CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Operating Activities
Net income	$ 15,855	$ 8,522
Adjustments to reconcile net income to cash provided by operating activities:
Depreciation and amortization	39,961	38,441
Equity in losses of real estate ventures	512	238
Equity compensation expense	(408)	(545)
Accretion of fair market value adjustment of debt	(236)	(395)
Changes in other operating accounts:
Restricted cash	(233)	(288)
Other assets	808	136
Accounts payable and accrued expenses	5,013	(3,399)
Other liabilities	661	715
Net cash provided by operating activities	61,933	43,425
Investing Activities
Acquisitions of storage facilities	(158,457)	(41,347)
Additions and improvements to storage facilities	(6,609)	(4,948)
Development costs	(28,273)	(9,155)
Investment in real estate venture, at equity	(5,498)
Change in restricted cash	162	(31)
Cash distributed from real estate venture	1,791	1,553
Net cash used in investing activities	(196,884)	(53,928)
Proceeds from:
Revolving credit facility	301,300	161,900
Principal payments on:
Revolving credit facility	(247,000)	(159,900)
Mortgage loans and notes payable	(9,556)	(1,283)
Loan procurement costs		(19)
Proceeds from issuance of common shares, net	62,891	29,442
Exercise of stock options	5,887	8,438
Contributions from noncontrolling interests in subsidiaries		178
Distributions paid to common shareholders	(36,730)	(26,274)
Distributions paid to preferred shareholders	(1,502)	(1,502)
Distributions paid to noncontrolling interests in Operating Partnership	(454)	(361)
Net cash provided by financing activities	74,836	10,619
Change in cash and cash equivalents	(60,115)	116
Cash and cash equivalents at beginning of period	62,869	2,901
Cash and cash equivalents at end of period	2,754	3,017
Supplemental Cash Flow and Noncash Information
Cash paid for interest, net of interest capitalized	10,756	12,115
Supplemental disclosure of noncash activities:
Restricted cash - acquisition of storage facilities	(22,019)
Accretion of liability	7,886	3,619
Derivative valuation adjustment	$ (328)	(764)
Foreign currency translation adjustment		(337)
Mortgage loan assumption - acquisitions of storage facilities		$ 2,695