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Revolving Credit Facility and Long-Term Debt (Tables) | 3 Months Ended
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Mar. 31, 2022
Debt Disclosure [Abstract] |
Schedule of Long-term Debt Instruments | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | March 31, 2022 |  | December 31, 2021
Term loans | ​ | $ | 131,250 | ​ | $ | 133,125
Revolving credit loans | ​ |  | 121,500 | ​ |  | 110,000
Less unamortized debt issuance costs | ​ |  | (263) | ​ |  | (290)
Total long-term debt | ​ |  | 252,487 | ​ |  | 242,835
Less current portion | ​ |  | 9,375 | ​ |  | 8,438
Long-term portion | ​ | $ | 243,112 | ​ | $ | 234,397
Schedule of Long-term Debt Covenants | ​
​ | ​ | ​ | ​ | ​
​ |  | Covenant Requirement | ​
Consolidated Total Leverage Ratio (1) |  | ​ | 4.0 to 1.0 | ​
Consolidated Interest Coverage Ratio (2) |  | ​ | 3.0 to 1.0 | ​
Facility Capital Expenditures (3) | ​ | ​ | $50 million | ​
(1) | Maximum Consolidated Total Net Leverage Ratio (as defined in the Third Amended Credit Agreement) as of any fiscal quarter end.
(2) | Minimum ratio of Consolidated EBITDA (as defined in the Third Amended Credit Agreement and adjusted for certain expenditures) to Consolidated Interest Expense (as defined in the Third Amended Credit Agreement) for any period of four consecutive fiscal quarters.
(3) | Maximum level of the aggregate amount of all Facility Capital Expenditures (as defined in the Third Amended Credit Agreement) in any fiscal year.
Schedule of Maturities of Long-term Debt | Future minimum principal payments on our long-term debt, as of March 31, 2022, were as follows (in thousands):
​ | ​ | ​ | ​
Years Ending | ​ | Future Minimum
December 31, |  | Principal Payments
Remaining 2022 |  | $ | 6,562
2023 | ​ | ​ | 11,250
2024 | ​ | ​ | 234,938
Total future minimum principal payments | ​ | $ | 252,750

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