Goodwill and Intangible Assets - Finite-lived Intangible Assets and Related Accumulated Amortization (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Intangible Assets
Cost or Fair Value	$ 47,933	$ 47,933
Accumulated Amortization	(14,928)	(12,649)
Net	33,005	35,284
Good Sam Services and Plans \| Membership and customer lists
Intangible Assets
Cost or Fair Value	9,140	9,140
Accumulated Amortization	(7,574)	(7,174)
Net	1,566	1,966
RV and Outdoor Retail \| Customer lists and domain names
Intangible Assets
Cost or Fair Value	3,415	3,415
Accumulated Amortization	(2,064)	(1,559)
Net	1,351	1,856
RV and Outdoor Retail \| Trademarks and trade names
Intangible Assets
Cost or Fair Value	29,304	29,304
Accumulated Amortization	(3,831)	(2,853)
Net	25,473	26,451
RV and Outdoor Retail \| Websites
Intangible Assets
Cost or Fair Value	6,074	6,074
Accumulated Amortization	(1,459)	(1,063)
Net	$ 4,615	$ 5,011

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 928
-SubTopic 340
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004

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-Topic 350
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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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