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Investment Securities - Trading Securities (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Investment Securities |  |
Trading securities | $ 51,940 | $ 77,689
U.S. Government agencies |  |
Investment Securities |  |
Trading securities | 12,017 | 5,154
Residential mortgage-backed securities issued by U.S. government agencies or sponsored enterprises |  |
Investment Securities |  |
Trading securities | 11,556 | 6,853
Other residential mortgage issued or guaranteed by U.S. government agencies or sponsored enterprises |  |
Investment Securities |  |
Trading securities | 5,921 | 12,315
Commercial mortgage-backed securities issued by U.S. government agencies or sponsored enterprises |  |
Investment Securities |  |
Trading securities | 3,116 | 29,667
State and municipal obligations |  |
Investment Securities |  |
Trading securities | 18,060 | 20,798
Other debt securities |  |
Investment Securities |  |
Trading securities | $ 1,270 | $ 2,902

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