Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
REVENUES	$ 237,917	$ 177,385
OPERATING EXPENSES
Salaries, wages and benefits	72,663	52,419
Fuel	34,841	16,631
Maintenance, materials and repairs	24,601	27,343
Depreciation and amortization	36,442	32,534
Travel	7,366	4,808
Contracted ground and aviation services	20,687	10,868
Rent	3,286	2,627
Landing and ramp	5,299	3,651
Insurance	1,262	1,149
Other operating expenses	13,717	10,004
Operating Expenses	220,164	162,034
OPERATING INCOME	17,753	15,351
OTHER INCOME (EXPENSE)
Interest income	32	24
Interest expense	(3,548)	(2,699)
Net gain (loss) on financial instruments	1,869	(528)
Other Nonoperating Income (Expense)	(1,647)	(3,203)
EARNINGS FROM CONTINUING OPERATIONS BEFORE INCOME TAXES	16,106	12,148
INCOME TAX EXPENSE	(6,310)	(3,977)
EARNINGS FROM CONTINUING OPERATIONS	9,796	8,171
EARNINGS FROM DISCONTINUED OPERATIONS, NET OF TAXES	192	47
NET EARNINGS	$ 9,988	$ 8,218
BASIC EARNINGS PER SHARE
Basic earnings per share from continuing operations (in dollars per share)	$ 0.17	$ 0.13
Discontinued operations (in dollars per share)	0.00	0.00
TOTAL BASIC EARNINGS PER SHARE (in dollars per share)	0.17	0.13
DILUTED EARNINGS PER SHARE
Diluted earnings per share from continuing operations (in dollars per share)	0.13	0.13
Discontinued operations (in dollars per share)	0.00	0.00
TOTAL DILUTED NET EARNINGS PER SHARE (in dollars per share)	$ 0.13	$ 0.13
WEIGHTED AVERAGE SHARES
Basic (in shares)	59,133	63,636
Diluted (in shares)	64,949	65,057