Annual report pursuant to Section 13 and 15(d)

Discontinued Operations - Additional Information (Detail)

v3.8.0.1
Discontinued Operations - Additional Information (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
May 04, 2016
Gaiam Brand Segment [Member]      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Gain (loss) on disposal of discontinued operations   $ 124,826  
Gaiam Brand Segment [Member] | Natural Habitat, Inc. [Member]      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Percentage of noncontrolling interest in subsidiaries   51.40% 51.40%
Proceeds from sale of subsidiary   $ 12,850  
Gain (loss) on disposal of discontinued operations   10,300  
Gaiam Brand Business [Member]      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Gain (loss) on disposal of discontinued operations   114,500  
Disposal date Dec. 31, 2016    
Gross sale price of assets and liabilities of discontinued operations   $ 167,000