CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Current Assets:
Cash and Cash Equivalents	$ 53,391	$ 83,219
Restricted Cash	13,737	17,252
Investments	105,376	104,053
Accounts Receivable, net of an allowance for credit losses of $748 and $617, respectively	39,656	35,296
Short-term Lessor Maintenance Deposits	1,146	521
Inventory, net of a reserve for obsolescence of $872 and $784, respectively	11,237	10,467
Prepaid Expenses	14,634	13,837
Other Current Assets	1,753	1,939
Total Current Assets	240,930	266,584
Property & Equipment, net:
Finance Lease Assets	309,877	309,877
Total Property & Equipment	1,309,850	1,305,082
Accumulated Depreciation & Amortization	(353,535)	(334,993)
Total Property & Equipment, net	956,315	970,089
Other Assets:
Goodwill	222,223	222,223
Other Intangible Assets, net of accumulated amortization of $31,166 and $29,903, respectively	76,575	77,838
Operating Lease Right-of-use Assets	16,239	16,896
Aircraft Deposits	7,925	7,925
Long-term Lessor Maintenance Deposits	55,712	53,624
Other Assets	16,107	14,998
Total Other Assets	394,781	393,504
Total Assets	1,592,026	1,630,177
Current Liabilities:
Accounts Payable	56,917	56,034
Accrued Salaries, Wages, and Benefits	35,907	38,327
Accrued Transportation Taxes	16,713	20,534
Air Traffic Liabilities	114,257	160,686
Finance Lease Obligations	20,500	20,175
Loyalty Program Liabilities	9,482	10,121
Operating Lease Obligations	3,356	3,281
Current Maturities of Long-term Debt, net	91,715	87,579
Income Tax Receivable Agreement Liability	14,793	10,325
Other Current Liabilities	19,223	15,228
Total Current Liabilities	382,863	422,290
Long-term Liabilities:
Finance Lease Obligations	245,838	251,087
Loyalty Program Liabilities	4,618	4,480
Operating Lease Obligations	16,496	17,369
Long-term Debt, net	220,881	239,543
Deferred Tax Liability	32,125	23,566
Income Tax Receivable Agreement Liability	72,376	87,369
Other Long-term Liabilities	13,812	14,100
Total Long-term Liabilities	606,146	637,514
Total Liabilities	989,009	1,059,804
Commitments and Contingencies (see Note 11)
Stockholders' Equity:
Common stock, with $0.01 par value, 995,000,000 shares authorized, 60,174,923 and 59,500,970 issued and 53,201,003 and 53,157,964 outstanding at March 31, 2025 and December 31, 2024, respectively	602	595
Preferred stock, with $0.01 par value, 5,000,000 shares authorized, no shares issued and outstanding at March 31, 2025 and December 31, 2024, respectively	0	0
Treasury stock, at cost, 6,973,920 and 6,343,006 shares held at March 31, 2025 and December 31, 2024, respectively	(115,866)	(105,866)
Additional Paid-In Capital	534,649	528,604
Retained Earnings	183,667	147,132
Accumulated Other Comprehensive Loss	(35)	(92)
Total Stockholders' Equity	603,017	570,373
Total Liabilities and Stockholders' Equity	1,592,026	1,630,177
Aircraft and Flight Equipment
Property & Equipment, net:
Property & Equipment, net:	778,381	775,210
Aircraft and Flight Equipment Held for Operating Lease
Property & Equipment, net:
Property & Equipment, net:	124,383	124,383
Ground Equipment and Leasehold Improvements
Property & Equipment, net:
Property & Equipment, net:	47,571	46,550
Computer Hardware and Software
Property & Equipment, net:
Property & Equipment, net:	22,847	22,436
Rotable Parts
Property & Equipment, net:
Property & Equipment, net:	$ 26,791	$ 26,626