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Securities - Additional disclosures (Details) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
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Additional disclosures |  |
Carrying value of investment securities pledged to secure public funds deposits and for other purposes required and permitted by law | $ 2,100.0 | $ 2,100.0
Carrying amount of the securities pledged to collateralize repurchase agreements | $ 471.3 | $ 515.9

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- Definition The carrying amount as of the date of the latest financial statement presented of securities which are owned but transferred to serve as collateral for public funds deposits and for other purposes required and permitted by law, and for which the transferee does not have the right by contract or custom to sell or re-pledge them to an unrelated party. + References No definition available. + Details
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- Definition The carrying amount as of the date of the latest financial statement presented of securities which are owned but transferred to serve as collateral for repurchase agreements, and for which the transferee does not have the right by contract or custom to sell or re-pledge them to an unrelated party. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 50 -Paragraph 1A -Subparagraph (b)(1)(i) -URI http://asc.fasb.org/extlink&oid=109249958&loc=SL6224234-111729 + Details
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