Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
REVENUES	$ 176,549	$ 148,353	$ 353,934	$ 295,378
OPERATING EXPENSES
Salaries, wages and benefits	53,647	42,036	106,066	85,715
Fuel	17,168	12,275	33,799	23,053
Maintenance, materials and repairs	26,390	23,993	53,733	46,686
Depreciation and amortization	33,132	31,400	65,666	60,393
Travel	4,678	4,342	9,486	8,765
Contracted ground and aviation services	8,931	3,599	19,799	6,537
Rent	2,579	2,447	5,206	6,654
Landing and ramp	2,652	2,166	6,303	4,874
Insurance	1,087	546	2,236	1,804
Other operating expenses	10,484	5,755	20,488	13,574
Operating Expenses	160,748	128,559	322,782	258,055
OPERATING INCOME	15,801	19,794	31,152	37,323
OTHER INCOME (EXPENSE)
Interest income	37	24	61	46
Net gain on financial instruments	5,558	264	5,030	251
Interest expense	(2,633)	(2,839)	(5,332)	(5,904)
Other Nonoperating Income (Expense)	2,962	(2,551)	(241)	(5,607)
EARNINGS FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	18,763	17,243	30,911	31,716
INCOME TAX EXPENSE	(7,235)	(6,673)	(11,212)	(12,251)
EARNINGS FROM CONTINUING OPERATIONS	11,528	10,570	19,699	19,465
EARNINGS FROM DISCONTINUED OPERATIONS, NET OF TAXES	47	214	94	428
NET EARNINGS	$ 11,575	$ 10,784	$ 19,793	$ 19,893
BASIC EARNINGS PER SHARE
Basic earnings per share from continuing operations (in dollars per share)	$ 0.18	$ 0.16	$ 0.31	$ 0.30
Discontinued operations (in dollars per share)	0.00	0.01	0.00	0.01
TOTAL BASIC EARNINGS PER SHARE (in dollars per share)	0.18	0.17	0.31	0.31
DILUTED EARNINGS PER SHARE
Diluted earnings per share from continuing operations (in dollars per share)	0.12	0.16	0.25	0.30
Discontinued operations (in dollars per share)	0.00	0.00	0.00	0.00
TOTAL DILUTED NET EARNINGS PER SHARE (in dollars per share)	$ 0.12	$ 0.16	$ 0.25	$ 0.30
WEIGHTED AVERAGE SHARES
Basic (in shares)	63,267	64,541	63,452	64,498
Diluted (in shares)	66,763	65,471	65,910	65,404