Selected Quarterly Financial Data (unaudited)

12 Months Ended

Dec. 31, 2016

Quarterly Financial Information Disclosure [Abstract]

Selected Quarterly Financial Data (unaudited)

13. SELECTED QUARTERLY FINANCIAL DATA (unaudited)

The following tables set forth selected quarterly statements of income data for the periods indicated (dollars in thousands, except share and per share amounts):

	Quarter Ended
	December 31, 2016		September 30, 2016		June 30, 2016		March 31, 2016
Revenues	$	87,810	$	77,325	$	73,880	$	90,126
Operating income		12,681		582		16,004		28,704
Net income		8,633		6,198		10,421		18,588
Earnings per share, basic	$	0.15	$	0.11	$	0.18	$	0.32
Earnings per share, diluted	$	0.15	$	0.10	$	0.18	$	0.31
Weighted average shares outstanding:
Basic		57,652,531		57,819,734		57,591,556		57,132,909
Diluted		58,882,966		58,907,281		58,697,229		58,362,040

	Quarter Ended
	December31, 2015		September 30, 2015		June 30, 2015		March 31, 2015
Revenues	$	65,118	$	55,340	$	48,973	$	55,222
Operating income		6,234		6,855		10,808		10,538
Net income		5,157		3,847		5,946		5,995
Earnings per share, basic	$	0.09	$	0.07	$	0.10	$	0.11
Earnings per share, diluted	$	0.09	$	0.07	$	0.10	$	0.11
Weighted average shares outstanding:
Basic		57,109,987		57,050,684		57,038,021		54,749,951
Diluted		58,365,587		58,367,830		58,369,083		56,562,661