Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended								12 Months Ended					24 Months Ended
		Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017		Dec. 31, 2016		Dec. 31, 2015	Oct. 06, 2016
Numerator:
Net income		$ (5,494)	$ 83,752	$ 105,093	$ 49,623	$ 11,528	$ 68,247	$ 84,108	$ 37,176	$ 232,974		$ 201,059		$ 174,293
Less: net income attributable to non-controlling interests										(204,612)		(9,942)
Class A common stock
Numerator:
Net income										232,974		11,528
Less: net income attributable to non-controlling interests										(204,612)		(9,942)
Net income (loss) attributable to Camping World Holdings, Inc. ? basic										28,362		1,586
Add: Reallocation of net income attributable to non-controlling interests from the assumed exchange of common units of CWGS, LLC for Class A common stock												4,164
Net income (loss) attributable to Camping World Holdings, Inc. ? diluted										$ 28,362		$ 5,750
Denominator:
Weighted-average shares of Class A common stock outstanding -basic	[1]									26,622,000		18,766,000
Dilutive common units of CWGS, LLC that are convertible into Class A common stock												64,836,000
Weighted-average shares of Class A common stock outstanding - diluted	[1]									26,622,000		83,602,000
Earnings (loss) per share of Class A common stock ? basic		$ (0.52)	$ 0.66	$ 0.84	$ 0.40	$ 0.08				$ 1.07	[1]	$ 0.08	[1]
Earnings (loss) per share of Class A common stock ? diluted		$ (0.52)	$ 0.66	$ 0.84	$ 0.38	$ 0.07				$ 1.07	[1]	$ 0.07	[1]
Class A common stock | Stock Option
Antidilutive securities excluded from the computation of diluted earnings per share										1,100,000		1,100,000
Class A common stock | Restricted Stock Units (RSUs)
Antidilutive securities excluded from the computation of diluted earnings per share										400,000		100,000
CWGS, LLC
Preferred units outstanding (in units)		88,639,567				83,771,830				88,639,567		83,771,830			70,000
Quarterly preferred returns															$ 2,100
CWGS, LLC | Class A common stock
Antidilutive securities excluded from the computation of diluted earnings per share										60,000,000

[1] Basic and diluted earnings per Class A common stock is applicable only for periods after the Company’s IPO. See Note 21 — Earnings Per Share.