Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2012	Dec. 31, 2011
Other intangible assets, accumulated amortization	$ 1,588	$ 1,560
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	500,000,000	200,000,000
Common stock, shares issued	59,251,836	59,251,836
Common stock, shares outstanding	59,251,836	59,251,836
Preferred Stock, Series C Convertible [Member]
Preferred stock, par value	$ 50	$ 50
Preferred stock, shares authorized	14,400	14,400
Preferred stock, shares issued	10,434	10,434
Preferred stock, shares outstanding	10,434	10,434
Preferred Stock, Other Series [Member]
Preferred stock, par value	$ 50	$ 50
Preferred stock, shares authorized	981,260	981,260
Preferred stock, shares issued	0	0