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Securities - Trading Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Investment Securities
Trading securities	$ 74,234	$ 77,689
U.S. Government agencies
Investment Securities
Trading securities	14,801	5,154
Residential mortgage-backed securities issued by U.S. government agencies or sponsored enterprises
Investment Securities
Trading securities	26,484	6,853
Other residential mortgage issued or guaranteed by U.S. government agencies or sponsored enterprises
Investment Securities
Trading securities	7,634	12,315
Commercial mortgage-backed securities issued by U.S. government agencies or sponsored enterprises
Investment Securities
Trading securities	10,973	29,667
State and municipal obligations
Investment Securities
Trading securities	12,078	20,798
Other debt securities
Investment Securities
Trading securities	$ 2,264	$ 2,902

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=124260329&loc=d3e26610-111562

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-Topic 320
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-Section 45
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-URI http://asc.fasb.org/extlink&oid=124260329&loc=d3e26610-111562

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