Debt (Details) $ / shares in Units, shares in Thousands		1 Months Ended				3 Months Ended		6 Months Ended		21 Months Ended
	Apr. 30, 2020 USD ($) $ / shares	Oct. 31, 2023	Nov. 30, 2022 USD ($)	Apr. 30, 2020 USD ($) D $ / shares	Jul. 31, 2017	Jun. 30, 2024 USD ($) $ / shares shares	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($) $ / shares shares	Jun. 30, 2023 USD ($)	Sep. 30, 2023	Dec. 31, 2023 USD ($) $ / shares shares	Dec. 31, 2020 USD ($)	Sep. 30, 2015 USD ($)
Debt Instrument [Line Items]
Remaining borrowing capacity						$ 20,000,000.0		$ 20,000,000.0
Collateral amount						$ 150,000,000.0		$ 150,000,000.0
Common Stock, Par or Stated Value Per Share | $ / shares						$ 0.0001		$ 0.0001			$ 0.0001
Common stock, shares issued | shares						123,365		123,365			119,581
Accrued Interest						$ 1,078,000		$ 1,078,000			$ 1,078,000
Amortization of debt discount and issuance cost								658,000	$ 642,000
Interest expense						3,127,000	$ 3,177,000	6,251,000	6,238,000
Convertible Notes
Debt Instrument [Line Items]
Principal amount	$ 287,500,000			$ 287,500,000		287,500,000		$ 287,500,000
Proceeds from Convertible Note, net of issuance costs				$ 278,300,000
Per annum interest rate (as a percent)				2.25%				2.25%
Interest expense						$ 1,947,000	1,939,000	$ 3,892,000	3,876,000
Common Stock, Par or Stated Value Per Share | $ / shares	$ 0.0001			$ 0.0001
Debt instrument, term								7 years
Effective interest rate (as a percent)						2.72%		2.72%
Principal amount per convertible note				$ 1,000
Number of threshold consecutive trading days | D				30
Threshold business days | D				5
Conversion price (in dollars per share) | $ / shares	$ 38.79			$ 38.79
Initial conversion rate	25.7785
Convertible to shares of common stock	7,411,704
Percentage of principal amount converted	100.00%
Carrying value						$ 283,604,000		$ 283,604,000			282,945,000
5 consecutive trading day period | Convertible Notes
Debt Instrument [Line Items]
Threshold trading days | D				5
Percentage of conversion price				98.00%
20 trading days period | Convertible Notes
Debt Instrument [Line Items]
Threshold trading days | D				20
Percentage of conversion price				130.00%
Redeemable for cash on or after May 2024
Debt Instrument [Line Items]
Number of threshold consecutive trading days | D				20
Threshold trading days | D				30
Percentage of conversion price				130.00%
Percentage of principal amount converted				100.00%
Level 2 | Convertible Notes
Debt Instrument [Line Items]
Fair value of long-term debt						800,700,000		800,700,000			491,800,000
Line Of Credit-UBS
Debt Instrument [Line Items]
Maximum borrowing capacity			$ 100,000,000.0				100,000,000.0		100,000,000.0			$ 150,000,000.0	$ 50,000,000.0
Outstanding balance						80,400,000		80,400,000			$ 80,400,000
Credit facility drawn down								80,000,000.0
Remaining borrowing capacity						20,000,000.0		20,000,000.0
Borrowings under credit facility			$ 30,000,000.0
Collateral amount						$ 150,000,000.0		150,000,000.0
Interest expense								$ 2,400,000	$ 2,400,000
Interest rate (as a percent)						5.84%		5.84%
Interest expense						$ 1,200,000	$ 1,200,000
Line Of Credit-UBS | LIBOR
Debt Instrument [Line Items]
Spread on interest rate (as a percent)					1.10%
Line Of Credit-UBS | SOFR
Debt Instrument [Line Items]
Spread on interest rate (as a percent)		0.50%						0.50%		1.21%
2017 Term Loan
Debt Instrument [Line Items]
Debt, repayment amount				$ 79,200,000