Securities - Unrealized Losses Held-to-Maturity Debt Securities (Details) $ in Thousands	Dec. 31, 2021 USD ($)
Fair Value
Less than 12 Months	$ 119,872
12 Months or Longer	0
Total	119,872
Unrealized Losses
Less than 12 Months	2,389
12 Months or Longer	0
Total	2,389
U.S. Treasuries
Fair Value
Less than 12 Months	35,280
12 Months or Longer	0
Total	35,280
Unrealized Losses
Less than 12 Months	600
12 Months or Longer	0
Total	600
Obligations of U.S. Government sponsored entities
Fair Value
Less than 12 Months	84,592
12 Months or Longer	0
Total	84,592
Unrealized Losses
Less than 12 Months	1,789
12 Months or Longer	0
Total	$ 1,789