CONSOLIDATED BALANCE SHEETS (USD $)	Mar. 31, 2013	Dec. 31, 2012
Real estate investments, at cost:
Land	$ 298,280,000	$ 249,541,000
Buildings, fixtures and improvements	1,521,505,000	1,336,726,000
Acquired intangible lease assets	241,501,000	212,223,000
Total real estate investments, at cost	2,061,286,000	1,798,490,000
Less: accumulated depreciation and amortization	(81,207,000)	(56,110,000)
Total real estate investments, net	1,980,079,000	1,742,380,000
Cash and cash equivalents	52,412,000	156,873,000
Investment securities, at fair value	4,000	41,654,000
Restricted cash	1,287,000	1,108,000
Prepaid expenses and other assets	15,397,000	7,416,000
Deferred costs, net	38,244,000	15,356,000
Assets held for sale	679,000	665,000
Total assets	2,088,102,000	1,965,452,000
LIABILITIES AND EQUITY
Mortgage notes payable	265,118,000	265,118,000
Senior secured revolving credit facility	0	124,604,000
Unsecured credit facility	640,000,000	0
Derivatives, at fair value	5,012,000	3,830,000
Accounts payable and accrued expenses	6,589,000	9,459,000
Deferred rent and other liabilities	5,270,000	4,336,000
Distributions payable	92,000	9,946,000
Total liabilities	922,081,000	417,293,000
Common stock, $0.01 par value, 240,000,000 shares authorized, 154,322,153 and 179,167,112 issued and outstanding at March 31, 2013 and December 31, 2012, respectively	1,543,000	1,792,000
Additional paid-in capital	1,335,863,000	1,653,900,000
Accumulated other comprehensive loss	(5,018,000)	(3,934,000)
Accumulated deficit	(290,484,000)	(120,072,000)
Total stockholders’ equity	1,041,912,000	1,531,694,000
Non-controlling interests	124,109,000	16,465,000
Total equity	1,166,021,000	1,548,159,000
Total liabilities and equity	2,088,102,000	1,965,452,000
Series A Preferred Stock [Member]
LIABILITIES AND EQUITY
Preferred Stock, Value, Issued	5,000	5,000
Series B Preferred Stock [Member]
LIABILITIES AND EQUITY
Preferred Stock, Value, Issued	$ 3,000	$ 3,000