Write Downs, Reserves and Recoveries (Schedule of Write Downs, Reserves and Recoveries) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Commitments and Contingencies Disclosure [Abstract]
CCDC litigation reserve	$ 0	$ 0	$ 3,100
Tax penalties and interest related to bankruptcy estate	0	0	(1,459)
Write off of capitalized environmental remediation costs	(60)	(448)	2,649
Amounts related to closure of Henderson Casino Bowl	0	0	476
Loss on asset disposal	47	0	0
Other	314	24	0
Write downs, reserves and recoveries	$ 301	$ (424)	$ 4,766