Annual report pursuant to Section 13 and 15(d)

Employee Benefit Plan (Details)

v2.4.1.9
Employee Benefit Plan (Details)
12 Months Ended
Dec. 31, 2014
Compensation and Retirement Disclosure [Abstract]  
Maximum deferral of pre-tax eligible compensation per terms of plan 100.00%ent_DefinedContributionPlanEmployeePercentageofGrossPay