Unaudited Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2015	Dec. 31, 2014
Property and equipment, accumulated depreciation	$ 70,876	$ 69,632
Other intangible assets, accumulated amortization	948	924
Deferred financing costs, accumulated amortization	10,548	9,706
Cumulative exchangeable redeemable preferred stock dividend rate	10.75%	10.75%
Series B Preferred Stock
Preferred stock par value per share	$ 0.01
12.5% Senior Secured Notes Due 2017
Interest rate on Senior secured notes due 2017	12.50%	12.50%
Senior secured notes due 2017, unamortized discount	3,931	4,742
Preferred Stock | Series B Preferred Stock
Preferred stock par value per share	$ 0.01	$ 0.01
Preferred stock, liquidation value per share	$ 1,000	$ 1,000
Preferred stock, shares authorized	280,000	280,000
Preferred stock, shares issued	90,549	90,549
Preferred stock, shares outstanding	90,549	90,549
Preferred Stock, dividends outstanding	$ 48,264	$ 45,831
Preferred Stock | Series C convertible preferred stock
Convertible preferred stock, par value	$ 0.01	$ 0.01
Convertible preferred stock, liquidation value per share	$ 0.01	$ 0.01
Convertible preferred stock, shares authorized	600,000	600,000
Convertible preferred stock, shares issued	380,000	380,000
Convertible preferred stock, shares outstanding	380,000	380,000
Common Stock | Class A common stock
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	4,166,991	4,166,991
Common stock, shares outstanding	4,166,991	4,166,991
Common Stock | Class B common stock
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, shares authorized	50,000,000	50,000,000
Common stock, shares issued	2,340,353	2,340,353
Common stock, shares outstanding	2,340,353	2,340,353