Securities - Trading Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Investment Securities
Trading securities	$ 31,321	$ 31,263
U.S. Government agencies
Investment Securities
Trading securities	1,537	11,190
Residential mortgage pass-through securities issued or guaranteed by U.S. government agencies or sponsored enterprises
Investment Securities
Trading securities	14,461
Commercial mortgage-backed securities issued by U.S. government agencies or sponsored enterprises
Investment Securities
Trading securities		4,589
State and municipal obligations
Investment Securities
Trading securities	14,620	13,993
Other debt securities
Investment Securities
Trading securities	$ 703	$ 1,491