Annual report pursuant to Section 13 and 15(d)

GOODWILL AND INTANGIBLES - Land Lease and Water Rights (Details)

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GOODWILL AND INTANGIBLES - Land Lease and Water Rights (Details) - Silver Slipper Casino Venture, LLC - Cure Land Company, LLC - Land Lease and Water Rights
$ in Millions
Dec. 31, 2017
USD ($)
Goodwill and Other Intangibles [Line Items]  
Excess fair value of land over estimated net present value of land lease payments $ 1.0
Fair value of water rights based on current market rate $ 0.4