SALE OF NEWPORT GRAND - Loss on Disposal (Details) - Sale of Newport Grand - Disposal Group, Disposed of by Sale, Not Discontinued Operations - USD ($) $ in Thousands		12 Months Ended
	Jan. 17, 2018	Dec. 31, 2018	May 01, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sale price		$ 10,150	$ 10,200
Impairment loss	$ (4,200)
Participation fees	$ (2,400)
Newport Grand disposal loss		(6,514)
Land, Buildings and Improvements
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Land, building and improvement costs sold or written off		(12,993)
Transaction costs		(669)
Impairment loss		(3,512)
Participation fees		(2,373)
Newport Grand disposal loss		(5,885)
Equipment
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Newport Grand disposal loss		$ (629)