v3.25.3

Long-Term Debt, Finance Leases, and Other Borrowings - Schedule of Long-term Debt (Detail) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Gross long-term debt, including current maturities	$ 95,215	$ 230,608
Less unamortized debt issuance costs		(1,433)
Less notes payable warrants	(194)	(2,114)
Net long-term debt, including current maturities	95,021	227,061
Less current portion, net of unamortized debt issuance costs	(68,009)	(143,275)
Net long-term debt	27,012	83,786
Revolving Credit Facility, Quarterly Interest Through 2028 [Member]
Debt Instrument [Line Items]
Gross long-term debt, including current maturities	33,018	33,018
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		85,469
Notes Payable to the UST, Quarterly Through 2025 [Member]
Debt Instrument [Line Items]
Gross long-term debt, including current maturities	$ 62,197	$ 112,121

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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MESA AIR GROUP INC 10-Q