Cumulative Convertible Preferred Stock (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended		0 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013 Series D Preferred Stock	Sep. 30, 2013 Common stock
Class of Stock [Line Items]
Number of shares owned by fletcher Ltd. after conversion					27,000
Number of common stock shares issued after conversion						6,065,075
Payment representing the estimated present value of certain future dividends	$ 5,000	$ 0	$ 5,000	$ 0	$ 5,000