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Securities - Trading Securities (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Investment Securities    
Trading securities $ 31,263 $ 77,689
U.S. Government agencies    
Investment Securities    
Trading securities 11,190 5,154
Residential mortgage-backed securities issued by U.S. government agencies or sponsored enterprises    
Investment Securities    
Trading securities   6,853
Other residential mortgage issued or guaranteed by U.S. government agencies or sponsored enterprises    
Investment Securities    
Trading securities   12,315
Commercial mortgage-backed securities issued by U.S. government agencies or sponsored enterprises    
Investment Securities    
Trading securities 4,589 29,667
State and municipal obligations    
Investment Securities    
Trading securities 13,993 20,798
Other debt securities    
Investment Securities    
Trading securities $ 1,491 $ 2,902