Investment Securities - Amortized Cost and Fair Value of Debt Securities (Details) $ in Thousands	Mar. 31, 2022 USD ($)
Amortized Cost
Due in one year or less	$ 12,419
Due after one year to five years	104,442
Due after five years to ten years	60,675
Due after ten years	2,029
Total	179,565
Fair Value
Due in one year or less	12,400
Due after one year to five years	101,967
Due after five years to ten years	59,347
Due after ten years	1,960
Total	$ 175,674