Goodwill and Intangible Assets - Finite-lived Intangible Assets and Related Accumulated Amortization (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Intangible Assets
Cost or Fair Value	$ 46,150	$ 46,150
Accumulated Amortization	(17,326)	(16,443)
Net	28,824	29,707
Good Sam Services and Plans \| Membership and customer lists
Intangible Assets
Cost or Fair Value	9,140	9,140
Accumulated Amortization	(8,153)	(7,972)
Net	987	1,168
RV and Outdoor Retail \| Customer lists and domain names
Intangible Assets
Cost or Fair Value	2,065	2,065
Accumulated Amortization	(1,792)	(1,768)
Net	273	297
RV and Outdoor Retail \| Trademarks and trade names
Intangible Assets
Cost or Fair Value	28,955	28,955
Accumulated Amortization	(5,343)	(4,862)
Net	23,612	24,093
RV and Outdoor Retail \| Websites
Intangible Assets
Cost or Fair Value	5,990	5,990
Accumulated Amortization	(2,038)	(1,841)
Net	$ 3,952	$ 4,149

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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-Publisher FASB
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-Topic 350
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-Section 50
-Paragraph 2
-Subparagraph (a)(1)
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- Definition

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

+ References

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-Name Accounting Standards Codification
-Topic 350
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-Section 50
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