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Stock Based and Deferred Compensation (Details 1) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2015 | Dec. 31, 2014
Summary of stock based compensation agreements |  |  |
Unrecognized stock-based compensation cost |  | $ 21,756 | $ 20,577
Weighted average years expense recognition period |  | 2 years 4 months 24 days | 2 years 1 month 10 days
Total equity awards outstanding | [1] | 1,085,944 | 1,255,714
[1] | Includes options outstanding and unvested restricted stock and performance-based awards and restricted stock units.

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