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Derivatives - Credit Risk Related Contingent Features (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Derivative, Credit Risk Related Contingent Features    
The aggregate fair value of all derivative instruments with credit-risk-related contingent features that were in a liability position $ 8.6 $ 11.3
Required collateral assets to be posted if the credit-risk contingent features of these underlying agreements were triggered. $ 4.5