Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
REVENUES	$ 254,101	$ 193,261	$ 745,229	$ 547,195
OPERATING EXPENSES
Salaries, wages and benefits	66,706	59,405	205,379	165,471
Fuel	34,035	24,372	101,134	58,171
Maintenance, materials and repairs	33,100	30,196	100,970	90,968
Depreciation and amortization	37,605	33,939	111,828	99,605
Travel	6,357	5,440	20,543	14,926
Contracted ground and aviation services	40,445	12,865	93,283	32,664
Rent	3,052	3,309	10,091	8,515
Landing and ramp	4,682	3,220	14,338	9,523
Insurance	1,234	1,099	3,451	3,335
Other operating expenses	7,962	4,960	24,588	18,409
Operating Expenses	235,178	178,805	685,605	501,587
OPERATING INCOME	18,923	14,456	59,624	45,608
OTHER INCOME (EXPENSE)
Interest income	37	37	85	98
Interest expense	(4,351)	(2,897)	(11,658)	(8,229)
Net loss on financial instruments	(34,433)	(8,473)	(100,213)	(3,443)
Charges from non-consolidating affiliate	(945)	0	(945)	0
Other Nonoperating Income (Expense)	(39,692)	(11,333)	(112,731)	(11,574)
EARNINGS (LOSS) FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	(20,769)	3,123	(53,107)	34,034
INCOME TAX EXPENSE	(7,460)	(1,007)	(19,244)	(12,219)
EARNINGS (LOSS) FROM CONTINUING OPERATIONS	(28,229)	2,116	(72,351)	21,815
EARNINGS (LOSS) FROM DISCONTINUED OPERATIONS, NET OF TAXES	(4,655)	47	(4,271)	141
NET EARNINGS (LOSS)	$ (32,884)	$ 2,163	$ (76,622)	$ 21,956
BASIC EARNINGS (LOSS) PER SHARE
Basic earnings per share from continuing operations (in dollars per share)	$ (0.48)	$ 0.04	$ (1.23)	$ 0.35
Discontinued operations (in dollars per share)	(0.08)	0.00	(0.07)	0.00
TOTAL BASIC EARNINGS PER SHARE (in dollars per share)	(0.56)	0.04	(1.30)	0.35
DILUTED EARNINGS (LOSS) PER SHARE
Diluted earnings per share from continuing operations (in dollars per share)	(0.48)	0.04	(1.23)	0.34
Discontinued operations (in dollars per share)	(0.08)	0.00	(0.07)	0.00
TOTAL DILUTED NET EARNINGS PER SHARE (in dollars per share)	$ (0.56)	$ 0.04	$ (1.30)	$ 0.34
WEIGHTED AVERAGE SHARES
Basic (in shares)	58,733	59,379	58,965	62,084
Diluted (in shares)	58,733	60,283	58,965	64,024