Commitments and Contingencies - Committed Expenditures (Details) $ in Millions	Dec. 31, 2021 USD ($)
Unrecorded Unconditional Purchase Obligation [Line Items]
Estimated committed in first half of 2022	$ 71.3
Vehicle Fleet Committed Capital
Unrecorded Unconditional Purchase Obligation [Line Items]
Estimated committed capital in next fiscal year	$ 96.0

Amount of fixed and determinable portion of unrecorded unconditional purchase obligation to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 440
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=123406679&loc=d3e25336-109308

Name:	us-gaap_UnrecordedUnconditionalPurchaseObligationBalanceOnFirstAnniversary
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant