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Long-Term Debt and Financing Arrangements (Tables)
 6 Months Ended
Jun. 30, 2017
Debt Disclosure [Abstract]  
Schedule of Outstanding Debt

 

Period Ended

 

 

June 30,

 

 

December 31,

 

 

2017

 

 

2016

 

 

(in thousands)

 

 

 

 

 

 

 

 

 

Secured Equipment Notes due in June 2022 with monthly principal and interest payments between $0.03 million and $0.3 million commencing in July 2017; interest is paid monthly at a fixed annual rate of 2.62%

$

16,149

 

 

$

-

 

 

 

 

 

 

 

 

 

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%

 

53,635

 

 

 

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%

 

42,333

 

 

 

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%

 

40,374

 

 

 

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%

 

1,232

 

 

 

2,759

 

 

 

153,723

 

 

 

160,692

 

 

 

 

 

 

 

 

 

Less current portion

 

(47,582

)

 

 

(45,163

)

Total long-term debt

$

106,141

 

 

$

115,529