Receivable Prior 109   171
Financing Receivable, Revolving 591   353
Financing Receivable, revolving converted to term 0   0
Collateral dependent loans $ 1,098   $ 938