Investment Securities - Securities by contractual maturity (Details) $ in Thousands	Jun. 30, 2023 USD ($)
Available for sale, Amortized Cost
Due after one year through five years	$ 19
Due after five years through ten years	41,685
Due after ten years	153,784
Amortized Cost	195,488
Available for sale, Fair Value
Due after one year through five years	19
Due after five years through ten years	34,937
Due after ten years	130,171
Fair Value	165,127
Held to maturity, Amortized Cost
Due in one year or less	552
Due after one year through five years	4,490
Due after ten years	94,648
Amortized Cost	99,690
Held to maturity, Fair Value
Due in one year or less	551
Due after one year through five years	4,389
Due after ten years	77,373
Fair Value	$ 82,313