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Stockholders' Equity and Equity Compensation - Summary of Stock Option Activity (Details) - $ / shares
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Shares    
Outstanding, beginning balance (in shares) 170,253  
Granted (in shares) 0 0
Exercised (in shares) 0  
Canceled/Expired (in shares) 0  
Outstanding, ending balance (in shares) 170,253  
Exercisable (in shares) 170,253  
Weighted Average Exercise Price    
Outstanding, beginning balance (in dollars per share) $ 21.99  
Granted (in dollars per share) 0.00  
Exercised (in dollars per share) 0.00  
Canceled/Expired (in dollars per share) 0.00  
Outstanding, ending balance (in dollars per share) 21.99  
Exercisable (in dollars per share) $ 21.99