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The price per share of the conversion feature embedded in the debt instrument.

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Remaining amortization period for discount on the liability component of convertible debt which may be settled in cash upon conversion, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instrument must exceed threshold percentage for specified number of trading days to trigger conversion feature.

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CONVERTIBLE SENIOR NOTES, TERM LOAN AND CAPPED CALLS - 2024 Notes and Capped Call (Details) $ / shares in Units, shares in Millions	1 Months Ended				12 Months Ended
	Feb. 28, 2023 USD ($)	Dec. 31, 2021 USD ($)	Nov. 30, 2019 USD ($)	Feb. 28, 2019 USD ($) d $ / shares shares	Mar. 31, 2023 USD ($) $ / shares	Aug. 10, 2022 USD ($)	Apr. 01, 2022 USD ($)	Mar. 31, 2022 USD ($) $ / shares
Debt Instrument [Line Items]
Common stock, par value per share (in dollars per share) \| $ / shares					$ 0.001			$ 0.001
Accumulated deficit					$ 792,917,000			$ 766,438,000
Additional paid-in capital					(905,635,000)			(956,599,000)
Convertible Debt \| Accounting Standards Update 2020-06
Debt Instrument [Line Items]
Accumulated deficit							$ 46,700,000
Additional paid-in capital							92,800,000
Term loan							$ 46,200,000
Convertible Debt \| Convertible Senior Notes 2024
Debt Instrument [Line Items]
Debt instrument, face value				$ 287,500,000	$ 63,295,000	$ 403,800,000		$ 500,000,000
Debt instrument, interest rate				0.50%
Net proceeds from term loan				$ 245,800,000
Common stock, par value per share (in dollars per share) \| $ / shares				$ 0.001
Debt instrument, convertible, conversion price (in dollars per share) \| $ / shares				$ 25.68
Debt instrument, convertible, threshold trading days \| d				20
Debt instrument, convertible, threshold consecutive trading days \| d				30
Debt instrument, convertible, threshold percentage of stock price trigger				130.00%
Debt instrument, convertible, measurement period \| d				5
Debt instrument, convertible, threshold consecutive trading days preceding measurement period \| d				10
Debt instrument, threshold percentage of sales price per share				98.00%
Debt instrument, redemption price, percentage				100.00%
Unamortized debt discount and issuance costs					9 months
Debt instrument, strike price per share (in dollars per share) \| $ / shares				$ 25.68
Debt instrument, initial cap price per share (in dollars per share) \| $ / shares				$ 39.50
Additional paid in capital, unwinding of capped calls	$ 200,000
Convertible Debt \| Convertible Senior Notes 2024 \| Call Option
Debt Instrument [Line Items]
Option indexed to issuer's equity, indexed shares (in shares) \| shares				14.1
Convertible Debt \| First Additional Notes
Debt Instrument [Line Items]
Debt instrument, face value			$ 75,000,000
Debt instrument, interest rate			0.50%
Net proceeds from term loan			$ 64,600,000
Convertible Debt \| Second Additional Notes
Debt Instrument [Line Items]
Debt instrument, face value		$ 137,500,000
Debt instrument, interest rate		0.50%
Net proceeds from term loan		$ 134,300,000
Convertible Debt \| Aggregate Notes
Debt Instrument [Line Items]
Debt instrument, face value		$ 500,000,000