Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUE DISCLOSURES - Schedule of Unamortized Debt Discount (Details)

v3.20.2
FAIR VALUE DISCLOSURES - Schedule of Unamortized Debt Discount (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Sep. 30, 2019
Dec. 07, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Unamortized discount $ 51,036 $ 50,660  
PK Air Debt | Secured Debt      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Unamortized discount 11,095 12,620  
Macquarie Debt | Secured Debt      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Unamortized discount 9,196 11,063  
7.750% Senior Notes | Senior Notes      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Unamortized discount $ 6,589 0  
Stated interest rate 7.75%   7.75%
Lombard Debt | Secured Debt      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Unamortized discount $ 23,817 26,372  
Airnorth Debt | Secured Debt      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Unamortized discount $ 339 $ 605