BUSINESS AND BASIS OF PRESENTATION (Details) (USD $)	3 Months Ended	6 Months Ended				0 Months Ended
	Jun. 30, 2014	Jun. 30, 2014	Dec. 31, 2013	Sep. 09, 2013	Jun. 30, 2014 Notes	Mar. 07, 2014 Credit Facility	Sep. 09, 2013 Eldorado	Nov. 04, 2013 Eldorado	Sep. 09, 2013 Silver Legacy Eldorado	Sep. 09, 2013 Silver Legacy MGM Resorts International	Jun. 30, 2014 Eclair Holdings Company	Dec. 31, 2013 Eclair Holdings Company	Jun. 30, 2014 Ridgeline Acquisition Corp	Dec. 31, 2013 Ridgeline Acquisition Corp	Jun. 30, 2014 Eclair Acquisition Company, LLC	Dec. 31, 2013 Eclair Acquisition Company, LLC
Pending Mergers with Eldorado HoldCo LLC
Assets	$ 648,836,000	$ 648,836,000	$ 652,960,000								$ 0	$ 0	$ 0	$ 0	$ 0	$ 0
Proportionate ownership interest in joint venture (as a percent)									50.00%	50.00%
MTR Exchange Ratio				1
Cash in exchange for each share of the entity's common stock				6.05			6.05
Maximum cash to be received for shares exchanged				35,000,000
Period preceding the closing date that EBITDA is considered for evaluating merger consideration							20 days
Multiplier used with adjusted EBITDA in calculation of merger consideration							6.81
Maximum amount of transaction expenses incurred by MTR that may adjust merger consideration to be received by Eldorado members							7,000,000
Multiplier used with adjusted EBITDA of Silver Legacy in calculation of merger consideration							6.81
Interest rate (as a percent)					11.50%
Minimum combined adjusted EBITDA of the entity and Eldorado as condition for obligation to complete merger								115,000,000
Maximum payment to repurchase shares that results in breach of the Credit Facility For which waiver is received						35,000,000
Amount of fee incurred to obtain the amendment						0
Strategic transaction costs	$ 383,000	$ 904,000