Subsequent Events - Additional Information (Details) - USD ($) $ in Thousands		1 Months Ended		3 Months Ended
	Apr. 06, 2021	May 07, 2021	Nov. 30, 2017	Mar. 31, 2021	Mar. 31, 2020
Subsequent Event [Line Items]
Cash paid net of cash acquired				$ 32,401	$ 34,941
1.50% Convertible Senior Notes Due 2022
Subsequent Event [Line Items]
Common stock issued upon conversion of notes			3,400,000
Subsequent Event | 1.50% Convertible Senior Notes Due 2022
Subsequent Event [Line Items]
Common stock issued upon conversion of notes		36,633
Conversion of aggregate principal amount of notes		$ 1,200
xMatters | Subsequent Event
Subsequent Event [Line Items]
Date of acquisition of business	May 07, 2021
Total purchase price net of cash acquired	$ 242,300
Cash paid net of cash acquired	$ 177,800
Number of newly issued common stock	555,332