Stock Based Compensation (Tables)

9 Months Ended

Sep. 30, 2020

Share-based Payment Arrangement [Abstract]

Schedule of RSU Activity

The table below summarizes RSU activity for the three and nine months ended September 30, 2020:

	Three Months Ended			Nine Months Ended
	September 30, 2020			September 30, 2020
	Restricted Stock Units	Weighted Average Grant Date Fair Value		Restricted Stock Units	Weighted Average Grant Date Fair Value
Unvested RSUs, beginning of period	1,637,445	$	10.02	1,099,901	$	12.97
Granted	21,552	6.46		874,919	7.14
Vested	(110,548)	14.43		(426,371)	13.03
Forfeited	(27,678)	10.07		(27,678)	10.07
Unvested RSUs, end of period	1,520,771	$	9.65	1,520,771	$	9.65

Schedule of PSU Activity

The table below summarizes PSU activity for the three and nine months ended September 30, 2020:

	Three Months Ended			Nine Months Ended
	September 30, 2020			September 30, 2020
	Performance Stock Units	Weighted Average Grant Date Fair Value		Performance Stock Units	Weighted Average Grant Date Fair Value
Unvested PSUs, beginning of period	1,086,419	$	11.28	701,128	$	14.31
Granted	—	—		401,958	6.14
Vested	(25,260)	14.58		(41,927)	14.58
Forfeited	(30,529)	10.77		(30,529)	10.77
Unvested PSUs, end of period	1,030,630	$	11.22	1,030,630	$	11.22

Schedule of Assumptions Used to Calculate Grant Date Fair Value of PSUs

The following table summarizes the assumptions used to calculate the grant date fair value of these PSUs.

	Nine Months Ended
Grant Date Fair Value Assumptions	September 30, 2020	September 30, 2019
Expected term (in years)	2.85	2.67-2.85
Expected volatility	33.50%	31.58% - 33.61%
Risk-free interest rate	1.16%	2.29% - 2.48%