Summary of Unaudited Quarterly Financial Information (Tables)

12 Months Ended

Dec. 31, 2017

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information

The following financial information reflects all normal recurring adjustments, which are, in the opinion of management, necessary for a fair statement of the results and cash flows of interim periods. Summarized quarterly data for 2017 and 2016 are as follows (in thousands, except per share amounts):



	First Quarter			Second Quarter			Third Quarter			Fourth Quarter
2016
Total revenues	$	29,648		$	19,521		$	21,619		$	38,185
Total operating costs and expenses	14,552			15,552			16,153			18,831
Income tax (expense) benefit	(3,694		)	3,881			(160		)	(10,354		)
Net income (loss)	6,608			(6,170		)	1,051			(3,125		)
Basic per share amounts:
Net income (loss)	$	0.32		$	(0.30	)	$	0.05		$	0.15
Diluted per share amounts:
Net income (loss)	$	0.30		$	(0.30	)	$	0.05		$	0.15

Weighted average shares—basic	20,708			20,832			20,887			20,898
Weighted average shares—diluted	22,284			20,832			22,997			20,898

2017
Total revenues	$	29,267		$	27,995		$	33,375		$	50,465
Total operating costs and expenses	19,051			14,980			16,882			22,113
Income tax (expense) benefit	(1,114		)	(2,242		)	(3,645		)	(37,674		)
Net Income (loss)	5,079			6,058			8,426			(7,007		)
Basic per share amounts:
Net income	$	0.24		$	0.29		$	0.40		$	(0.33	)
Diluted per share amounts:
Net income	$	0.22		$	0.26		$	0.36		$	(0.33	)

Weighted average shares—basic	20,938			21,013			21,071			21,109
Weighted average shares—diluted	23,019			23,216			23,551			21,109