Write-downs, reserves and recoveries, net (Details) (USD $)	1 Months Ended	3 Months Ended		12 Months Ended				1 Months Ended	12 Months Ended
	Apr. 30, 2011	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Apr. 30, 2010	Oct. 31, 2011 L Auberge du Lac [Member]	Dec. 31, 2011 L Auberge du Lac [Member]
Write-downs, Reserves and Recoveries [Line Items]
Credit on furure lease payment								$ 2,500,000
Loss on disposal of assets				(3,400,000)	(2,600,000)	(1,200,000)			(3,200,000)
Impairment of assets				400,000	200,000	0
Legal settlement expense (recoveries)				400,000	(6,500,000)	0
Write-downs, reserves and recoveries, net				4,163,000	(3,701,000)	1,211,000
Loss on donation of land	5,700,000
Face amount of bonds							5,300,000
Fair value of bonds							5,000,000
Impairment on bonds		200,000
Payments for legal settlements				400,000
Proceeds from legal settlements			$ 6,500,000