XML 33 R22.htm IDEA: XBRL DOCUMENT
v3.19.1

Long-Term Debt and Financing Arrangements (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2019
Debt Disclosure [Abstract] |
Schedule of Outstanding Debt |
| March 31, |  |  | December 31, |
| 2019 |  |  | 2018 |
| (in thousands except principal and interest payments) |
Secured Equipment Notes due on various dates in 2024 commencing on various dates in 2017, 2018 and 2019; interest is paid monthly at a fixed annual rate between 2.85% and 3.59% | $ | 21,660 |  |  | $ | 11,658 |
Secured Equipment Notes due on various dates in 2023 commencing on various dates in 2016, 2017, 2018 and 2019; interest is paid monthly at a fixed annual rate between 2.23% and 4.16% |  | 183,124 |  |  |  | 192,858 |
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 2.16% and 2.87% |  | 23,179 |  |  |  | 24,092 |
Secured Equipment Notes due on various dates in 2021 commencing on various dates from 2014 to 2017; interest is paid monthly at a fixed annual rate between 2.04% and 2.96% |  | 50,824 |  |  |  | 55,855 |
Secured Equipment Notes due on various dates in 2020 commencing on various dates from 2013 to 2016; interest is paid monthly at a fixed annual rate between 1.72% and 2.78% |  | 27,598 |  |  |  | 32,904 |
Secured Equipment Notes due on various dates in 2019 commencing on various dates from 2013 to 2015; interest is paid monthly at a fixed annual rate between 2.05% and 2.62% |  | 9,075 |  |  |  | 13,417 |
|  | 315,460 |  |  |  | 330,784 |
Less current portion |  | (100,227 | ) |  |  | (101,713 | )
Total long-term debt | $ | 215,233 |  |  | $ | 229,071 |

X
- References No definition available. + Details
Name: | us-gaap_DebtDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_ScheduleOfDebtTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration