Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2021

Retirement Benefits [Abstract]

Schedule of Fair Value of Options Granted

The following table summarizes the weighted-average assumptions used to compute the fair value of options granted to employees, members of our board of directors and non-employees:

	For the Three Months Ended March 31,
	2021	2020
Risk-free interest rate	0.6%	1.4 %
Expected life of options — years	6.10	3.82
Expected stock price volatility	33%	25 %
Expected dividend yield	1.0%	0.7 %

Schedule of Stock Options Activity Under Share-based Payment Plans

The following table summarizes stock option activity under our share-based plans for the three months ended March 31, 2021:

	Options	Weighted- Average Exercise Price Per Share		Weighted- Average Remaining Contractual Term (Years)	Aggregate Intrinsic Value
Outstanding as of December 31, 2020	184	$	4.73
Granted	53	$	6.14
Exercised	(38)	$	3.98
Forfeited, cancelled or expired	(1)	$	6.44
Outstanding as of March 31, 2021	198	$	5.26	5.93	$	194
Exercisable as of March 31, 2021	117	$	4.57	4.66	$	189

Schedule of Restricted Stock Unit and Stock Award Activity

The following table summarizes the restricted stock unit, including PRSU, activity under our share-based plans for the three months ended March 31, 2021:

	Shares	Grant Date Fair Value Per Share
Nonvested as of December 31, 2020	75	$	6.06
Granted	10	$	5.95
Vested	(6)	$	6.09
Forfeited	(2)	$	5.96
Nonvested as of March 31, 2021	77	$	6.05