Quarterly report pursuant to Section 13 or 15(d)

Note 2 - Securities - Gross Unrealized Losses (Details)

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Note 2 - Securities - Gross Unrealized Losses (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
Less than 12 Months, Fair Value $ 7,354 $ 77,199
Less than 12 Months, Unrealized Losses 248 7,432
12 Months or Longer, Fair Value 102,172 43,229
12 Months or Longer, Unrealized Losses 17,983 8,134
Total, Fair Value 109,526 120,428
Total, Unrealized Losses 18,231 15,566
U.S. Treasury Notes [Member]    
Less than 12 Months, Fair Value 0 7,288
Less than 12 Months, Unrealized Losses 0 155
12 Months or Longer, Fair Value 5,866 0
12 Months or Longer, Unrealized Losses 112 0
Total, Fair Value 5,866 7,288
Total, Unrealized Losses 112 155
US Government Agencies Debt Securities [Member]    
Less than 12 Months, Fair Value 3,657 17,274
Less than 12 Months, Unrealized Losses 67 1,296
12 Months or Longer, Fair Value 16,191 4,116
12 Months or Longer, Unrealized Losses 1,948 574
Total, Fair Value 19,848 21,390
Total, Unrealized Losses 2,015 1,870
Municipal Bonds [Member]    
Less than 12 Months, Fair Value 3,104 16,823
Less than 12 Months, Unrealized Losses 155 2,349
12 Months or Longer, Fair Value 15,034 2,037
12 Months or Longer, Unrealized Losses 3,679 623
Total, Fair Value 18,138 18,860
Total, Unrealized Losses 3,834 2,972
Residential Mortgage-Backed Securities [Member]    
Less than 12 Months, Fair Value 0 14,365
Less than 12 Months, Unrealized Losses 0 1,618
12 Months or Longer, Fair Value 30,959 21,373
12 Months or Longer, Unrealized Losses 6,530 3,846
Total, Fair Value 30,959 35,738
Total, Unrealized Losses 6,530 5,464
Collateralized Mortgage-Backed Securities [Member]    
Less than 12 Months, Fair Value 593 21,449
Less than 12 Months, Unrealized Losses 26 2,014
12 Months or Longer, Fair Value 34,122 15,703
12 Months or Longer, Unrealized Losses 5,714 3,091
Total, Fair Value 34,715 37,152
Total, Unrealized Losses $ 5,740 $ 5,105