Fair Value Measurement Disclosures (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Carrying Amount | Significant other observable inputs (Level 2) | Twelve Point Five Percentage Senior Secured Notes Due Two Thousand Seventeen
Estimated fair values of financial instruments
12.5% senior secured notes due 2017	$ 275,000,000	$ 275,000,000
Carrying Amount | Significant unobservable inputs (Level 3)
Estimated fair values of financial instruments
Promissory note payable, included in other long-term debt	5,500,000	5,800,000
Promissory note payable, included in other long-term debt	2,700,000	5,300,000
Fair Value | Significant other observable inputs (Level 2) | Twelve Point Five Percentage Senior Secured Notes Due Two Thousand Seventeen
Estimated fair values of financial instruments
12.5% senior secured notes due 2017	297,700,000	296,800,000
Fair Value | Significant unobservable inputs (Level 3)
Estimated fair values of financial instruments
Promissory note payable, included in other long-term debt	4,500,000	4,400,000
Promissory note payable, included in other long-term debt	2,700,000	5,200,000
Series B Preferred Stock | Carrying Amount | Significant unobservable inputs (Level 3)
Estimated fair values of financial instruments
10 3/4% Series B cumulative exchangeable redeemable preferred stock, $0.01 par value, liquidation value $1,000 per share. Authorized 280,000 shares; 92,349 shares issued and outstanding at December 31, 2012	126,600,000	121,700,000
Series B Preferred Stock | Fair Value | Significant unobservable inputs (Level 3)
Estimated fair values of financial instruments
10 3/4% Series B cumulative exchangeable redeemable preferred stock, $0.01 par value, liquidation value $1,000 per share. Authorized 280,000 shares; 92,349 shares issued and outstanding at December 31, 2012	$ 37,800,000	$ 46,200,000