Revenues (Capitalized Costs of Obtaining a Contract - 2) (Details) - USD ($)	5 Months Ended	7 Months Ended	12 Months Ended
Jun. 03, 2018	Dec. 31, 2018	Dec. 31, 2019
Revenue from Contract with Customer [Abstract]
Capitalized contract cost, impairment loss	$ 0	$ 0	$ 0
Capitalized contract cost, amortization	$ 400,000	$ 1,900,000	$ 6,100,000

Amount of amortization expense for asset recognized from cost incurred to obtain or fulfill contract with customer.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 340
-SubTopic 40
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=68051541&loc=SL49131252-203054

Name:	us-gaap_CapitalizedContractCostAmortization
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration