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Debt (Tables) | 3 Months Ended
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Mar. 31, 2022
Debt Disclosure [Abstract] |
Schedule of outstanding debt obligations and interest expense related to convertible debt | Outstanding debt obligations as of March 31, 2022 were as follows (in thousands):
| Maturities |  | Interest Rates as of March 31, 2022 |  | March 31, 2022 |  | December 31, 2021
Convertible senior notes (1) | May 2025 |  | 1.50% |  | $ | 738,439 |  |  | $ | 604,317 |
Non-revolving Loan | 2022 - 2025 |  | 2.60% - 5.25% |  | 66,106 |  |  | 75,680 |
Master Vehicle Loan | 2022 - 2025 |  | 2.60% - 6.75% |  | 38,780 |  |  | 31,440 |
Total long-term debt, including current maturities |  |  |  |  | $ | 843,325 |  |  | $ | 711,437 |
Less: long-term debt maturing within one year |  |  |  |  | 55,921 |  |  | 56,264 |
Total long-term debt |  |  |  |  | $ | 787,404 |  |  | $ | 655,173 |
_______________ (1) The Company adopted ASC 2020-06 on January 1, 2022 using the modified retrospective approach, which resulted in a $133.5 million increase to the carrying value of the convertible senior notes to reflect the full principal amount of the convertible senior notes outstanding net of issuance costs at the time of adoption. The following table sets forth the primary components of interest expense as reported on the condensed consolidated statements of operations (in thousands):
| Three Months Ended March 31, |  |
| 2022 |  | 2021 |  |  |  |
Contractual interest expense related to the 2025 Notes | $ | 2,803 |  |  | $ | 2,803 |  |  |  |  |
Amortization of debt discount and issuance costs (1) | 653 |  |  | 8,471 |  |  |  |  |
Interest expense related to vehicle loans | 1,093 |  |  | 1,294 |  |  |  |  |
Interest expense | $ | 4,549 |  |  | $ | 12,568 |  |  |  |  |
_______________ (1) Following the adoption of ASC 2020-06 on January 1, 2022 using the modified retrospective approach, the debt discount associated with the equity component on convertible debt outstanding is now classified as debt, which results in a decrease in the amount of interest expense being recorded each period from January 1, 2022 to maturity.
Schedule of convertible notes | The net carrying amounts of the liability component of the 2025 Notes were as follows (in thousands):
| March 31, 2022 | December 31, 2021
Principal | $ | 747,498 |  | $ | 747,498 |
Unamortized debt discount and debt issuance costs (1) | (9,059) |  | (143,181) |
Net carrying amount of liability component | $ | 738,439 |  | $ | 604,317 |
_______________ (1) The Company adopted ASC 2020-06 on January 1, 2022 using the modified retrospective approach, which resulted in a $133.5 million increase to the carrying value of the convertible senior notes to reflect the full principal amount of the convertible senior notes outstanding net of issuance costs at the time of adoption.
Schedule of maturities of long-term debt outstanding | Maturities of long-term debt outstanding, including current maturities, as of March 31, 2022 were as follows (in thousands):
Remainder of 2022 | $ | 46,556 |
2023 | 30,889 |
2024 | 24,052 |
2025 | 741,828 |
2026 | — |
Thereafter | — |
Total long-term debt outstanding | $ | 843,325 |

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- Definition Tabular disclosure of convertible debt instrument. Includes, but is not limited to, principal amount and amortized premium or discount. + References No definition available. + Details
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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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- Definition Tabular disclosure of maturity and sinking fund requirement for long-term debt. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=123465755&loc=d3e1835-112601 + Details
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