Amount of transfers of assets measured on a recurring basis out of Level 1 of the fair value hierarchy into Level 2.

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Amount of transfers of assets measured on a recurring basis out of Level 1 of the fair value hierarchy into Level 2.

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Amount of transfers of liabilities measured on a recurring basis out of Level 2 of the fair value hierarchy into Level 1.

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Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Fair value portion of borrowing which can be exchanged for a specified number of another security at the option of the issuer or the holder, for example, but not limited to, the entity's common stock.

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Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount of transfers of financial instrument classified as a liability into level 3 of the fair value hierarchy.

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Amount of transfers of financial instrument classified as a liability out of level 3 of the fair value hierarchy.

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Amount of transfer of financial instrument classified as an asset into level 3 of the fair value hierarchy.

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Amount of transfers of financial instrument classified as an asset out of level 3 of the fair value hierarchy.

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Amount of investment in marketable security, classified as current.

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Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Feb. 10, 2023	Dec. 31, 2022	Feb. 13, 2020
Marketable securities	$ 41,721			$ 0
Total assets measured at fair value	170,793			172,590
Transfer of Assets From Level 1 to Level 2	0	$ 0
Transfer of Assets From Level 2 to Level 1	0	0
Transfer of Liabilities From Level 1 to Level 2	0	0
Transfer of Liabilities From Level 2 to Level 1	0	0
Transfer of Assets Into Level 3	0	0
Transfer of Assets Out of Level 3	0	0
Transfer of Liabilities Into Level 3	0	0
Transfer of Liabilities Out of Level 3	0	$ 0
Term notes outstanding principal balance	504,167
U.S. Treasury securities
Cash equivalents	5,977
Marketable securities	21,622
Corporate debt securities
Marketable securities	16,922
Government-sponsored securities
Marketable securities	3,177
Money market funds
Cash equivalents	123,095			172,590
Quoted Prices in active markets (Level 1)
Total assets measured at fair value	123,095			172,590
Quoted Prices in active markets (Level 1) \| Money market funds
Cash equivalents	123,095			$ 172,590
Significant other observable inputs (Level 2)
Total assets measured at fair value	47,698
Significant other observable inputs (Level 2) \| U.S. Treasury securities
Cash equivalents	5,977
Marketable securities	21,622
Significant other observable inputs (Level 2) \| Corporate debt securities
Marketable securities	16,922
Significant other observable inputs (Level 2) \| Government-sponsored securities
Marketable securities	3,177
2026 Convertible Notes
Convertible senior notes, fair value	$ 25,033
Interest rate (as a percent)	2.625%				2.625%
2029 Convertible Notes
Convertible senior notes, fair value	$ 208,415
Interest rate (as a percent)	2.875%		2.875%