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Equity Method Investments - Rollforward of CCS Investment (Details) - USD ($)
 2 Months Ended 3 Months Ended 12 Months Ended
Mar. 03, 2016
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Feb. 10, 2014
Equity Method Investments [Roll Forward]                          
Beginning balance $ 17,232,000       $ 17,232,000         $ 17,232,000      
Cash distributions from Tinuum Group   $ (15,518,000) $ (10,735,000) $ (13,754,000) (5,577,000) $ (3,788,000) $ 41,000 $ (4,860,000) $ (314,000) (45,584,000) $ (8,921,000) $ (42,712,000)  
Adjustment for current year cash distributions in excess of investment balance                   38,250,000 8,651,000 43,584,000  
Total investment balance, equity earnings (loss) and cash distributions   3,959,000       17,232,000       3,959,000 17,232,000    
Tinuum Group                          
Equity Method Investments [Roll Forward]                          
Beginning balance 0       0       0 0 0 0  
ADES proportionate share of income from CCS                   35,019,000 35,265,000 26,613,000  
Recovery of cash distributions in excess of investment balance (prior to cash distributions)                   (3,263,000) (29,877,000) (12,906,000)  
Cash distributions from Tinuum Group                   (41,650,000) (8,651,000) (43,584,000)  
Adjustment for current year cash distributions in excess of investment balance                   9,894,000 3,263,000 29,877,000  
Total investment balance, equity earnings (loss) and cash distributions   $ 0       $ 0       $ 0 $ 0 0  
Ownership interest, percent   42.50%       42.50%       42.50% 42.50%    
Ownership interest multiplied by net income available to members, percent   42.50%               42.50%      
Tinuum Group | ADES equity earnings (loss)                          
Equity Method Investments [Roll Forward]                          
Beginning balance 8,651,000       8,651,000       43,584,000 $ 8,651,000 $ 43,584,000 0  
ADES proportionate share of income from CCS                   35,019,000 35,265,000 26,613,000  
Recovery of cash distributions in excess of investment balance (prior to cash distributions)                   (3,263,000) (29,877,000) (12,906,000)  
Cash distributions from Tinuum Group                   0 0 0  
Adjustment for current year cash distributions in excess of investment balance                   9,894,000 3,263,000 29,877,000  
Total investment balance, equity earnings (loss) and cash distributions   $ 41,650,000       $ 8,651,000       41,650,000 8,651,000 43,584,000  
Tinuum Group | Cash distributions                          
Equity Method Investments [Roll Forward]                          
Beginning balance 8,651,000       8,651,000       43,584,000 8,651,000 43,584,000 0  
ADES proportionate share of income from CCS                   0 0 0  
Recovery of cash distributions in excess of investment balance (prior to cash distributions)                   0 0 0  
Cash distributions from Tinuum Group                   41,650,000 8,651,000 43,584,000  
Adjustment for current year cash distributions in excess of investment balance                   0 0 0  
Total investment balance, equity earnings (loss) and cash distributions   41,650,000       8,651,000       41,650,000 8,651,000 43,584,000  
Tinuum Group | Memo Account: Cash distributions and equity loss in (excess) of investment balance                          
Equity Method Investments [Roll Forward]                          
Beginning balance (3,263,000)       (3,263,000)       $ (29,877,000) (3,263,000) (29,877,000) (12,906,000)  
ADES proportionate share of income from CCS                   0 0 0  
Recovery of cash distributions in excess of investment balance (prior to cash distributions)                   3,263,000 29,877,000 12,906,000  
Cash distributions from Tinuum Group                   0 0 0  
Adjustment for current year cash distributions in excess of investment balance                   (9,894,000) (3,263,000) (29,877,000)  
Total investment balance, equity earnings (loss) and cash distributions   9,894,000       (3,263,000)       9,894,000 (3,263,000) (29,877,000)  
RCM6, LLC (RCM6)                          
Equity Method Investments [Roll Forward]                          
Beginning balance 13,264,000       $ 13,264,000         13,264,000      
Cash distributions from Tinuum Group $ 557,000                 557,000 4,568,000 $ 4,497,000  
Total investment balance, equity earnings (loss) and cash distributions   $ 0       $ 13,264,000       $ 0 $ 13,264,000    
Ownership interest, percent   24.95%               24.95%     24.95%