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Long-Term Debt and Financing Arrangements (Tables)

3 Months Ended

Mar. 31, 2017

Debt Disclosure [Abstract]

Schedule of Outstanding Debt

	Period Ended
	March 31,				December 31,
	2017				2016
Secured Equipment Notes due on various dates in 2021 with monthly principal and interest payments between $0.01 million and $0.3 million commencing on various dates in 2016; interest is paid monthly at a fixed annual rate between 2.04% and 2.96%	$	56,599			$	59,836
Secured Equipment Notes due on various dates in 2020 with monthly principal and interest payments between $0.04 million and $0.4 million commencing on various dates in 2015 and 2016; interest is paid monthly at a fixed annual rate between 1.72% and 2.26%		45,492				48,633
Secured Equipment Notes due on various dates in 2019 with monthly principal and interest payments between $0.08 million and $0.4 million commencing on various dates in 2014; interest is paid monthly at a fixed annual rate between 1.87% and 2.24%		44,928				49,464
Secured Equipment Notes due in June 2018 with quarterly principal and interest payments of $0.5 million commencing in August 2013; interest is paid quarterly at a fixed annual rate between 1.9% and 2.0%		1,891				2,759
		148,910				160,692
Less current portion		(44,750	)			(45,163	)
Total long-term debt	$	104,160			$	115,529

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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.

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