Investment Securities - Investments Classified by Contractual Maturity Date (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Amortized Cost
Due in 1 year or less	$ 12,494
Due after 1 year but within 5 years	32,400
Due after 5 years but within 10 years	29,474
Due after 10 years	2,334
Available-for-sale securities, amortized cost basis, Total	76,702
Amortized Cost	245,886	$ 262,342
Fair Value
Due in 1 year or less	12,340
Due after 1 year but within 5 years	30,977
Due after 5 years but within 10 years	25,614
Due after 10 years	1,941
Available-for-sale securities, fair value, Total	70,872
Available for Sale Securities, Fair Value	223,555	237,878
Amortized Cost
Due in 1 year or less	9,708
Due after 1 year but within 5 years	130,686
Due after 5 years but within 10 years	191,793
Due after 10 years	23,123
Held-to-maturity securities, amortized cost	355,310
Amortized Cost	399,128	399,494
Held-to-maturity
Due in 1 year or less	9,627
Due after 1 year but within 5 years	123,005
Due after 5 years but within 10 years	166,811
Due after 10 years	19,783
Held-to-maturity securities, fair value	319,226
Held to maturity, fair value	357,521	$ 348,505
Mortgage-backed securities
Amortized Cost
Mortgage-backed securities	169,184
Fair Value
Mortgage-backed securities	152,683
Amortized Cost
Mortgage-backed securities	43,818
Held-to-maturity
Mortgage-backed securities	$ 38,295