Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Current Assets:
Cash and cash equivalents	$ 328,255	$ 423,384
Restricted cash	6,566	19,434
Short-term investments	253,300	0
Accounts receivable, net	82,902	74,245
Spare parts and supplies, net	20,287	19,767
Deferred tax assets, net	17,325	17,325
Prepaid expenses and other	47,677	51,652
Total	756,312	605,807
Property and equipment, less accumulated depreciation and amortization of $344,727 and $327,102 as of September 30, 2014 and December 31, 2013, respectively	1,630,978	1,334,332
Other Assets:
Long-term prepayments and other	99,323	91,953
Restricted cash	0	1,566
Intangible assets, less accumulated amortization of $33,774 and $175,730 as of September 30, 2014 and December 31, 2013, respectively	21,960	23,940
Goodwill	106,663	106,663
Total Assets	2,615,236	2,164,261
Current Liabilities:
Accounts payable	78,350	89,787
Air traffic liability	487,525	409,086
Other accrued liabilities	114,717	97,571
Current maturities of long-term debt, less discount, and capital lease obligations	171,054	62,187
Total	851,646	658,631
Long-Term Debt, less discount, and Capital Lease Obligations	885,486	744,286
Other Liabilities and Deferred Credits:
Accumulated pension and other postretirement benefit obligations	268,703	264,106
Other liabilities and deferred credits	70,129	59,424
Deferred tax liability, net	78,513	40,950
Total	417,345	364,480
Commitments and Contingencies
Shareholders’ Equity:
Special preferred stock, $0.01 par value per share, three shares issued and outstanding as of September 30, 2014 and December 31, 2013
Common stock, $0.01 par value per share, 54,007,425 and 52,423,085 shares issued and outstanding as of September 30, 2014 and December 31, 2013, respectively	540	524
Capital in excess of par value	277,328	269,884
Accumulated income	226,969	169,142
Accumulated other comprehensive loss, net	(44,078)	(42,686)
Total	460,759	396,864
Total Liabilities and Shareholders’ Equity	$ 2,615,236	$ 2,164,261