Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Details 1)

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Stock-Based Compensation (Details 1) (USD $)
In Thousands, except Share data, unless otherwise specified
6 Months Ended 12 Months Ended
Jun. 30, 2014
Dec. 31, 2013
Summary of stock based compensation agreements    
Unrecognized stock-based compensation cost $ 27,668 $ 17,385
Weighted average years remaining vesting period 2 years 7 months 28 days 2 years 2 months 5 days
Total equity awards outstanding 1,336,921 [1] 1,317,710 [1]
[1] (1) Includes vested and unvested options outstanding and unvested restricted stock awards.