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

BASIS OF PRESENTATION - Accounting Pronouncements Recently Adopted (Details) - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2019
BASIS OF PRESENTATION
Cumulative effect adjustments for the adoption of new accounting principles		$ (16.9)	$ 78.8
ASU 2016-13
BASIS OF PRESENTATION
Cumulative effect adjustments for the adoption of new accounting principles	$ 16.9