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Long-Term Debt and Financing Arrangements (Tables) | 12 Months Ended
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Dec. 31, 2021
Debt Disclosure [Abstract] |
Schedule of Outstanding Debt | Our outstanding Notes are as follows (in thousands):
| December 31, |  |  | December 31, |
| 2021 |  |  | 2020 |
Interim funding for equipment received and expected to be converted to an equipment note in subsequent year; interest paid at a variable rate | $ | 17,186 |  |  | $ | 8,902 |
Secured Equipment Notes due on various dates in 2026 commencing on various dates in 2021; interest is paid monthly at a fixed annual rate between 1.48% and 2.41% |  | 94,766 |  |  |  | - |
Secured Equipment Notes due on various dates in 2025 commencing on various dates in 2020 and 2021; interest is paid monthly at a fixed annual rate between 1.51% and 1.80% |  | 63,308 |  |  |  | 74,494 |
Secured Equipment Notes due on various dates in 2024 commencing on various dates in 2017, 2019 and 2020; interest is paid monthly at a fixed annual rate between 2.50% and 3.59% |  | 34,432 |  |  |  | 49,920 |
Secured Equipment Notes due on various dates in 2023 commencing on various dates from 2016 to 2019; interest is paid monthly at a fixed annual rate between 2.20% and 4.20% |  | 61,824 |  |  |  | 112,668 |
Secured Equipment Notes due on various dates in 2022 commencing on various dates from 2015 to 2017; interest is paid monthly at a fixed annual rate of between 2.20% and 2.96% |  | 3,236 |  |  |  | 8,943 |
Secured Equipment Notes due on various dates in 2021 commencing on various dates from 2014 and 2016; interest is paid monthly at a fixed annual rate between 2.02% and 2.96% |  | - |  |  |  | 15,432 |
|  | 274,752 |  |  |  | 270,359 |
Less current portion |  | (97,273 | ) |  |  | (93,562 | )
Total long-term debt | $ | 177,479 |  |  | $ | 176,797 |
Summary of Aggregate Principal Payments | Aggregate principal payments, in thousands, due subsequent to December 31, 2021, are as follows:
Year 1 | $ | 97,273 |
Year 2 |  | 72,971 |
Year 3 |  | 48,031 |
Year 4 |  | 37,257 |
Year 5 |  | 19,220 |
| $ | 274,752 |

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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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