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Equity Awards - Stock Options Narrative (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Stock Options [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of options granted     0  
Exercisable stock options 212,900   212,900  
Stock Options Vested     0  
Stock-based compensation expense     $ 0 $ 0
Restricted Stock [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation expense $ 900,000 $ 2,000,000 $ 2,900,000 $ 4,200,000