Amount of equity impact of cash and non-cash distributions declared to unit-holder of limited liability company (LLC).

No definition available.

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Amount of equity impact of non-cash distributions declared to unit-holder of limited liability company (LLC), accounts receivable.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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Amount of equity impact of non-cash distributions declared to unit-holder of limited liability company (LLC), contracts in transit.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Amount of equity impact of non-cash distributions declared to unit-holder of limited liability company (LLC), inventory.

No definition available.

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Namespace Prefix:	cwh_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Amount of equity impact of non-cash distributions declared to unit-holder of limited liability company (LLC), prepaid expenses and other assets.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Amount of equity impact of non-cash distributions declared to unit-holder of limited liability company (LLC), property and equipment.

No definition available.

Name:	cwh_DistributionMadeToLimitedLiabilityCompanyLlcMemberNonCashDistributionsDeclaredPropertyAndEquipment
Namespace Prefix:	cwh_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

No definition available.

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

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Statement of Cash Flows - AutoMatch Distribution (Details) - USD ($) $ in Thousands		12 Months Ended
	Jun. 13, 2016	Dec. 31, 2016	Dec. 31, 2015
Membership units
Non-cash distribution declared		$ 38,838
AutoMatch Distribution
Membership units
Non-cash distribution declared	$ 38,800	38,800
Non-cash distribution declared, contracts in transit		1,000
Non-cash distribution declared, accounts receivable		300
Non-cash distribution declared, inventory		20,300
Non-cash distribution declared, property and equipment		17,100
Non-cash distribution declared, prepaid expenses and other assets		$ 100
CWGS Enterprises, LLC and Subsidiaries
Membership units
Non-cash distribution declared, accounts receivable			$ 900