Acquisitions - Wandera (Details) - USD ($)				2 Months Ended	3 Months Ended	5 Months Ended	6 Months Ended	12 Months Ended
	Dec. 15, 2021	Oct. 01, 2021	Jul. 01, 2021	Dec. 15, 2021	Dec. 31, 2021	Dec. 15, 2021	Dec. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Acquisitions
Measurement period adjustments								$ (477,000)	$ 0	$ 0
Wandera Inc.
Acquisitions
Voting interest			100.00%
Cash consideration	$ 25,000,000	$ 25,000,000	$ 359,300,000	$ 50,000,000		$ 409,300,000
Restricted cash			$ 700,000
Revenues							$ 10,600,000
Business combination, pro forma information, loss of acquiree since acquisition date, actual							11,300,000
Acquisition-related expenses								6,252,000
Measurement period adjustments					$ (500,000)
Measurement period adjustment, other current assets					400,000
Measurement period adjustment, deferred tax asset					100,000
Goodwill deductible for income tax purposes					$ 0		$ 0	$ 0
Weighted-average economic life of intangible assets acquired			7 years 9 months 18 days