XML 35 R24.htm IDEA: XBRL DOCUMENT

Equity Incentive Plans (Tables)

3 Months Ended

Mar. 31, 2019

The following table includes activity related to outstanding service period stock options during the three months ended March 31, 2019.

Service Period Stock Options	Shares			Weighted Average Exercise Price
Outstanding at December 31, 2018		1,793,981		$	9.84
Exercised		(248,195	)		7.22
Outstanding at March 31, 2019		1,545,786		$	10.26

The following table includes activity related to outstanding performance-vested stock options during the three months ended March 31, 2019.

Performance Based Options	Shares			Weighted Average Exercise Price
Outstanding at December 31, 2018		1,275,746		$	13.62
Forfeited		(39,253	)		9.05
Outstanding at March 31, 2019		1,236,493		$	13.77

The following table includes activity related to outstanding restricted stock units during the three months ended March 31, 2019.

Restricted Stock Units	Shares			Weighted-Average Grant-Date Fair Value Per Unit
Outstanding at December 31, 2018		271,979		$	19.07
Granted		6,888			35.96
Issued upon vesting		(79,883	)		21.75
Forfeited		(168	)		35.96
Outstanding at March 31, 2019		198,816		$	18.56