Debt (Details) - Convertible Debt	3 Months Ended			6 Months Ended
	Jun. 30, 2023 USD ($) day $ / shares	Mar. 31, 2023 day	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($) $ / shares	Jun. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)	Jan. 11, 2021 USD ($) Rate	May 04, 2020 USD ($)
2028 Convertible Notes
Line of Credit Facility [Line Items]
Debt instrument, face amount							$ 345,000,000
Stated interest rate (as a percent)	0.25%			0.25%		0.25%	0.25%
Convertible notes, conversion price (in dollars per share) | $ / shares	$ 16.07			$ 16.07
Interest expense, contractual coupon interest	$ 200,000		$ 200,000	$ 400,000	$ 400,000
Interest expense, accretion of debt discount	400,000		400,000	700,000	700,000
Interest expense, amortization of debt issuance costs	8,500		8,400	$ 17,000	16,800
Effective interest rate on convertible notes (as a percent)				0.70%
2028 Convertible Notes | Level 2
Line of Credit Facility [Line Items]
Estimated fair value of debt	$ 251,900,000			$ 251,900,000		$ 218,200,000
2025 Convertible Notes
Line of Credit Facility [Line Items]
Debt instrument, face amount								$ 201,300,000
Stated interest rate (as a percent)	1.25%			1.25%		1.25%		1.25%
Convertible notes, conversion price (in dollars per share) | $ / shares	$ 16.07			$ 16.07
Interest expense, contractual coupon interest	$ 600,000		600,000	$ 1,300,000	1,200,000
Interest expense, accretion of debt discount	300,000		300,000	600,000	600,000
Interest expense, amortization of debt issuance costs	37,700		$ 37,000	$ 100,000	$ 100,000
Effective interest rate on convertible notes (as a percent)				1.96%
2025 Convertible Notes | Level 2
Line of Credit Facility [Line Items]
Estimated fair value of debt	$ 192,100,000			$ 192,100,000		$ 169,600,000
2025 Convertible Notes | Debt Instrument, Redemption, Period One
Line of Credit Facility [Line Items]
Conversion price on applicable trading day (as a percent)	130.00%	130.00%
Threshold trading days (in days) | day	20	20
Consecutive trading days (in days) | day	30	30