Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Rental Property:
Land	$ 126,685	$ 104,656
Buildings	813,705	654,518
Tenant improvements	35,717	34,900
Building and land improvements	30,831	22,153
Less: accumulated depreciation	(64,562)	(46,175)
Total rental property, net	942,376	770,052
Cash and cash equivalents	23,909	19,006
Restricted cash	6,810	5,497
Tenant accounts receivable, net	12,911	9,351
Prepaid expenses and other assets	3,590	1,556
Interest rate swaps	2,282
Deferred financing fees, net	5,354	4,704
Leasing commissions, net	2,720	1,674
Goodwill	4,923	4,923
Due from related parties	180	806
Deferred leasing intangibles, net	208,097	187,555
Total assets	1,213,152	1,005,124
Liabilities:
Mortgage notes payable	226,686	229,915
Unsecured credit facility	20,000	99,300
Unsecured term loans	250,000	150,000
Accounts payable, accrued expenses and other liabilities	16,158	12,111
Interest rate swaps	131	480
Tenant prepaid rent and security deposits	7,956	5,686
Dividends and distributions payable	15,285	11,301
Deferred leasing intangibles, net	6,871	6,871
Total liabilities	543,087	515,664
Commitments and contingencies
Equity:
Common stock, par value $0.01 per share, 100,000,000 shares authorized, 44,052,248 and 35,698,582 shares issued and outstanding at September 30, 2013 and December 31, 2012, respectively	440	357
Additional paid-in capital	562,511	419,643
Common stock dividends in excess of earnings	(105,697)	(61,024)
Accumulated other comprehensive income (loss)	1,906	(371)
Total stockholders' equity	598,160	427,605
Noncontrolling interest	71,905	61,855
Total equity	670,065	489,460
Total liabilities and equity	1,213,152	1,005,124
Series A Preferred Stock
Equity:
Preferred stock	69,000	69,000
Series B Preferred Stock
Equity:
Preferred stock	$ 70,000