Project Development Costs Project Development Costs (Details Textual) - USD ($) $ in Thousands		6 Months Ended
	Feb. 06, 2015	Jun. 30, 2015	Jun. 30, 2014
Development Costs [Line Items]
Agreement To Exercise Additional Rights, Expenses Relating to Gaming Facility License		$ 7,000
Debt Instrument, Periodic Payment, Principal		17,400
Project development costs incurred		9,400	$ 7,800
Legal, Construction Manager Costs, Consultants, And Other Professional Services [Member]
Development Costs [Line Items]
Project development costs incurred		1,500	2,800
Legal Expense [Member]
Development Costs [Line Items]
Project development costs incurred		2,300	2,800
Architectural Fees [Member]
Development Costs [Line Items]
Project development costs incurred		5,600	1,600
Application Fee [Member]
Development Costs [Line Items]
Project development costs incurred			1,000
Professional Services [Member]
Development Costs [Line Items]
Project development costs incurred			900
Agreement Payments [Member]
Development Costs [Line Items]
Project development costs incurred		2,300	$ 1,500
Common Stock | January 2015 Rights Offering
Development Costs [Line Items]
Agreement To Exercise Additional Rights, Proceeds from Offering	$ 49,500	$ 42,500