CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Current Assets:
Cash and Cash Equivalents	$ 131,912	$ 309,338
Restricted Cash	14,163	8,447
Investments	135,170	6,283
Accounts Receivable, net of an allowance for credit losses of $175 and $250, respectively	31,628	30,156
Short-term Lessor Maintenance Deposits	1,211	5,505
Inventory, net of a reserve for obsolescence of $1,255 and $1,275, respectively	7,280	5,405
Prepaid Expenses	11,692	8,511
Other Current Assets	4,684	1,798
Total Current Assets	337,740	375,443
Property & Equipment, net:
Finance Lease Assets	262,060	209,457
Total Property & Equipment	948,638	695,587
Accumulated Depreciation & Amortization	(159,779)	(117,069)
Total Property & Equipment, net	788,859	578,518
Other Assets:
Goodwill	222,223	222,223
Other Intangible Assets, net	86,110	89,110
Operating Lease Right-of-use Assets	23,919	61,658
Aircraft Deposits	9,128	10,021
Long-term Lessor Maintenance Deposits	29,714	20,346
Deferred Tax Asset	14,734	17,608
Other Assets	9,017	5,495
Total Other Assets	394,845	426,461
Total Assets	1,521,444	1,380,422
Current Liabilities:
Accounts Payable	49,969	39,805
Accrued Salaries, Wages, and Benefits	25,900	28,527
Accrued Transportation Taxes	11,000	12,736
Air Traffic Liabilities	132,830	118,562
Over-market Liabilities	1,535	4,309
Finance Lease Obligations	17,484	11,705
Loyalty Program Liabilities	13,045	11,451
Operating Lease Obligations	6,281	17,231
Current Maturities of Long-term Debt	45,535	29,412
Income Tax Receivable Agreement Liability	2,260	0
Other Current Liabilities	14,850	7,913
Total Current Liabilities	320,689	281,651
Long-term Liabilities:
Over-market Liabilities	1,423	10,428
Finance Lease Obligations	237,644	180,450
Loyalty Program Liabilities	3,272	8,267
Operating Lease Obligations	21,508	58,810
Long-term Debt	324,662	248,014
Income Tax Receivable Agreement Liability	101,540	98,800
Other Long-term Liabilities	2,701	3,413
Total Long-term Liabilities	692,750	608,182
Total Liabilities	1,013,439	889,833
Commitments and Contingencies (see Note 13)
Common Stock, Number of Shares, Par Value and Other Disclosure [Abstract]
Common stock, with $0.01 par value, 995,000,000 shares authorized, 58,168,497 and 57,872,452 issued at September 30, 2022 and December 31, 2021, respectively	582	579
Preferred Stock, Number of Shares, Par Value and Other Disclosure [Abstract]
Preferred stock, with $0.01 par value, 5,000,000 shares authorized, no shares issued and outstanding at September 30, 2022 and December 31, 2021	0	0
Treasury stock, at cost, 1,823 shares held at September 30, 2022 and no shares held at December 31, 2021	(52)	0
Additional Paid-In Capital	493,493	485,638
Retained Earnings	14,764	4,372
Accumulated Other Comprehensive Loss	(782)	0
Total Stockholders' Equity	508,005	490,589
Total Liabilities and Stockholders' Equity	1,521,444	1,380,422
Aircraft and Flight Equipment
Property & Equipment, net:
Aircraft and Flight Equipment	628,375	447,319
Ground Equipment and Leasehold Improvements
Property & Equipment, net:
Aircraft and Flight Equipment	33,809	20,876
Computer Hardware and Software
Property & Equipment, net:
Aircraft and Flight Equipment	10,402	8,785
Rotable Parts
Property & Equipment, net:
Aircraft and Flight Equipment	$ 13,992	$ 9,150