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v3.22.2.2

Note 4 - Securities (Details Textual) $ in Thousands | Sep. 30, 2022 USD ($) | Dec. 31, 2021 USD ($)
--- | --- | ---
Number of Temporarily Impaired Securities | 614 |
Available-for-sale and Held to Maturity Securities Continuous Unrealized Loss Position Fair Value | $ 647,648 |
Continuous Unrealized Loss Position Aggregate Losses | $ 108,057 |
Number of Temporarily Impaired Securities Greater than Twelve Months | 207 |
Continuous Unrealized Loss Position Twelve Months or Longer Fair Value | $ 182,187 | $ 51,999
Continuous Unrealized Loss Position 12 Months or Longer Aggregate Losses | 50,582 | 2,145
National Bank of Blacksburg [Member] | Federal Home Loan Bank of Atlanta [Member] |  |
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged | 641,798 |
Restricted Stock [Member] |  |
Restricted Investments | $ 941 | 845
US Government Agencies Debt Securities [Member] |  |
Number of Temporarily Impaired Securities | 150 |
Available-for-sale and Held to Maturity Securities Continuous Unrealized Loss Position Fair Value | $ 124,968 |
Continuous Unrealized Loss Position Aggregate Losses | 31,692 |
Continuous Unrealized Loss Position Twelve Months or Longer Fair Value | 124,968 | 26,792
Continuous Unrealized Loss Position 12 Months or Longer Aggregate Losses | $ 31,692 | 1,180
US States and Political Subdivisions Debt Securities [Member] |  |
Number of Temporarily Impaired Securities | 50 |
Available-for-sale and Held to Maturity Securities Continuous Unrealized Loss Position Fair Value | $ 43,622 |
Continuous Unrealized Loss Position Aggregate Losses | 17,482 |
Continuous Unrealized Loss Position Twelve Months or Longer Fair Value | 43,622 | 20,542
Continuous Unrealized Loss Position 12 Months or Longer Aggregate Losses | $ 17,482 | 793
Commercial Mortgage-Backed Securities [Member] |  |
Number of Temporarily Impaired Securities | 6 |
Available-for-sale and Held to Maturity Securities Continuous Unrealized Loss Position Fair Value | $ 12,802 |
Continuous Unrealized Loss Position Aggregate Losses | 1,200 |
Continuous Unrealized Loss Position Twelve Months or Longer Fair Value | 12,802 | 4,665
Continuous Unrealized Loss Position 12 Months or Longer Aggregate Losses | $ 1,200 | 172
Corporate Debt Securities [Member] |  |
Number of Temporarily Impaired Securities | 1 |
Available-for-sale and Held to Maturity Securities Continuous Unrealized Loss Position Fair Value | $ 795 |
Continuous Unrealized Loss Position Aggregate Losses | 208 |
Continuous Unrealized Loss Position Twelve Months or Longer Fair Value | 795 | 0
Continuous Unrealized Loss Position 12 Months or Longer Aggregate Losses | $ 208 | $ 0

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