Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Current Assets:
Cash and cash equivalents	$ 600,609	$ 373,056
Short-term investments	213,974	245,599
Accounts receivable, net	30,585	97,380
Income taxes receivable	99,665	64,192
Spare parts and supplies, net	38,481	37,630
Prepaid expenses and other	46,133	56,849
Total	1,029,447	874,706
Property and equipment, less accumulated depreciation and amortization of $796,958 and $762,544 as of March 31, 2020 and December 31, 2019, respectively	2,298,735	2,316,772
Other Assets:
Operating lease right-of-use assets	611,693	632,545
Long-term prepayments and other	183,355	182,438
Intangible assets, net	13,500	13,500
Goodwill	0	106,663
Total Assets	4,136,730	4,126,624
Current Liabilities:
Accounts payable	152,310	148,748
Air traffic liability and current frequent flyer deferred revenue	623,741	606,684
Other accrued liabilities	138,355	161,430
Current maturities of long-term debt, less discount	59,794	53,273
Current maturities of finance lease obligations	22,045	21,857
Current maturities of operating leases	79,718	83,224
Total	1,075,963	1,075,216
Long-Term Debt	757,221	547,254
Other Liabilities and Deferred Credits:
Noncurrent finance lease obligations	137,059	141,861
Noncurrent operating leases	495,500	514,685
Accumulated pension and other post-retirement benefit obligations	199,964	203,596
Other liabilities and deferred credits	79,911	97,434
Noncurrent frequent flyer deferred revenue	172,281	175,218
Deferred tax liability, net	294,465	289,564
Total	1,379,180	1,422,358
Commitments and Contingencies
Shareholders’ Equity:
Special preferred stock, $0.01 par value per share, three shares issued and outstanding as of March 31, 2020 and December 31, 2019	0	0
Common stock, $0.01 par value per share, 45,950,090 and 46,121,859 shares outstanding as of March 31, 2020 and December 31, 2019, respectively	460	461
Capital in excess of par value	134,285	135,651
Accumulated income	892,173	1,049,567
Accumulated other comprehensive loss, net	(102,552)	(103,883)
Total	924,366	1,081,796
Total Liabilities and Shareholders’ Equity	$ 4,136,730	$ 4,126,624