Supplementary Quarterly Financial Data

12 Months Ended

Dec. 31, 2015

Supplementary Quarterly Financial Data [Abstract]

Supplementary Quarterly Financial Data

12. Supplementary quarterly financial data (unaudited, in thousands, except per share data):

	Three Months Ended
		March 31, 2015		June 30, 2015		September 30, 2015		December 31, 2015
Rental income	$	92,315	$	92,948	$	93,322	$	94,550
Cost of operations	$	31,746	$	30,057	$	30,448	$	28,973
Net income allocable to
common shareholders	$	19,771	$	11,129	$	22,484	$	14,906
Net income per share:
Basic	$	0.73	$	0.41	$	0.83	$	0.55
Diluted	$	0.73	$	0.41	$	0.83	$	0.55
	Three Months Ended
		March 31, 2014		June 30, 2014		September 30, 2014		December 31, 2014
Rental income	$	95,321	$	93,986	$	95,627	$	91,321
Cost of operations	$	33,444	$	31,535	$	33,102	$	29,290
Net income allocable to
common shareholders	$	9,940	$	9,826	$	11,268	$	82,131
Net income per share:
Basic	$	0.37	$	0.37	$	0.42	$	3.05
Diluted	$	0.37	$	0.36	$	0.42	$	3.04