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10-K
EXHIBIT 10.28
EXHIBIT 10.29
EXHIBIT 10.31
EXHIBIT 23.1
EXHIBIT 31.1
EXHIBIT 31.2
EXHIBIT 32.1
Employee Benefit Plan (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Compensation and Retirement Disclosure [Abstract]
Matching contributions to 401(k) savings retirement plan
$ 1.7
$ 1.2
$ 0.9