Investment Securities, Contractual Maturity (Details) $ in Thousands	Dec. 31, 2022 USD ($)
Amortized Cost [Abstract]
One year or less	$ 5,316
After one year through five years	27,290
After five years through ten years	17,241
After ten years	133,324
Amortized cost, excluding securities without single maturity date	183,171
Fair Value [Abstract]
One year or less	5,290
After one year through five years	26,094
After five years through ten years	15,536
After ten years	105,944
Fair value, excluding investment securities not due at a single maturity date	152,864
Amortized Cost [Abstract]
One year or less	883
After one year through five years	8,058
After five years through ten years	33,867
After ten years	802,538
Fair value, excluding securities without single maturity date	845,346
Fair Value [Abstract]
One year or less	883
After one year through five years	8,004
After five years through ten years	32,030
After ten years	647,476
Fair value, excluding securities without single maturity date	$ 688,393