Investment Securities - Amortized Cost and Fair Value of Debt Securities (Details) $ in Thousands	Sep. 30, 2023 USD ($)
Amortized Cost
Due in one year or less	$ 39,163
Due after one year to five years	88,544
Due after five years to ten years	65,437
Due after ten years	5,303
Amortized Cost	198,447
Fair Value
Due in one year or less	38,246
Due after one year to five years	82,446
Due after five years to ten years	59,047
Due after ten years	4,928
Total	$ 184,667