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Benefit Plan (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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| Benefit Plan | |||
| Voluntary employer matching contributions | $ 1,176us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount | $ 891us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount | $ 660us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount |
| X | ||||||||||
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- Details
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- Definition
Amount of discretionary contributions made by an employer to a defined contribution plan. No definition available.
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