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Accrued Liabilities | 12 Months Ended
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Dec. 31, 2020
Payables and Accruals [Abstract] |
Accrued Liabilities | 13. Accrued Liabilities Accrued liabilities consisted of the following (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31,
​ |  | 2020 |  | 2019
Accrued salaries and other benefits | ​ | $ | 16,332 | ​ | $ | 19,300
Accrued income and other taxes | ​ |  | 11,414 | ​ |  | 11,019
Accrued interest | ​ |  | 22,693 | ​ |  | 16,462
Derivative liability - current | ​ |  | 4,809 | ​ |  | 593
Other accrued liabilities | ​ |  | 21,745 | ​ |  | 20,471
Accrued liabilities | ​ | $ | 76,993 | ​ | $ | 67,845
​

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- Definition The entire disclosure for accounts payable and accrued liabilities at the end of the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(a),20,24) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- References No definition available. + Details
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