Long-Term Debt and Financing Arrangements (Tables)

6 Months Ended

Jun. 30, 2021

Debt Disclosure [Abstract]

Schedule of Outstanding Debt

	June 30,			December 31,
	2021			2020
	(in thousands)
Interim funding for equipment received and expected to be converted to an equipment note in subsequent period; interest paid at a variable rate		8,656			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 1.72% and 1.83%		17,058			-
Secured Equipment Notes due on various dates in 2025 commencing on various dates in 2020; interest is paid monthly at a fixed annual rate between 1.51% and 1.80%		66,988			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%		42,804			49,920
Secured Equipment Notes due on various dates in 2023 commencing on various dates in 2016 through 2019; interest is paid monthly at a fixed annual rate of between 2.20% and 4.20%		82,650			112,668
Secured Equipment Notes due on various dates in 2022 commencing on various dates in 2015 through 2017; interest is paid monthly at a fixed annual rate between 2.20% and 2.90%		6,238			8,943
Secured Equipment Notes due on various dates in 2021 commencing on various dates in 2014 through 2017; interest is paid monthly at a fixed annual rate between 2.02% and 2.96%		5,575			15,432
		229,969			270,359
Less current portion		(86,868	)		(93,562	)
Total long-term debt	$	143,101		$	176,797