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Long-term Debt (Tables) | 12 Months Ended
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Dec. 31, 2021
Debt Disclosure [Abstract] |
Schedule of Long-term Debt Instruments | As of December 31, 2021 and 2020, long-term debt consisted of the following (in thousands):
| 2021 |  | 2020
Revolving credit facilities(1) | $ | — |  |  | $ | 18,408 |
2026 Notes(2) | 131,291 |  |  | — |
2023 Notes(3) | 25,802 |  |  | 143,242 |
Promissory note | 17,534 |  |  | 17,095 |
Other debt and finance lease obligations | 4,123 |  |  | 4,792 |
Total debt | 178,750 |  |  | 183,537 |
Less: Current portion | (18,262) |  |  | (17,778) |
Total long-term debt | $ | 160,488 |  |  | $ | 165,759 |
____________________ (1)Presented net of $0.6 million of unamortized deferred financing costs as of December 31, 2020. Unamortized deferred financing costs of $2.7 million as of December 31, 2021 are presented in Other noncurrent assets. (2)The outstanding principal amount of the 2026 Notes was $135.0 million as of December 31, 2021. (3)The outstanding principal amount of the 2023 Notes was $26.0 million and $157.4 million as of December 31, 2021 and December 31, 2020, respectively. The following table provides details with respect to the carrying amount of the 2023 Notes in the consolidated balance sheets as of December 31, 2021 and 2020 (in thousands):
| 2021 |  | 2020
Principal amount of the liability component | $ | 25,969 |  |  | $ | 157,369 |
Less: Unamortized discount | — |  |  | 12,308 |
Less: Unamortized issuance costs | 167 |  |  | 1,819 |
Net carrying amount of the liability component | $ | 25,802 |  |  | $ | 143,242 |
Net carrying amount of the equity component | n.a. |  | $ | 25,683 |
The following table provides a summary of the Company's purchases of outstanding 2023 Notes during the years ended December 31, 2021, 2020 and 2019, with non-cash gains reported within Other income, net (in thousands):
| Principal Amount |  | Carrying Value of Liability |  | Cash Paid |  | Non-cash Gains Recognized
2021 | $ | 131,400 |  |  | $ | 129,974 |  |  | $ | 125,952 |  |  | $ | 4,022 |
2020 | 34,881 |  |  | 30,799 |  |  | 20,078 |  |  | 10,721 |
2019 | 7,750 |  |  | 6,724 |  |  | 6,724 |  |  | — |
Schedule of Maturities of Long-term Debt | Scheduled maturities of total debt as of December 31, 2021, are as follows (in thousands):
2022 | 18,262 |
2023 | 26,311 |
2024 | 485 |
2025 | 512 |
2026 | 131,806 |
Thereafter | 1,374 |
| $ | 178,750 |
Schedule of Significant Provisions of Our Revolving Credit Facility | The following provides a summary of the more significant provisions of the Company's former revolving credit facility.
| Prior to June 17, 2020 |  | From June 17, 2020 to February 10, 2021
Lender commitments | $350 million |  | $200 million
Interest rate on outstanding borrowings(1): |  |  |
LIBOR based borrowings | LIBOR plus a margin of 1.75% to 3.00% |  | LIBOR plus a margin of 2.50% to 3.75%
Base-rate based borrowings | Base rate plus a margin of 0.75% to 2.00% |  | Base rate plus a margin of 1.50% to 2.75%
Commitment fees(2) | 0.25% to 0.50% |  | 0.375% to 0.50%
____________________ (1)Based on the ratio of the Company's total net funded debt to consolidated EBITDA. (2)Based on unused commitments under the credit agreement.

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