Summary of Significant Accounting Policies - Public and Private Placement Warrants Narrative (Details) - USD ($) $ / shares in Units, $ in Millions	Aug. 17, 2020	Feb. 07, 2020	Jun. 12, 2018	Dec. 31, 2020
IPO
Class of Warrant or Right [Line Items]
Stock issued (in shares)			69,000,000
Stock issued price (USD per share)			$ 10.00
Number of units per one redeemable warrant (in shares)			3
IPO | Common Class A
Class of Warrant or Right [Line Items]
Number of common stock shares per unit (in shares)			11.50
Over-Allotment Option
Class of Warrant or Right [Line Items]
Stock issued (in shares)			9,000,000
Warrants outstanding				9,387,093
Over-Allotment Option | Warrant
Class of Warrant or Right [Line Items]
Stock issued (in shares)			10,533,333
Stock issued price (USD per share)			$ 11.50
Number of common stock shares per unit (in shares)			11.50
Over-Allotment Option | Common Class A
Class of Warrant or Right [Line Items]
Stock issued (in shares)	3,000,000
Private Placement
Class of Warrant or Right [Line Items]
Stock issued (in shares)		123,900,000
Stock issued price (USD per share)			$ 1.50
Number of common stock shares per unit (in shares)			11.50
Consideration received on sale of stock, net of issuance costs		$ 1,239.0	$ 15.8
Warrants outstanding				10,533,333