Supplemental Purchase Agreement Transaction Information - Statement of operations (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 24, 2023	Dec. 31, 2023	Dec. 31, 2022
Operating revenues		$ 96,846	$ 51,630
Operating costs:
Operating expenses		88,044	46,546
General and administrative		11,430	15,455
Depreciation and amortization		8,492	11,830
Total operating costs		110,174	73,831
Income (loss) from operations		(13,328)	(22,201)
Other income (expense):
Interest income		576	317
Interest expense		(103)	(31)
Other income (expense),net		612	411
Gain from employee retention credit			2,966
Loss before income tax		(12,243)	(18,538)
Income tax benefit (expense)
Current		(25)	9
Income tax benefit (expense)		96	(107)
Net loss		$ (12,147)	$ (18,645)
Breckenridge
Operating revenues	$ 782
Operating costs:
Operating expenses	806
General and administrative	438
Depreciation and amortization	505
Total operating costs	1,749
Income (loss) from operations	(967)
Other income (expense):
Interest income	2
Other income (expense),net	(11)
Loss before income tax	(976)
Income tax benefit (expense)
Net loss	$ (976)