Accounting Changes and Recent Accounting Pronouncements (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Impact of ASU 2016-13	$ 30.1	$ (1.2)
Accumulated earnings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Impact of ASU 2016-13	$ 30.3	$ (1.2)

Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

No definition available.

Name:	us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant