Amount of the cumulative effect on retained earnings net of related income tax effect.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 250
-SubTopic 10
-Section 50
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=109234566&loc=d3e22663-107794

Name:	us-gaap_CumulativeEffectOnRetainedEarningsNetOfTax1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Nature of Operations and Significant Accounting Policies - Recent Accounting Pronouncements (Details) - Adjustment for adoption of guidance - USD ($) $ in Millions	Jan. 01, 2020	Jan. 01, 2019
ASU 2016-13 - CECL
Recent Accounting Pronouncements
Cumulative effect adjustment, increase (decrease) to retained earnings	$ (8.4)
ASU 2016-02 - Leases
Recent Accounting Pronouncements
Cumulative effect adjustment, increase (decrease) to retained earnings		$ 4.0