Annual report pursuant to Section 13 and 15(d)

Related Party Transactions - Additional Information (Detail)

v3.3.1.900
Related Party Transactions - Additional Information (Detail) - USD ($)
$ in Thousands
12 Months Ended
Nov. 05, 2013
Apr. 23, 2013
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Related Party Transaction [Line Items]            
Partnership formation date     Jul. 24, 2015      
Percentage of Interest in partnership     49.00%      
Loss from partnership venture     $ (465) $ (55)    
Total investment in joint venture     $ 1,800      
Gain from sale of investment       $ 1,480 $ 25,096 [1]  
Real Goods Solar            
Related Party Transaction [Line Items]            
Unsecured and subordinated loans, total amount receivable           $ 2,700
Unsecured and subordinated loans, total amount converted to shares   $ 100        
Unsecured and subordinated loans, shares converted   62,111        
Collections for loans receivable $ 2,100       2,300  
Acquisition of RSOL's tenant leasehold improvements $ 200          
Real Goods Solar | Class A Common Stock            
Related Party Transaction [Line Items]            
Gain from sale of investment         $ 25,000  
Common stock, Voting percentage         20.00%  
[1] Cash flows in 2013 include the $25.0 million gain from the sale of RGSE stock, the sale of GVE and the discontinuation of the DRTV Business Unit.