Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Current assets:    
Current portion of restricted cash, including consolidated variable interest entities of $46,321 and $1,860 as of December 31, 2015 and 2014, respectively $ 119,151 $ 22,083
Prepaid expenses and other current assets, including consolidated variable interest entities of $123,876 as of December 31, 2015 and zero as of December 31, 2014 144,743 8,293
Assets, Noncurrent [Abstract]    
Power plants, net, including consolidated variable interest entities of $478,884 and $174,804 as of December 31, 2015 and 2014, respectively 1,148,350 386,079
Intangible assets, net including consolidated variable interest entities of $51,159 as of December 31, 2015 and zero as of December 31, 2014 70,630 0
Deposit for acquisitions, net including consolidated variable interest entities of $40,134 as of December 31, 2015 and zero as of December 31, 2014 51,101 0
Current liabilities:    
Current portion of long-term debt, including consolidated variable interest entities of $326,535 and 3,703 as of December 31, 2015 and 2014, respectively 327,714 [1] 31,542
Accrued expenses and other current liabilities, including consolidated variable interest entities of $34,338 and $1,286 as of December 31, 2015 and 2014, respectively 123,280 2,326
Liabilities, Noncurrent [Abstract]    
Deferred tax liabilities, including consolidated variable interest entities of $37,295 as of December 31, 2015 and zero as of December 31, 2014 $ 39,482 $ 2,881
Par value (in dollars per share) $ 0.01 $ 0.01
Shares authorized (in shares) 50,000,000 50,000,000
Shares issued (in shares) 0 0
Shares outstanding (in shares) 0 0
Treasury stock (in shares) 5,244,000 0
Consolidated variable interest entities    
Current assets:    
Current portion of restricted cash, including consolidated variable interest entities of $46,321 and $1,860 as of December 31, 2015 and 2014, respectively $ 46,321 $ 1,860
Prepaid expenses and other current assets, including consolidated variable interest entities of $123,876 as of December 31, 2015 and zero as of December 31, 2014 123,876 0
Assets, Noncurrent [Abstract]    
Power plants, net, including consolidated variable interest entities of $478,884 and $174,804 as of December 31, 2015 and 2014, respectively 478,884 174,804
Intangible assets, net including consolidated variable interest entities of $51,159 as of December 31, 2015 and zero as of December 31, 2014 51,159 0
Deposit for acquisitions, net including consolidated variable interest entities of $40,134 as of December 31, 2015 and zero as of December 31, 2014 40,134 0
Current liabilities:    
Current portion of long-term debt, including consolidated variable interest entities of $326,535 and 3,703 as of December 31, 2015 and 2014, respectively 326,535 3,703
Accrued expenses and other current liabilities, including consolidated variable interest entities of $34,338 and $1,286 as of December 31, 2015 and 2014, respectively 34,338 1,286
Liabilities, Noncurrent [Abstract]    
Deferred tax liabilities, including consolidated variable interest entities of $37,295 as of December 31, 2015 and zero as of December 31, 2014 $ 37,295 $ 0
Class A Common Stock    
Liabilities, Noncurrent [Abstract]    
Par value (in dollars per share) $ 0.01 $ 0
Shares authorized (in shares) 2,750,000,000 0
Shares issued (in shares) 114,630,318 0
Shares outstanding (in shares) 114,630,318 0
Class B Common Stock    
Liabilities, Noncurrent [Abstract]    
Par value (in dollars per share) $ 0.01 $ 0
Shares authorized (in shares) 200,000,000 0
Shares issued (in shares) 61,343,054 0
Shares outstanding (in shares) 61,343,054 0
Class B1 common stock    
Liabilities, Noncurrent [Abstract]    
Par value (in dollars per share) $ 0.01 $ 0
Shares authorized (in shares) 550,000,000 0
Shares issued (in shares) 0 0
Shares outstanding (in shares) 0 0
[1] Approximately $319.0 million of long-term debt has been classified as current due to non-compliance with certain debt covenants as of December 31, 2015.