Overview And Summary Of Significant Accounting Policies (Narrative) (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2016 USD ($)	Sep. 30, 2015 USD ($)	Sep. 30, 2016 USD ($) a item mi	Sep. 30, 2015 USD ($)
Overview And Summary Of Significant Accounting Policies [Abstract]
Number of subsidiaries | item			2
Numbers of acres to be developed | a			140
Racetrack distance from Minneapolis (in miles) | mi			25
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
Due to Minnesota Horsemen's Benevolent and Protective Association, Inc | $	$ 3,640,000	$ 3,285,000	$ 6,273,000	$ 5,233,000
Gain on insurance proceeds | $	$ 592,276	$ 120,090	$ 592,276	$ 120,090