CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
REVENUE
Rental	$ 182,354	$ 112,528	$ 352,104	$ 224,020
Other	1,965	605	3,356	858
Total revenue	184,319	113,133	355,460	224,878
EXPENSES
Depreciation and amortization	77,698	34,742	147,280	69,093
Interest	39,100	28,806	80,567	57,758
General and administrative	12,075	9,273	23,688	18,440
Property	3,283	1,746	6,899	3,668
Income taxes	722	405	1,393	810
Merger-related costs	605		12,635
Total expenses	133,483	74,972	272,462	149,769
Income from continuing operations	50,836	38,161	82,998	75,109
Income from discontinued operations	3,911	5,246	43,562	7,562
Net income	54,747	43,407	126,560	82,671
Net income attributable to noncontrolling interests	(77)		(86)
Net income attributable to the Company	54,670	43,407	126,474	82,671
Preferred stock dividends	(10,482)	(10,457)	(20,965)	(19,953)
Excess of redemption value over carrying value of preferred shares redeemed (see note 10)				(3,696)
Net income available to common stockholders	$ 44,188	$ 32,950	$ 105,509	$ 59,022
Income from continuing operations:
Basic (in dollars per share)	$ 0.21	$ 0.21	$ 0.34	$ 0.39
Diluted (in dollars per share)	$ 0.21	$ 0.21	$ 0.34	$ 0.39
Net income:
Basic (in dollars per share)	$ 0.23	$ 0.25	$ 0.57	$ 0.44
Diluted (in dollars per share)	$ 0.23	$ 0.25	$ 0.57	$ 0.44
Weighted average common shares outstanding:
Basic (in shares)	195,574,014	132,592,939	183,714,191	132,643,698
Diluted (in shares)	196,099,610	132,828,540	184,165,700	132,785,213