Summary of Significant Accounting Policies - Description of Business (Details)	3 Months Ended
	Mar. 31, 2017 segment item	Mar. 31, 2017 item
Segments Information
Number of primary businesses	2	2
Number of Camping World retail locations	126	126
New and used RVs, financing, and other ancillary services, protection plans, and products for the RV purchaser
Segments Information
Number of Camping World retail locations	109	109
CWGS, LLC
Segments Information
Ownership interest	22.60%	22.60%