Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Notes) (Details)

v3.3.1.900
Summary of Significant Accounting Policies (Notes) (Details) - USD ($)
 1 Months Ended 12 Months Ended
Nov. 19, 2015
Jun. 18, 2014
Dec. 31, 2015
Dec. 31, 2015
Dec. 31, 2014
Sep. 01, 2015
Dec. 15, 2014
Jul. 09, 2014
Feb. 01, 2014
Convertible Notes                  
Payment of term notes       $ 10,000,000          
Other Income                  
Cash received for certain expenses from vendor   $ 1,825,000              
Gain from reimbursement of certain expenses from vendor       1,825,000          
Net loss attributable to noncontrolling interest         $ (195,000)        
Convertible Notes                  
Convertible Notes                  
Face amount     $ 172,500,000 $ 172,500,000 172,500,000        
Face amount             $ 172,500,000    
Interest rate (as a percent)     1.75% 1.75%     1.75%    
Term Loan                  
Convertible Notes                  
Face amount $ 160,000,000                
Face amount 160,000,000                
Payment of term notes     $ 10,000,000            
Periodic payment $ 2,000,000                
ERS                  
Other Income                  
Ownership interest (as a percent)           54.80%     64.50%
Net loss attributable to noncontrolling interest       $ 0 $ 195,000        
Klein | ERS                  
Other Income                  
Ownership interest (as a percent)     54.80% 54.80%       11.70%