Condensed Consolidated Statement of Changes in Equity (USD $) Share data in Thousands, unless otherwise specified	Total	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Noncontrolling Interests in Consolidated Entities	Redeemable Noncontrolling Interest in Operating Partnership
Beginning balance at Dec. 31, 2013	$ 143,401,000	$ 161,000	$ 246,928,000	$ (101,062,000)	$ (2,626,000)	$ 159,726,000
Balance (in shares) at Dec. 31, 2013		16,129
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock (in shares)		9,200
Issuance of common stock	144,023,000	92,000	143,931,000
Dividends declared - common stock	(1,266,000)			(1,266,000)
Distributions to noncontrolling interests						(439,000)
Net loss	(3,283,000)			(2,878,000)	(405,000)	(1,168,000)
Redemption value adjustment	25,424,000			25,424,000		(25,424,000)
Ending balance at Mar. 31, 2014	$ 308,299,000	$ 253,000	$ 390,859,000	$ (79,782,000)	$ (3,031,000)	$ 132,695,000
Balance (in shares) at Mar. 31, 2014		25,329