Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Operating Activities
Net income	$ 51,233	$ 37,477
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	28,766	24,413
Amortization of deferred financing fees	592	407
Loss on sale of storage facility	7
Equity in income of joint ventures	(1,499)	(892)
Distributions from unconsolidated joint ventures	1,978	1,487
Non-vested stock earned	3,208	2,381
Stock option expense	117	149
Changes in assets and liabilities (excluding the effects of acquisitions):
Accounts receivable	(404)	(189)
Prepaid expenses	793	(2,205)
(Advances to) receipts from joint ventures	(228)	423
Accounts payable and other liabilities	(3,929)	(2,978)
Deferred revenue	86	(211)
Net cash provided by operating activities	80,720	60,262
Investing Activities
Acquisitions of storage facilities	(208,453)	(183,835)
Improvements, equipment additions, and construction in progress	(12,296)	(11,717)
Net proceeds from the sale of storage facility	711
Investment in unconsolidated joint ventures	(483)	(7,053)
Property deposit	(1,493)	(395)
Net cash used in investing activities	(222,014)	(203,000)
Financing Activities
Net proceeds from sale of common stock	144,966	51,728
Proceeds from line of credit	219,000	104,000
Repayments of line of credit	(172,000)	(145,000)
Proceeds from term notes		175,000
Financing costs		(711)
Dividends paid-common stock	(52,281)	(44,510)
Distributions to noncontrolling interest holders	(251)	(271)
Mortgage principal payments	(66)	(63)
Net cash provided by financing activities	139,368	140,173
Net decrease in cash	(1,926)	(2,565)
Cash at beginning of period	8,543	9,524
Cash at end of period	6,617	6,959
Supplemental cash flow information
Cash paid for interest, net of interest capitalized	17,896	14,075
Cash paid for income taxes, net of refunds	$ 943	$ 853