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AFS Securities (AFS securities with gross unrealized losses) (Details) $ in Thousands | Dec. 31, 2021 USD ($) loan
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Debt Securities, Available-for-sale [Line Items] |
Gross Unrealized Losses, Less Than Twelve Months | $ 2,941
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | 236,825
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | 0
Total Unrealized Losses | $ 2,941
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Number of Positions | loan | 0
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | loan | 40
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Number of Positions | loan | 40
States and political subdivisions [Member] |
Debt Securities, Available-for-sale [Line Items] |
Gross Unrealized Losses, Less Than Twelve Months | $ 88
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | 9,674
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | 0
Total Unrealized Losses | 88
Collateralized mortgage obligations [Member] |
Debt Securities, Available-for-sale [Line Items] |
Gross Unrealized Losses, Less Than Twelve Months | 10
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | 11,165
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | 0
Total Unrealized Losses | 10
US Treasury Securities |
Debt Securities, Available-for-sale [Line Items] |
Gross Unrealized Losses, Less Than Twelve Months | 2,676
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | 209,703
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | 0
Total Unrealized Losses | 2,676
Corporate Debt Securities |
Debt Securities, Available-for-sale [Line Items] |
Gross Unrealized Losses, Less Than Twelve Months | 167
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months | 6,283
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss | 0
Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer | 0
Total Unrealized Losses | $ 167

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