Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2016

Quarterly Financial Information Disclosure [Abstract]

Condensed Summary of Actual Quarterly Results of Operations

The following is a condensed summary of actual quarterly results of operations for 2016 and 2015 (in thousands, except per share amounts):

	Revenues		Gross Profit		Operating Income		Net Income (Loss)			Net Income (Loss) Attributable to Common Stockholders			Basic Earnings (Loss) Per Share			Diluted Earnings (Loss) Per Share Attributable to Common Stockholders1
2016:
First	$	180,291	$	25,704	$	8,580	$	2,563		$	2,563		$	0.09		$	0.09
Second	178,251		24,331		8,427		2,720			2,720			0.09			0.09
Third	153,604		18,919		4,466		1,147			1,147			0.04			0.04
Fourth	149,966		18,276		3,910		355			355			0.01			0.01
2015:
First	$	220,303	$	29,074	$	11,198	$	3,593		$	3,592		$	0.12		$	0.12
Second	217,617		29,506		11,588		3,205			3,205			0.11			0.11
Third	202,729		27,890		9,946		2,554			2,554			0.09			0.09
Fourth	184,692		24,352		5,294		(2,291		)	(2,291		)	(0.08		)	(0.08		)

⁽¹⁾  See Note 11 for discussion on the computation of diluted shares outstanding.