Quarterly Results of Operations (unaudited)

12 Months Ended

Dec. 31, 2018

Quarterly Results of Operations (unaudited) [Abstract]

Quarterly Financial Information [Text Block]

Quarterly Results of Operations (unaudited)

The following table summarizes our quarterly financial data (in thousands, except per share data):

	First Quarter			Second Quarter			Third Quarter			Fourth Quarter			Total
Year ended December 31, 2018
Revenues	$	144,478		$	154,782		$	149,332		$	141,505		$	590,097
Income (loss) from operations	(842		)	(8,803		)	4,338			(3,752		)	(9,059		)
Income tax (expense) benefit	(1,288		)	249			(258		)	(611		)	(1,908		)
Net loss	(11,139		)	(18,152		)	(5,233		)	(14,487		)	(49,011		)
Loss per share:
Basic	$	(0.14	)	$	(0.23	)	$	(0.07	)	$	(0.19	)	$	(0.63	)
Diluted	$	(0.14	)	$	(0.23	)	$	(0.07	)	$	(0.19	)	$	(0.63	)
Year ended December 31, 2017
Revenues	$	95,757		$	107,130		$	117,281		$	126,287		$	446,455
Loss from operations	(18,873		)	(12,729		)	(10,892		)	(8,736		)	(51,230		)
Income tax (expense) benefit	(48		)	(1,135		)	(17		)	5,403			4,203
Net loss	(25,124		)	(20,209		)	(17,227		)	(12,558		)	(75,118		)
Loss per share:
Basic	$	(0.33	)	$	(0.26	)	$	(0.22	)	$	(0.16	)	$	(0.97	)
Diluted	$	(0.33	)	$	(0.26	)	$	(0.22	)	$	(0.16	)	$	(0.97	)