QUARTERLY FINANCIAL INFORMATION (UNAUDITED) (Tables)

12 Months Ended

Dec. 31, 2017

Quarterly Financial Information Disclosure [Abstract]

Summary of Quarterly Financial Information

The following is a summary of certain items in the consolidated statements of operations by quarter:

Fiscal Year 2017	First Quarter			Second Quarter			Third Quarter		Fourth Quarter
Revenues	$	133,802		$	154,016		$	160,269	$	151,222
Operating income (loss)	$	6,564		$	(47,279	)	$	18,277	$	9,855
Net (loss) income	$	(224	)	$	(53,675	)	$	12,080	$	20,020
Earnings per common share:									—
Basic weighted average common shares outstanding	41,584			41,811			41,951		42,033
Basic earnings per share	$	(0.01	)	$	(1.28	)	$	0.29	$	0.48
Diluted weighted average common shares outstanding	41,584			41,811			43,295		43,394
Diluted earnings per share	$	(0.01	)	$	(1.28	)	$	0.28	$	0.46

Fiscal Year 2016	First Quarter			Second Quarter		Third Quarter		Fourth Quarter
Revenues	$	125,432		$	144,670	$	151,133	$	143,795
Operating income	$	1,974		$	15,596	$	17,378	$	9,997
Net (loss) income	$	(7,614	)	$	5,192	$	7,537	$	(11,973	)
Net (loss) income attributable to common stockholders	$	(7,608	)	$	5,195	$	7,537	$	(11,973	)
Earnings per common share:
Basic weighted average common shares outstanding	40,996			41,132		41,377		41,422
Basic earnings per share	$	(0.19	)	$	0.13	$	0.18	$	(0.29	)
Diluted weighted average common shares outstanding	40,996			41,598		42,287		41,422
Diluted earnings per share	$	(0.19	)	$	0.12	$	0.18	$	(0.29	)