Income Taxes - Net Operating Losses Carryforwards (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Federal
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 1,487.8	$ 1,568.4
State
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	1,182.7	1,161.0
Foreign
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 106.0	$ 321.7

Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=121826272&loc=d3e32559-109319

Name:	us-gaap_OperatingLossCarryforwards
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant