Selected Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2015

Quarterly Financial Information Disclosure [Abstract]

Selected Quarterly Financial Data

Interim results are not necessarily indicative of fiscal year performance because of the impact of seasonal and short-term variations. Selected quarterly financial data is summarized as follows (in thousands, except per share data).

	Total Revenues		Income (Loss) Before Income Taxes			Net Income (Loss)			Basic and Diluted Net Income (Loss) Per Share
Year Ended December 31, 2015:
December 31, 2015	$	88,536	$	458		$	287		$	—
September 30, 2015		87,620		(4,524	)		(3,018	)		(0.07	)
June 30, 2015		80,631		690			315			0.01
March 31, 2015		75,105		804			486			0.01
Year Ended December 31, 2014:
December 31, 2014	$	67,928	$	3,076		$	21,968		$	0.54
September 30, 2014		65,604		2,377			2,120			0.05
June 30, 2014		67,120		3,723			3,469			0.08
March 31, 2014		62,542		547			511			0.01