OVERVIEW AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details)	9 Months Ended
	Sep. 30, 2020 USD ($) a item	Sep. 30, 2019 USD ($)
Schedule of Equity Method Investments [Line Items]
Casino open, number of hours daily	24 hours
Casino open, number of days weekly	7 days
Minnesota State law, maximum number of game tables | item	80
Numbers of acres to be developed | a	140
Funds Due To Organization	$ 2,885,000	$ 6,299,000
Revolving Credit Facility
Schedule of Equity Method Investments [Line Items]
Credit line maximum borrowing amount	$ 6,000,000