v3.8.0.1

Retirement Plan | 12 Months Ended
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Dec. 31, 2017
Retirement Plan |
Retirement Plan | 14. Retirement Plan The Company has established a 401(k) plan for eligible employees to contribute up to 100% of their compensation, limited by the IRS-imposed maximum contribution amount. The Company matches 33% of each employee's contribution up to 6% of the employee's salary deferral. For the years ended December 31, 2017, 2016 and 2015, the Company made employer contributions of $1.3 million, $1.1 million and $0.8 million, respectively.

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- Definition The entire disclosure for pension and other postretirement benefits. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -URI http://asc.fasb.org/topic&trid=2235017 + Details
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