Annual report pursuant to Section 13 and 15(d)

Stock-based and Long-Term Compensation - Schedule of Option Activity (Details)

v3.7.0.1
Stock-based and Long-Term Compensation - Schedule of Option Activity (Details) - $ / shares
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Series A common stock      
Stock options granted (in shares) 0 0 0
Common Class A      
Series A common stock      
Beginning of Period (in shares) 202,142    
Stock options granted (in shares) 0    
Exercised (in shares) 0    
Forfeited (in shares) (36,437)    
Ending of Period (in shares) 165,705 202,142  
Exercisable, Ending of Period (in shares) 163,458    
WAEP      
Beginning of Period (in dollars per share) $ 48.88    
Granted (in dollars per share) 0.00    
Exercised (in dollars per share) 0.00    
Forfeited (in dollars per share) 49.66    
Ending of Period (in dollars per share) 48.71 $ 48.88  
Exercisable, Ending of Period (in dollars per share) $ 48.54