Securities - Schedule of Amortized Cost and Estimated Fair Value of Debt Securities by Contractual Maturity (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Amortized Cost
Due within 1 year	$ 18,497
Due after 1 year through 5 years	42,198
Due after 5 years through 10 years	163,870
Due after 10 years	356,227
Total available-for-sale	580,792	$ 598,073
Estimated Fair Value
Due within 1 year	18,107
Due after 1 year through 5 years	39,135
Due after 5 years through 10 years	145,002
Due after 10 years	313,712
Total available-for-sale	515,956	536,973
Amortized Cost
Due after 1 year through 5 years	1,066
Due after 5 years through 10 years	778
Due after 10 years	36,039
Total held-to-maturity	37,883	38,901
Estimated Fair Value
Due after 1 year through 5 years	1,028
Due after 5 years through 10 years	744
Due after 10 years	31,055
Total held-to-maturity	$ 32,827	$ 33,218