Related Party Transactions (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Dec. 31, 2010
Expenses for legal services	$ 672,000	$ 326,000	$ 1,224,000	$ 545,000
Accounts payable for amounts due	361,000		361,000		266,000
Discontinued Operations [Member]
Expenses for legal services			170,000	154,000
Senior Credit Agreement [Member]
Revolving credit facility availability	$ 200,000,000		$ 200,000,000		$ 200,000,000