Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
REVENUES:
Rental income		$ 129,510	$ 115,221	$ 391,892	$ 338,911
Tenant reimbursements		11,681	11,346	40,280	33,399
Other property income		362	2,457	1,690	7,650
Total revenues		141,553	129,024	433,862	379,960
EXPENSES
Property expenses		26,684	25,801	78,264	75,448
Real estate taxes		12,087	11,008	37,232	32,728
Provision for bad debts		0	58	289	58
Ground leases		862	771	2,451	2,306
General and administrative expenses		10,799	11,138	36,200	33,806
Acquisition-related expenses		4	431	397	1,268
Depreciation and amortization		49,422	50,032	152,567	148,647
Total expenses		99,858	99,239	307,400	294,261
OTHER (EXPENSES) INCOME:
Interest income and other net investment (loss) gain (Note 12)		(694)	(9)	177	587
Interest expense (Note 6)		(12,819)	(16,608)	(44,561)	(49,880)
Total other (expenses) income		(13,513)	(16,617)	(44,384)	(49,293)
INCOME FROM CONTINUING OPERATIONS BEFORE GAINS ON SALES OF REAL ESTATE		28,182	13,168	82,078	36,406
Gain on sale of land (Note 3)		0	0	17,268	3,490
Gains on sales of depreciable operating properties		78,522	0	109,950	0
INCOME FROM CONTINUING OPERATIONS		106,704	13,168	209,296	39,896
DISCONTINUED OPERATIONS (Note 1)
Income from discontinued operations		0	548	0	2,091
Gains on dispositions of discontinued operations		0	5,587	0	110,391
Total income from discontinued operations	[1]	0	6,135	0	112,482
NET INCOME		106,704	19,303	209,296	152,378
Net income attributable to noncontrolling common units of the Operating Partnership		(1,945)	(321)	(3,850)	(3,011)
NET INCOME		104,759	18,982	205,446	149,367
PREFERRED DIVIDENDS		(3,313)	(3,313)	(9,938)	(9,938)
NET INCOME AVAILABLE TO COMMON STOCKHOLDERS		$ 101,446	$ 15,669	$ 195,508	$ 139,429
Income (loss) from continuing operations available to common stockholders per common share – basic (Note 13)		$ 1.10	$ 0.11	$ 2.18	$ 0.34
Income from continuing operations available to common stockholders per common share – diluted (Note 13)		1.09	0.11	2.17	0.33
Net income available to common stockholders per share – basic (Note 13)		1.10	0.18	2.18	1.67
Net income available to common stockholders per share – diluted (Note 13)		$ 1.09	$ 0.18	$ 2.17	$ 1.63
Weighted average common shares outstanding – basic (Note 13)		92,150,341	83,161,323	89,077,012	82,525,033
Weighted average common shares outstanding – diluted (Note 13)		92,639,065	85,110,456	89,593,261	84,622,622
Dividends declared per common share		$ 0.35	$ 0.35	$ 1.05	$ 1.05

[1] The Company adopted ASU 2014-08 effective January 1, 2015 (see Note 1). As a result, properties classified as held for sale and/or disposed of subsequent to January 1, 2015 that do not represent a strategic shift are no longer presented as discontinued operations.