Investment Securities - Contractual Maturities of Investment Securities - Held-to-maturity Securities (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Held-to-maturity, Amortized Cost
Due after one year through five years	$ 13,219
Due after five years through ten years	31,456
Due after ten years	53,832
Total Held-to-maturity Securities	98,507
Held-to-maturity, Fair Value
Due after one year through five years	11,535
Due after five years through ten years	26,568
Due after ten years	43,863
Total Held-to-maturity Securities	$ 81,966
Weighted average remaining life	7 years 2 months 12 days	7 years 3 months 18 days