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Securities - Trading Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Investment Securities
Trading securities	$ 117,590	$ 110,183
U.S. Government agencies
Investment Securities
Trading securities	14,504	1,872
Residential mortgage pass-through securities issued or guaranteed by U.S. government agencies or sponsored enterprises
Investment Securities
Trading securities	5,787	9,799
Other residential mortgage issued or guaranteed by U.S. government agencies or sponsored enterprises
Investment Securities
Trading securities	7,302	1,419
Commercial mortgage-backed securities issued by U.S. government agencies or sponsored enterprises
Investment Securities
Trading securities	27,728	5,966
State and municipal obligations
Investment Securities
Trading securities	26,573	24,816
Small Business Administration loan-backed securities
Investment Securities
Trading securities	34,887	66,173
Other debt securities
Investment Securities
Trading securities	$ 809	$ 138

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Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading).

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