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Organization and Significant Accounting Policies - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Dec. 31, 2019	Nov. 30, 2018	Jun. 30, 2017
Organization And Summary Of Significant Accounting Policies [Line Items]
Sales returns coverage period	30 days
Unbilled accounts receivable	$ 6.9
Noncurrent deferred revenue	$ 3.6	$ 2.1
Amortization period for incentive compensation costs	1 year
Minimum
Organization And Summary Of Significant Accounting Policies [Line Items]
Contract payment term	30 days
Maximum
Organization And Summary Of Significant Accounting Policies [Line Items]
Contract payment term	90 days
0.75% Senior Convertible Notes due 2022 | Senior Notes
Organization And Summary Of Significant Accounting Policies [Line Items]
Interest rate on convertible notes (as a percent)				0.75%
0.75% Senior Convertible Notes due 2023 | Senior Notes
Organization And Summary Of Significant Accounting Policies [Line Items]
Interest rate on convertible notes (as a percent)			0.75%

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-Name Accounting Standards Codification
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