Condensed Consolidated Balance Sheets (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Property and equipment not subject to amortization	$ 388,617	$ 349,433
Common stock share issued	47,119,000	46,691,000
Common stock shares outstanding	47,119,000	46,691,000
Treasury Stock	72,000	72,000
Series C Preferred Stock [Member]
Preferred stock liquidation preference	37,000	37,000
Series B Preferred Stock [Member]
Preferred stock liquidation preference	$ 3,706	$ 3,588