Quarterly Financial Information (unaudited) (Tables)

12 Months Ended

Dec. 31, 2016

Quarterly Financial Information (unaudited)

Schedule of selected quarterly information

The table below reflects the selected quarterly information for the years ended December 31, 2016, and 2015 (in thousands except share data):

	Three Months Ended
	December 31,		September 30,		June 30,		March 31,
	2016		2016		2016		2016
Revenue	$	110,508	$	101,274	$	96,090	$	92,480
Operating income		27,933		22,505		22,558		21,621
Net income		23,161		19,319		19,835		19,606
Net income attributable to common shares		14,895		12,180		12,035		11,261
Net income per share attributable to common shares - basic	$	0.45	$	0.36	$	0.38	$	0.37
Net income per share attributable to common shares - diluted	$	0.44	$	0.36	$	0.37	$	0.37

	Three Months Ended
	December 31,		September 30,		June 30,		March 31,
	2015		2015		2015		2015
Revenue	$	90,919	$	86,382	$	81,336	$	74,655
Operating income		19,321		16,751		14,676		13,336
Net income		17,387		14,530		12,882		12,060
Net income attributable to common shares		9,342		6,920		5,538		4,568
Net income per share attributable to common shares - basic	$	0.32	$	0.26	$	0.23	$	0.21
Net income per share attributable to common shares - diluted	$	0.32	$	0.26	$	0.22	$	0.21