Loans (PCD Loans) (Parenthetical) (Details) - USD ($) $ in Millions		3 Months Ended
Jan. 01, 2020	Mar. 31, 2020	Mar. 31, 2019
Financing Receivable Impaired [Line Items]
Loans charged-off		$ 63.0	$ 39.6
PCD Loans
Financing Receivable Impaired [Line Items]
Initial ACL recognized on PCD assets	$ 58.8	58.8
Loans charged-off	$ 38.6
Net impact of additional PCD reserves		$ 20.2

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- Definition

Amount of writeoff of financing receivable, charged against allowance for credit loss.

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+ References

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Amount of allowance for credit loss at acquisition date of financing receivable purchased with credit deterioration.

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