Equity-based Compensation Plans

9 Months Ended

Sep. 30, 2018

16. Equity-based Compensation Plans

The following table summarizes the equity-based compensation that has been included in the following line items within the consolidated statements of operations during:


	Three Months Ended				Nine Months Ended
	September 30,		September 30,		September 30,		September 30,
($ in thousands)	2018		2017		2018		2017
Equity-based compensation expense:
Costs applicable to revenue	$	223	$	81	$	570	$	254
Selling, general, and administrative		3,965		1,123		9,965		2,538
Total equity-based compensation expense	$	4,188	$	1,204	$	10,535	$	2,792

The following table summarizes stock option activity for the nine months ended September 30, 2018:




	Stock Options
	(in thousands)
Outstanding at December 31, 2017		953
Exercised		(7)
Forfeited		(48)
Outstanding at September 30, 2018		898
Options exercisable at September 30, 2018		171

The following table summarizes restricted stock unit activity for the nine months ended September 30, 2018:


	Restricted
	Stock Units
	(in thousands)
Outstanding at December 31, 2017		1,247
Granted		725
Vested		(89)
Forfeited		(52)
Outstanding at September 30, 2018		1,831

The weighted-average grant date fair value of restricted stock units granted during the nine months ended September 30, 2018 was $25.73.