Acquisitions - Inference Solutions Narrative (Details) - USD ($) $ in Thousands		12 Months Ended
	Nov. 18, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Nov. 30, 2020
Business Acquisition [Line Items]
Cash paid to acquire Virtual Observer		$ 0	$ 165,338	$ 0
Contingent consideration		23,740	18,100
Goodwill		165,420	165,420	$ 11,798
Inference Solutions
Business Acquisition [Line Items]
Cash consideration	$ 156,700
Cash paid to acquire Virtual Observer	137,000
Contingent consideration	18,100	23,700			$ 24,000
Contingent consideration, range of outcomes, low		0
Contingent consideration, range of outcomes, high		24,000
Goodwill	$ 130,976
Business combination, acquisition related costs		300	$ 2,900
Inference Solutions | Acquired technology
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, weighted average useful life (years)	6 years
Inference Solutions | Customer relationships
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, weighted average useful life (years)	5 years
Inference Solutions | Trade name and trademarks
Business Acquisition [Line Items]
Acquired finite-lived intangible assets, weighted average useful life (years)	2 years
Inference Solutions | Maximum
Business Acquisition [Line Items]
Contingent consideration		$ 24,000