SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND BASIS OF PRESENTATION (Basis of Presentation) (Details) (USD $)	1 Months Ended	3 Months Ended		9 Months Ended	12 Months Ended						3 Months Ended	12 Months Ended			6 Months Ended
	Apr. 26, 2012	Mar. 31, 2012	Mar. 31, 2011	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2010	Dec. 31, 2012 Series A Term Loan [Member]	Dec. 31, 2012 Series B Term Loan [Member]	Dec. 31, 2012 Working Capital Facility [Member]	Dec. 31, 2012 Working Capital Facility [Member] Series A Term Loan [Member]	Mar. 31, 2011 Predecessor [Member]	Dec. 31, 2010 Predecessor [Member]	Dec. 31, 2012 Predecessor [Member]	Dec. 31, 2009 Predecessor [Member]	Jun. 30, 2012 Restatement Adjustment [Member]
Nature of Operations, Principles of Consolidation, and Accounting for Reorganization
Entity incorporation date with wholly-owned subsidiary					Jan. 27, 1993
Acquisition of all assets and liabilities of Riviera, Inc. Casino-Hotel Division					Jun. 30, 1993
Payment received from sales of stocks subject to certain post-closing working capital adjustments	$ 76,000,000
Minimum amount of working capital required to be left for RBH	2,100,000
Cash and cash equivalents including restricted					76,500,000
Restricted cash and cash equivalents					62,600,000
Statement [Line Items]
Reorganization items											1,383,000	4,622,000
Amount of recorded depreciation and amortization expense in income from discontinued operation before correction of errors		1,372,000		1,372,000
Income from discontinued operations				2,889,000	17,239,000						1,678,000	3,274,000			879,000
Basic and diluted earnings per share															$ 0.1
Net income (loss)			82,802,000	(14,077,000)	(29,627,000)	(20,839,000)					82,802,000	(20,839,000)
Accumulated deficit				(14,920,000)	(44,547,000)
Cash and cash equivalents			36,328,000	20,762,000	13,914,000						16,328,000	15,168,000		14,115,000
Working-capital deficit					(10,100,000)
Line of Credit Facility [Line Items]
Line of credit facility borrowing capacity							50,000,000	20,000,000	10,000,000	10,000,000			245,000,000
Current portion of long-term debt					$ 76,873,000		$ 50,000,000	$ 26,900,000