December 31,

2021

2020

Interim funding for equipment received and expected to be converted to an equipment note in subsequent year; interest paid at a variable rate

$

17,186

$

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 1.48% and 2.41%

94,766

-

Secured Equipment Notes due on various dates in 2025 commencing on various dates in 2020 and 2021; interest is paid monthly at a fixed annual rate between 1.51% and 1.80%

63,308

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%

34,432

49,920

Secured Equipment Notes due on various dates in 2023 commencing on various dates from 2016 to 2019; interest is paid monthly at a fixed annual rate between 2.20% and 4.20%

61,824

112,668

Secured Equipment Notes due on various dates in 2022 commencing on various dates from 2015 to 2017; interest is paid monthly at a fixed annual rate of between 2.20% and 2.96%

3,236

8,943

Secured Equipment Notes due on various dates in 2021 commencing on various dates from 2014 and 2016; interest is paid monthly at a fixed annual rate between 2.02% and 2.96%

-

15,432

274,752

270,359

Less current portion

(97,273

)

(93,562

)

Total long-term debt

$

177,479

$

176,797