Stockholders' Equity - CWGS, LLC Ownership (Details) - CWGS, LLC	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
CWH
Common Stock
Ownership interest	47.40%	42.00%	41.90%
Continuing Equity Owners
Common Stock
Percentage of ownership	52.60%	58.00%	58.10%

Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055

Name:	us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration