Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
REVENUES	$ 193,261	$ 142,305	$ 547,195	$ 437,683
OPERATING EXPENSES
Salaries, wages and benefits	59,405	41,624	165,471	127,339
Fuel	24,372	12,029	58,171	35,082
Maintenance, materials and repairs	27,356	24,655	81,089	71,341
Depreciation and amortization	33,939	30,754	99,605	91,147
Travel	5,440	3,989	14,926	12,754
Contracted ground and aviation services	12,865	3,640	32,664	10,177
Rent	3,309	2,246	8,515	8,900
Landing and ramp	3,220	2,108	9,523	6,982
Insurance	1,099	832	3,335	2,636
Other operating expenses	7,800	7,511	28,288	21,085
Operating Expenses	178,805	129,388	501,587	387,443
OPERATING INCOME	14,456	12,917	45,608	50,240
OTHER INCOME (EXPENSE)
Interest income	37	18	98	64
Net gain (loss) on financial instruments	(8,473)	96	(3,443)	347
Interest expense	(2,897)	(2,684)	(8,229)	(8,588)
Other Nonoperating Income (Expense)	(11,333)	(2,570)	(11,574)	(8,177)
EARNINGS FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	3,123	10,347	34,034	42,063
INCOME TAX EXPENSE	(1,007)	(4,000)	(12,219)	(16,251)
EARNINGS FROM CONTINUING OPERATIONS	2,116	6,347	21,815	25,812
EARNINGS FROM DISCONTINUED OPERATIONS, NET OF TAXES	47	214	141	642
NET EARNINGS	$ 2,163	$ 6,561	$ 21,956	$ 26,454
BASIC EARNINGS PER SHARE
Basic earnings per share from continuing operations (in dollars per share)	$ 0.04	$ 0.10	$ 0.35	$ 0.40
Discontinued operations (in dollars per share)	0.00	0.00	0.00	0.01
TOTAL BASIC EARNINGS PER SHARE (in dollars per share)	0.04	0.10	0.35	0.41
DILUTED EARNINGS PER SHARE
Diluted earnings per share from continuing operations (in dollars per share)	0.04	0.10	0.34	0.40
Discontinued operations (in dollars per share)	0.00	0.00	0.00	0.00
TOTAL DILUTED NET EARNINGS PER SHARE (in dollars per share)	$ 0.04	$ 0.10	$ 0.34	$ 0.40
WEIGHTED AVERAGE SHARES
Basic (in shares)	59,379	64,239	62,084	64,411
Diluted (in shares)	60,283	65,171	64,024	65,341