The amount of the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1D
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Long-term Debt - Summary of Outstanding Principal Amount and Carrying Value (Parenthetical) (Details) - USD ($)	1 Months Ended
	Jun. 30, 2022	Nov. 30, 2021	Dec. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Unamortized debt issuance costs			$ 7,256,000	$ 9,056,000
2019 Convertible Senior Notes due 2026
Debt Instrument [Line Items]
Repurchase of debt principal amount	$ 9,850,000	$ 76,400,000
Unamortized debt issuance costs	199,000	1,800,000		217,000
2019 Note Repurchase \| 2019 Convertible Senior Notes due 2026
Debt Instrument [Line Items]
Repurchase of debt principal amount	9,850,000	$ 76,400,000
Unamortized debt issuance costs	$ 199,000			$ 1,800,000