Amount of expense (income) related to the increase (decrease) in reserve for business combination costs. Includes, but is not limited to, legal, accounting, and other costs incurred to consummate the merger.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585

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The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

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Related Party Transactions (Details) - USD ($) $ / shares in Units, $ in Millions			3 Months Ended			9 Months Ended
	Aug. 17, 2020	Jun. 12, 2018	Sep. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Related Party Transaction [Line Items]
Services for the corporate advisory services agreement				$ 0.5
Noncash merger costs				$ 25.0
Purchases from related party			$ 17.0		$ 40.3	$ 13.8	$ 45.0
Underwritten Secondary Public Offering \| Common Class A
Related Party Transaction [Line Items]
Stock issued (in shares)	23,000,000
Stock issued price (USD per share)	$ 15.25
Over-Allotment Option
Related Party Transaction [Line Items]
Stock issued (in shares)		9,000,000
Over-Allotment Option \| Common Class A
Related Party Transaction [Line Items]
Stock issued (in shares)	3,000,000