Series A Preferred Stock (Details) (USD $) In Thousands, except Share data, unless otherwise specified	0 Months Ended	12 Months Ended					0 Months Ended	3 Months Ended	12 Months Ended
	Jun. 03, 2008	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Feb. 15, 2012	Jan. 31, 2012	Dec. 30, 2005 Preferred Stock Series A [Member]	Dec. 31, 2013 Preferred Stock Series A [Member]	Dec. 31, 2013 Preferred Stock Series A [Member]	Dec. 31, 2012 Preferred Stock Series A [Member]	Dec. 31, 2011 Standby Equity Distribution Agreement [Member]	Mar. 29, 2011 Standby Equity Distribution Agreement [Member]
Series A Preferred Stock [Line Items]
Common operating partnership units outstanding		97,008	97,008	97,008
Shares of Common OP Units redeemed for common stock		0	0	61,153
Preferred stock, redemption price								$ 10.00	$ 10.00
Preferred stock, shares issued					3,000,000	3,000,000	1,521,258
Annual dividend rate	10.00%						8.00%		8.00%	8.00%
Preferred stock, shares outstanding								803,270	803,270	803,270
Preferred stock, liquidation preference per share	$ 25.00						$ 10.00
Preferred stock, fixed annual amount of dividend per share		$ 2.50							$ 0.80
Dividends unpaid and accrued									$ 54
Dividends unpaid and accrued per share		$ 0.625						$ 0.067
Common stock, shares sold												11,466
Common stock warrants, exercise price		9.60
Net proceeds from issuance of common stock		0	0	89							89
Equity distribution agreement, shares, maximum number authorized to issue												250,000
Other miscellaneous expense of common stock issuance											$ 3