Fleet Servicing Agreement - Components of Fleet Servicing Fees (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Other Commitments [Line Items]
Consultant fleet revenues	$ 16,681	$ 17,757	$ 30,803	$ 22,346
Less: Base consulting fees	(300)	(300)	(600)	(600)
Less: Noncash medallion incentive	(262)	(262)	(525)	(525)
Less: Fleet operating and reimbursable expenses	(2,850)	(1,960)	(5,015)	(3,608)
Fleet servicing fees, net	(2,510)	(1,158)	(4,633)	(2,282)
Lease Agreements [Member]
Other Commitments [Line Items]
Consultant fleet revenues	$ 902	$ 1,364	$ 1,507	$ 2,451

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details