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Stock Repurchases (Tables)
 12 Months Ended
Dec. 31, 2015
Stock Repurchases [Abstract]  
Schedule of Repurchase of Common Stock
Period   Total
Number of
Shares
Purchased		     Average
Price Paid
per Share		     Total
Number of
Shares
Purchased as
Part of
Publicly
Announced
Program		     Maximum
Dollar Value
of Shares that
May Yet Be
Purchased
Under the
Program		  
                         
November 13, 2014 to December 31, 2014     680,813     $ 35.22       680,813          
January 1, 2015 to January 4, 2015     82,100     $ 34.57       82,100          
Total     762,913     $ 35.22       762,913     $ 73,157,000