Long-Term Debt - Schedule of Long-Term Debt (Details) $ in Thousands								12 Months Ended
		Aug. 10, 2022 USD ($)	Jul. 21, 2022 USD ($)	Oct. 01, 2020 USD ($)	Aug. 21, 2020 USD ($)	Feb. 03, 2020 USD ($) aircraft	Sep. 20, 2019 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2021 aircraft	Dec. 31, 2020 USD ($)
Debt Instrument [Line Items]
Loans payable								$ 208,387	$ 211,374
Less: noncurrent debt issuance costs								(2,746)	(3,695)
Less: current debt issuance costs								(1,002)	(995)
Less: current portion of long-term debt, net of debt issuance costs								(2,170)	(2,099)
Less: current portion of long-term debt, net of debt issuance costs	[1]							202,469	204,585
Number of aircrafts purchased | aircraft										2
Daher Kodiaks
Debt Instrument [Line Items]
Number of aircrafts purchased | aircraft						4
Taxable industrial revenue bonds, dated July 21, 2022, 11.5% interest rates, maturing September 1, 2027
Debt Instrument [Line Items]
Loans payable								$ 160,000	160,000
Proceeds from other long term debt		$ 25,000	$ 135,000
Long term debt bearing fixed interest rate percentage			11.50%
Debt issuance costs gross			$ 4,200
Debt instrument mandatory prepayment premium percentage			3.00%
Debt instrument redemption price percentage			100.00%
Debt instrument variable interest rate spread								11.50%
Taxable industrial revenue bonds, dated July 21, 2022, 11.5% interest rates, maturing September 1, 2027 | Debt Instrument, Redemption, Period One
Debt Instrument [Line Items]
Debt instrument prepayment premium percentage			3.00%
Taxable industrial revenue bonds, dated July 21, 2022, 11.5% interest rates, maturing September 1, 2027 | Debt Instrument, Redemption, Period Two
Debt Instrument [Line Items]
Debt instrument prepayment premium percentage			2.00%
Taxable industrial revenue bonds, dated July 21, 2022, 11.5% interest rates, maturing September 1, 2027 | Debt Instrument, Redemption, Period Three
Debt Instrument [Line Items]
Debt instrument prepayment premium percentage			0.00%
Permanent loan agreement, dated October 1, 2020, greater of Prime + 1.5% or 4.75% interest rate, maturing October 1, 2035
Debt Instrument [Line Items]
Loans payable								$ 17,604	18,457
Permanent loan agreement, dated October 1, 2020, greater of Prime + 1.5% or 4.75% interest rate, maturing October 1, 2035 | Prime Rate
Debt Instrument [Line Items]
Debt instrument variable interest rate spread								1.50%
Long term debt bearing variable interest rate percentage								4.75%
Permanent loan agreement, dated October 1, 2020, greater of Prime + 1.5% or 4.75% interest rate, maturing October 1, 2035 | Prime Rate | Live Oak Bank
Debt Instrument [Line Items]
Debt issuance costs gross				$ 900
Debt instrument face value											$ 19,000
Long term debt term				15 years
Long term debt initial period of interest only payments				2 years
Long term debt period over which principal and interest shall be repaid				13 years
Debt instrument variable interest rate spread				1.50%
Long term debt bearing variable interest rate percentage				4.75%
Permanent loan agreement, dated August 21, 2020, greater of Prime + 1.5% or 4.75% interest rate, maturing August 21, 2035
Debt Instrument [Line Items]
Loans payable								$ 17,532	18,391
Permanent loan agreement, dated August 21, 2020, greater of Prime + 1.5% or 4.75% interest rate, maturing August 21, 2035 | Prime Rate
Debt Instrument [Line Items]
Debt instrument variable interest rate spread								1.50%
Long term debt bearing variable interest rate percentage								4.75%
Permanent loan agreement, dated August 21, 2020, greater of Prime + 1.5% or 4.75% interest rate, maturing August 21, 2035 | Prime Rate | Live Oak Bank
Debt Instrument [Line Items]
Debt issuance costs gross					$ 1,000
Debt instrument face value					$ 19,000
Long term debt term					15 years
Long term debt initial period of interest only payments					2 years
Long term debt period over which principal and interest shall be repaid					13 years
Debt instrument variable interest rate spread					1.50%
Long term debt bearing variable interest rate percentage					4.75%
Term loan agreement dated September 30, 2019, LIBOR + 2.5%, maturing March 15, 2030
Debt Instrument [Line Items]
Loans payable								$ 9,822	10,466
Debt issuance costs gross							$ 100
Debt instrument face value							$ 12,900
Long term debt term							10 years
Long term debt initial period of interest only payments							6 months
Long term debt period over which principal and interest shall be repaid							10 years
Long term debt draw period							6 months
Long term debt period of amortization of principal							20 years
Term loan agreement dated September 30, 2019, LIBOR + 2.5%, maturing March 15, 2030 | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Debt instrument variable interest rate spread							2.61448%	2.61448%
Term loan agreement dated February 3, 2020, LIBOR + 2.5%, maturing February 3, 2027
Debt Instrument [Line Items]
Loans payable								$ 3,255	3,813
Term loan agreement dated February 3, 2020, LIBOR + 2.5%, maturing February 3, 2027 | CWB
Debt Instrument [Line Items]
Debt issuance costs gross						$ 100
Debt instrument face value						$ 5,600
Long term debt term						7 years
Long term debt initial period of interest only payments						8 months
Long term debt period over which principal and interest shall be repaid						76 months
Long term debt draw period						60 days
Long term debt period of amortization of principal						10 years
Term loan agreement dated February 3, 2020, LIBOR + 2.5%, maturing February 3, 2027 | Secured Overnight Financing Rate (SOFR)
Debt Instrument [Line Items]
Debt instrument variable interest rate spread								2.61448%
Term loan agreement dated February 3, 2020, LIBOR + 2.5%, maturing February 3, 2027 | Secured Overnight Financing Rate (SOFR) | CWB
Debt Instrument [Line Items]
Debt instrument variable interest rate spread						2.61448%
Various term loan agreements, earliest start at September 9, 2021, 3.89-5.5% interest rates, latest maturation on November 17, 2027
Debt Instrument [Line Items]
Loans payable								$ 174	$ 247
Various term loan agreements, earliest start at September 9, 2021, 3.89-5.5% interest rates, latest maturation on November 17, 2027 | Minimum
Debt Instrument [Line Items]
Long term debt bearing variable interest rate percentage								3.89%
Various term loan agreements, earliest start at September 9, 2021, 3.89-5.5% interest rates, latest maturation on November 17, 2027 | Maximum
Debt Instrument [Line Items]
Long term debt bearing variable interest rate percentage								5.50%

[1] Includes related party debt of zero and $10.0 million as of December 31, 2024 and 2023, respectively.