Acquisitions - Related costs (Details) - Wandera Inc. $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($)
Business Combination, Separately Recognized Transactions [Line Items]
Acquisition-related costs	$ 6,252
Cost of revenue:
Business Combination, Separately Recognized Transactions [Line Items]
Acquisition-related costs	88
Sales and marketing
Business Combination, Separately Recognized Transactions [Line Items]
Acquisition-related costs	180
Research and development
Business Combination, Separately Recognized Transactions [Line Items]
Acquisition-related costs	1,088
General and administrative
Business Combination, Separately Recognized Transactions [Line Items]
Acquisition-related costs	$ 4,896