Net Income Per Share - Computation of Basic and Diluted Net Income per Share (Details) - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Weighted average number of common shares outstanding, basic (in shares)	65,717,820	60,743,211	64,329,181	59,986,163
Weighted average number of common shares outstanding, diluted (in shares)	66,827,692	62,335,679	65,598,197	61,728,018
Stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Effect of dilutive securities (in shares)	978,657	1,370,792	1,082,247	1,514,245
Restricted stock units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Effect of dilutive securities (in shares)	131,215	221,676	186,769	227,610