Benefit Plans	12 Months Ended
Dec. 31, 2017
Retirement Benefits [Abstract]
Benefit Plans	Benefit Plans The Company adopted a 401(k) savings plan effective February 1, 2005, covering all of the Company’s employees upon completion of 30 days of service. Employees may contribute a percentage of eligible compensation on both a before-tax basis and after-tax basis. The Company has the right to make discretionary contributions to the plan. For the years ended December 31, 2017, 2016 and 2015, total costs incurred from the Company’s contributions to the 401(k) plan were $1.0 million, $1.2 million and $1.0 million, respectively.

Benefit Plans

12 Months Ended

Dec. 31, 2017

The Company adopted a 401(k) savings plan effective February 1, 2005, covering all of the Company’s employees upon completion of 30 days of service. Employees may contribute a percentage of eligible compensation on both a before-tax basis and after-tax basis. The Company has the right to make discretionary contributions to the plan. For the years ended December 31, 2017, 2016 and 2015, total costs incurred from the Company’s contributions to the 401(k) plan were $1.0 million, $1.2 million and $1.0 million, respectively.