XML 60 R49.htm IDEA: XBRL DOCUMENT v3.24.1.1.u2
Long-Term Debt, Finance Leases, and Other Borrowings - Schedule of Long-term Debt (Detail) - USD ($)
$ in Thousands
Dec. 31, 2023
Sep. 30, 2023
Debt Instrument [Line Items]    
Gross long-term debt, including current maturities $ 480,951 $ 538,274
Less unamortized debt issuance costs (4,383) (5,083)
Less notes payable warrants (4,315) (4,913)
Net long-term debt, including current maturities 472,253 528,278
Less current portion, net of unamortized debt issuance costs (156,789) (163,550)
Net long-term debt 315,464 364,728
Revolving credit facility quaterly collateralized by underlying equipment and investments through two thousand twenty eight [Member]    
Debt Instrument [Line Items]    
Gross long-term debt, including current maturities 45,630 40,630
Senior and Subordinated Notes Payable to Secured Parties, Due in Monthly Installments Collateralized by the Underlying Aircraft Through 2027 [Member]    
Debt Instrument [Line Items]    
Gross long-term debt, including current maturities   39,018
Notes Payable to Secured Parties, Due in Semi Annual Installments Collateralized by the Underlying Aircraft Through 2028 [Member]    
Debt Instrument [Line Items]    
Gross long-term debt, including current maturities 108,815 108,815
Notes Payable to Secured Parties, Due in Quarterly Installments Collateralized by the Underlying Aircraft Through 2028 [Member]    
Debt Instrument [Line Items]    
Gross long-term debt, including current maturities 86,194 90,401
United Bridge Loan Quaterly Collateralized By Underlying Equipment And Investments Through Two Thousand Twenty Four [Member]    
Debt Instrument [Line Items]    
Gross long-term debt, including current maturities 10,500 10,500
Other Obligations Due to Financial Institutions, Monthly or Quarterly Collateralized by the Underlying Equipment, Due 2022 Through 2031 [Member]    
Debt Instrument [Line Items]    
Gross long-term debt, including current maturities 68,540 67,637
Notes Payable to Financial Institution, Due in Monthly Installments Collateralized by the Underlying Equipment, Through 2024 [Member]    
Debt Instrument [Line Items]    
Gross long-term debt, including current maturities 271 1,075
Notes Payable to Financial Institution, Due in Monthly Installments Collateralized by the Underlying Equipment, Through 2024 [Member]    
Debt Instrument [Line Items]    
Gross long-term debt, including current maturities 38,846 41,098
Notes Payable to Financial Institution, Quarterly, Through 2027 [Member]    
Debt Instrument [Line Items]    
Gross long-term debt, including current maturities $ 122,155 $ 139,100