CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
CONSOLIDATED STATEMENTS OF OPERATIONS
REVENUES	$ 711,839	$ 700,001
OPERATING EXPENSES	703,248	687,276
OPERATING INCOME	8,591	12,725
OTHER INCOME (COSTS)
Interest and dividend income	1,478	526
Interest and other related financing costs	(2,882)	(2,059)
Other, net	(591)	(2,201)
TOTAL OTHER INCOME (COSTS)	(1,995)	(3,734)
INCOME BEFORE INCOME TAXES	6,596	8,991
INCOME TAX PROVISION (BENEFIT)	1,708	(963)
NET INCOME	$ 4,888	$ 9,954
EARNINGS PER COMMON SHARE
Basic (in dollars per share)	$ 0.19	$ 0.39
Diluted (in dollars per share)	$ 0.18	$ 0.37
AVERAGE COMMON SHARES OUTSTANDING
Basic (in shares)	25,570,415	25,642,871
Diluted (in shares)	26,512,349	26,596,376
CASH DIVIDENDS DECLARED PER COMMON SHARE (in dollars per share)	$ 0.08	$ 0.08