Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Schedule of Repurchase Agreements (Details)

v3.7.0.1
Stockholders' Equity - Schedule of Repurchase Agreements (Details) - USD ($)
shares in Thousands, $ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2016
Shares Repurchase Activity [Line Items]      
Shares (in shares) 61,539 158,965  
Amount $ 298,557 $ 588,480  
Treasury stock value $ 15,488   $ 22,906
Open Market      
Shares Repurchase Activity [Line Items]      
Shares (in shares) 61,539 158,965  
Amount $ 298,557 $ 588,480