Stock-Based Awards (Tables)

9 Months Ended

Sep. 30, 2017

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of Unrecognized Stock-Based Compensation Expense and Average Remaining Vesting Period

A summary of unrecognized stock-based compensation expense and average remaining vesting period is as follows:

	September 30, 2017
	Unrecognized Stock- Based Compensation		Average Remaining Vesting Period
Employees and directors	$	18,272		1.61

Summary of Stock Options, Restricted Stock and Restricted Stock Unit Activity

A summary of stock options, restricted stock and restricted stock unit activity for the three months ended September 30, 2017 is as follows:

	Stock Options			Restricted Stock Awards			Restricted Stock Units
Balance at July 1, 2017		1,325,947			2,241,633			2,276
Granted		—			96,598			3,472
Exercised/vested		(10,370	)		(150,454	)		—
Forfeitures		—			(10,948	)		—
Balance at September 30, 2017		1,315,577			2,176,829			5,748