Condensed Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Revenue
Real estate rental revenue	$ 78,243	$ 73,413	$ 227,325	$ 214,278
Expenses
Real estate expenses	28,109	25,914	84,546	77,784
Depreciation and amortization	29,349	24,354	80,127	71,508
Acquisition costs	929	69	1,937	5,047
General and administrative	4,953	4,523	15,339	13,780
Real estate impairment	0	0	5,909	0
Operating Expenses	63,340	54,860	187,858	168,119
Gain on sale of real estate	0	0	31,731	570
Real estate operating income	14,903	18,553	71,198	46,729
Other income (expense)
Interest expense	(14,486)	(15,087)	(44,534)	(44,602)
Loss on extinguishment of debt	0	0	(119)	0
Other income	163	192	547	634
Total other income (expense)	(14,323)	(14,895)	(44,106)	(43,968)
Income from continuing operations	580	3,658	27,092	2,761
Discontinued operations:
Income from operations of properties sold or held for sale	0	0	0	546
Gain on sale of real estate	0	0	0	105,985
Net income	580	3,658	27,092	109,292
Less: Net loss attributable to noncontrolling interests in subsidiaries	67	10	515	17
Net income attributable to the controlling interests	$ 647	$ 3,668	$ 27,607	$ 109,309
Basic net income per share:
Continuing operations (in dollars per share)	$ 0.01	$ 0.05	$ 0.40	$ 0.04
Discontinued operations (in dollars per share)	0.00	0.00	0.00	1.59
Net income per share (in dollars per share)	0.01	0.05	0.40	1.63
Diluted net income per share:
Continuing operations (in dollars per share)	0.01	0.05	0.40	0.04
Discontinued operations (in dollars per share)	0.00	0.00	0.00	1.59
Net income per share (in dollars per share)	$ 0.01	$ 0.05	$ 0.40	$ 1.63
Weighted average shares outstanding - basic (in shares)	68,186	66,738	68,168	66,725
Weighted average shares outstanding - diluted (in shares)	68,305	66,790	68,290	66,760
Dividends declared per share (in dollars per share)	$ 0.30	$ 0.30	$ 0.90	$ 0.90