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Employee Benefit Plan (Details) (USD $)
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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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| Compensation and Retirement Disclosure [Abstract] | |||
| Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent | 100.00%us-gaap_DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent | ||
| Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay | 6.00%us-gaap_DefinedContributionPlanEmployerMatchingContributionPercent | ||
| Defined Contribution Plan, Contributions | $ 3,600,000us-gaap_DefinedContributionPlanCostRecognized | $ 2,300,000us-gaap_DefinedContributionPlanCostRecognized | $ 1,400,000us-gaap_DefinedContributionPlanCostRecognized |
| Defined Contribution Plan, Employer Discretionary Contribution Amount | $ 0us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount | ||
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- Details
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- Definition
The amount of the cost recognized during the period for defined contribution plans. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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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- Definition
Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan. No definition available.
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- Definition
Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan. No definition available.
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