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Note 4 - Securities (Details Textual) $ in Thousands | Jun. 30, 2022 USD ($) | Dec. 31, 2021 USD ($)
--- | --- | ---
Number of Temporarily Impaired Securities | 579 |
Available-for-sale and Held to Maturity Securities Continuous Unrealized Loss Position Fair Value | $ 661,111 |
Continuous Unrealized Loss Position Aggregate Losses | $ 70,997 |
Number of Temporarily Impaired Securities Greater than Twelve Months | 116 |
Continuous Unrealized Loss Position Twelve Months or Longer Fair Value | $ 106,949 | $ 51,999
Continuous Unrealized Loss Position 12 Months or Longer Aggregate Losses | 22,130 | 2,145
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged | 630,515 |
Restricted Stock [Member] |  |
Restricted Investments | $ 941 | 845
US Government Agencies Debt Securities [Member] |  |
Number of Temporarily Impaired Securities | 77 |
Available-for-sale and Held to Maturity Securities Continuous Unrealized Loss Position Fair Value | $ 64,695 |
Continuous Unrealized Loss Position Aggregate Losses | 12,228 |
Continuous Unrealized Loss Position Twelve Months or Longer Fair Value | 64,695 | 26,792
Continuous Unrealized Loss Position 12 Months or Longer Aggregate Losses | $ 12,228 | 1,180
US States and Political Subdivisions Debt Securities [Member] |  |
Number of Temporarily Impaired Securities | 35 |
Continuous Unrealized Loss Position Aggregate Losses | $ 9,310 |
Continuous Unrealized Loss Position Twelve Months or Longer Fair Value | 32,812 | 20,542
Continuous Unrealized Loss Position 12 Months or Longer Aggregate Losses | $ 9,310 | $ 793
Collateralized Mortgage-Backed Securities [Member] |  |
Number of Temporarily Impaired Securities | 4 |
Available-for-sale and Held to Maturity Securities Continuous Unrealized Loss Position Fair Value | $ 9,442 |
Continuous Unrealized Loss Position Twelve Months or Longer Fair Value | $ 592 |

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