v3.26.1
Note 4 - Securities - Continuous Unrealized Loss Position (Details) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Debt securities available-for-sale, continuous loss position, less than 12 months, fair value $ 31,676 $ 30,244
Debt securities available-for-sale, continuous loss position, less than 12 months, unrealized losses 121 471
Debt securities available-for-sale, continuous loss position, more than 12 months, fair value 63,717 72,592
Debt securities available-for-sale, continuous loss position, more than 12 months, unrealized losses 2,842 5,184
Debt securities available-for-sale, continuous loss position, fair value 95,393 102,836
Debt securities available-for-sale, continuous loss position, unrealized losses 2,963 5,655
US Treasury Securities [Member]    
Debt securities available-for-sale, continuous loss position, less than 12 months, fair value 4,012 0
Debt securities available-for-sale, continuous loss position, less than 12 months, unrealized losses 15 0
Debt securities available-for-sale, continuous loss position, more than 12 months, fair value 0 248
Debt securities available-for-sale, continuous loss position, more than 12 months, unrealized losses 0 1
Debt securities available-for-sale, continuous loss position, fair value 4,012 248
Debt securities available-for-sale, continuous loss position, unrealized losses 15 1
US Government Agencies Debt Securities [Member]    
Debt securities available-for-sale, continuous loss position, less than 12 months, fair value 12,254 11,650
Debt securities available-for-sale, continuous loss position, less than 12 months, unrealized losses 42 235
Debt securities available-for-sale, continuous loss position, more than 12 months, fair value 5,183 10,169
Debt securities available-for-sale, continuous loss position, more than 12 months, unrealized losses 39 192
Debt securities available-for-sale, continuous loss position, fair value 17,437 21,819
Debt securities available-for-sale, continuous loss position, unrealized losses 81 427
Taxable Municipal Notes [Member]    
Debt securities available-for-sale, continuous loss position, less than 12 months, fair value 1,495 0
Debt securities available-for-sale, continuous loss position, less than 12 months, unrealized losses 6 0
Debt securities available-for-sale, continuous loss position, more than 12 months, fair value 4,711 5,631
Debt securities available-for-sale, continuous loss position, more than 12 months, unrealized losses 278 511
Debt securities available-for-sale, continuous loss position, fair value 6,206 5,631
Debt securities available-for-sale, continuous loss position, unrealized losses 284 511
Nontaxable Municipal Notes [Member]    
Debt securities available-for-sale, continuous loss position, less than 12 months, fair value 7,912 6,646
Debt securities available-for-sale, continuous loss position, less than 12 months, unrealized losses 32 96
Debt securities available-for-sale, continuous loss position, more than 12 months, fair value 41,256 43,673
Debt securities available-for-sale, continuous loss position, more than 12 months, unrealized losses 2,262 3,807
Debt securities available-for-sale, continuous loss position, fair value 49,168 50,319
Debt securities available-for-sale, continuous loss position, unrealized losses 2,294 3,903
Mortgage-Backed Security, Issued by US Government-Sponsored Enterprise [Member]    
Debt securities available-for-sale, continuous loss position, less than 12 months, fair value 4,958 11,450
Debt securities available-for-sale, continuous loss position, less than 12 months, unrealized losses 18 140
Debt securities available-for-sale, continuous loss position, more than 12 months, fair value 10,604 9,492
Debt securities available-for-sale, continuous loss position, more than 12 months, unrealized losses 229 516
Debt securities available-for-sale, continuous loss position, fair value 15,562 20,942
Debt securities available-for-sale, continuous loss position, unrealized losses 247 656
Corporate Debt Securities [Member]    
Debt securities available-for-sale, continuous loss position, less than 12 months, fair value 1,045 498
Debt securities available-for-sale, continuous loss position, less than 12 months, unrealized losses 8 0
Debt securities available-for-sale, continuous loss position, more than 12 months, fair value 1,963 3,379
Debt securities available-for-sale, continuous loss position, more than 12 months, unrealized losses 34 157
Debt securities available-for-sale, continuous loss position, fair value 3,008 3,877
Debt securities available-for-sale, continuous loss position, unrealized losses $ 42 $ 157