CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash flows from operating activities:
Net income	$ 324	$ 433
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	12,390	8,279
Changes in fair value of financial instruments and gain on OP unit redemption	(230)	(462)
Income from equity in unconsolidated entities	(39)
Deferred rent receivable	(877)	(751)
Amortization of above- and below-market leases	40	(227)
Amortization of deferred balances	442	483
Bad debt expense	337	247
Share-based compensation expense	562	785
Change in assets and liabilities (net of the effect of acquisitions):
Tenant and other receivables	1,565	365
Other assets	(1,020)	(1,074)
Accounts payable and other liabilities	(2,885)	1,100
Net cash provided by operating activities	10,609	9,178
Cash flows from investing activities:
Acquisitions of property	(30,707)	(61,031)
Development of property and property improvements	(4,691)	(3,076)
Investments in unconsolidated entities	(106)
Return of capital from unconsolidated entities	139
Receipt of master lease payments	162
Capitalized leasing costs	(728)	(789)
Proceeds from sale of equity securities		1,289
Restricted cash	(687)	(485)
Net cash used in investing activities	(36,618)	(64,092)
Cash flows from financing activities:
Issuance of common stock	25,610
Issuance of preferred stock		89,102
Preferred stock offering costs		(392)
Payments on mortgages payable	(1,234)	(1,066)
Proceeds from mortgages payable	84
Payments on notes payable	(24,000)	(40,500)
Proceeds from notes payable	37,000	19,500
Payments of contingent consideration		(1,613)
Distribution to non-controlling interests	(290)	(327)
Preferred stock dividends	(2,744)	(875)
Common stock dividends	(7,297)	(4,847)
Deferred financing costs	(58)	(135)
Net cash provided by financing activities	27,071	58,847
Net increase	1,062	3,933
Cash and cash equivalents, beginning of period	5,596	5,292
Cash and cash equivalents, end of period	6,658	9,225
Supplemental cash flow information:
Cash payments for interest, net of amounts capitalized of $0 and $110	3,891	2,945
Non-cash investing and financing activity:
Acquisition of real estate for common shares and OP units		39,108
Assets received in connection with property acquisitions		772
Liabilities assumed in connection with property acquisitions	44	385
Common stock dividends payable	7,996	5,467
Preferred stock dividends payable	2,287	2,121
OP unit distributions payable	208	209
Accrued additions to operating and development properties	1,816	593
Change in unrealized loss on interest rate swaps	161	16
OP unit redemptions (common stock)	279
Reclassification of offering costs	$ 187