Net Income Per Share - Computation of Basic and Diluted Net Income per Share (Details) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Weighted average number of common shares outstanding, basic (in shares)	64,370,791	59,844,991	63,627,231	59,601,365
Weighted average number of common shares outstanding, diluted (in shares)	65,578,513	61,486,325	64,970,187	61,332,451
Stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Effect of dilutive securities (in shares)	1,086,474	1,479,713	1,129,985	1,513,886
Restricted stock units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Effect of dilutive securities (in shares)	121,248	161,621	212,971	217,200