Capital Stock (Details) (USD $)	6 Months Ended
	Jun. 30, 2012	Dec. 31, 2011	Apr. 20, 2011	Jan. 31, 1997	Jun. 21, 1990
Preferred stock authorized	5,000,000	5,000,000
Preferred stock par value	$ 0.01	$ 0.01
Series B Cumulative Preferred authorized	162,857	162,857
Series B Cumulative Preferred issued June 1990					162,857
Preferred Stock, Dividend Rate, Per-Dollar-Amount	$ 0.60
Preferred Stock, Liquidation Preference Per Share	$ 10.00
Shares redeemed January 1997			142,857	20,000
Stock Repurchased During Period, Shares	142,857
Preferred Stock Series B Redeemed			5,000
Series B Cumulative Preferred outstanding	0	0
Series E Preferred stock authorized	1,000,000	1,000,000
Series E Preferred stock par value	$ 0.01	$ 0.01
Voting preference ratio of preferred stock over common stock	10
Common Stock, Voting Rights	10
Series E Preferred stock outstanding	1,000,000	1,000,000
Common stock authorized	21,000,000	21,000,000
Common stock par value	$ 0.01	$ 0.01
Non-voting common stock	1,000,000
Non-voting common stock par value	$ 0.01
Common stock outstanding	7,047,098	7,047,098