Organization And Nature Of Business - Additional Information (Details)																	1 Months Ended		3 Months Ended		9 Months Ended
	Jan. 15, 2018 USD ($)	Jul. 01, 2017 USD ($)	Nov. 02, 2016 USD ($)	Oct. 14, 2016 USD ($)	Oct. 13, 2016 USD ($)	Mar. 01, 2016 USD ($)	Feb. 25, 2016 USD ($)	Feb. 17, 2016 shares	Jan. 04, 2016 USD ($) shares	Dec. 28, 2015 USD ($)	Dec. 23, 2015	Sep. 22, 2015 USD ($)	Sep. 21, 2015 USD ($)	Feb. 06, 2015 USD ($) $ / shares shares	Jan. 05, 2015 USD ($)	Jan. 02, 2015 USD ($)	Jan. 31, 2016 USD ($)	Jun. 30, 2014 USD ($)	Sep. 30, 2016 USD ($) a ft² restaurant table_game slot_machine story room $ / shares shares	Sep. 30, 2015 USD ($)	Sep. 30, 2016 USD ($) a ft² restaurant table_game electronic_table_game seat video_gaming_machine slot_machine video_lottery_terminal mi story employee room $ / shares shares	Sep. 30, 2015 USD ($)	Jan. 01, 2017	Jun. 07, 2016 USD ($)	Dec. 31, 2015 USD ($) shares	Apr. 23, 2014 USD ($)	Feb. 12, 2014 shares	Feb. 16, 2011 shares
Subsequent Event [Line Items]
Stockholders' Equity Note, Stock Split, Conversion Ratio											0.2
Size of Video Gaming Machine and Harness Horse Racing Facility | ft²																					45,000
Distance from Location | mi																					90
Number of Video Gaming Machine | video_gaming_machine																					1,110
Number of Video Lottery Terminals | video_lottery_terminal																					1,070
Number of Electronic Table Game | electronic_table_game																					40
Gaming Facility license term (in years)																					10 years
Gaming Facility Renewal Term																					10 years
Project Development, Minimum Capital Investment, Percent Bonded																					10.00%
Project Development, Future Minimum Capital Investment, Excluding License Fee						$ 651,400,000															$ 854,000,000
Minimum Number of Full Time Jobs | employee																					1,425
Minimum Number of Part Time Jobs | employee																					96
Project Development Costs Option Agreement Payment										$ 8,500,000
Application Fees, Gaming Facility License																										$ 1,000,000
Application Fees, Gaming Facility License, Refunded Portion																					$ 189,000
Project Development, Minimum Capital Investment Deposit, Payment						85,400,000
Cash collateral for deposit bond																					15,000,000	$ 0
Payment for License Fee							$ 51,000,000														$ 51,000,000	0
Tax Rate On Slot Machines																					39.00%
Tax Rate On Tables																					10.00%
Annual Binding Supplemental Fee																					$ 500
Estimated Tax Abatement Period Of Recognition																					16 years
Assets, Current																			$ 15,879,000		$ 15,879,000				$ 13,750,000
Liabilities, Current																			50,142,000		50,142,000				20,471,000
Accrued Development Projects costs																			41,782,000		41,782,000				10,811,000
Operating Income (Loss)																			(5,388,000)	$ (12,486,000)	(17,198,000)	(22,844,000)
Development expenses																			3,159,000	$ 13,396,000	9,382,000	22,825,000
Professional Fees																					5,400,000
Allocated Share-based Compensation Expense																					2,000,000
Project development costs incurred																					9,400,000
Project Development Costs Eligible to be Capitalized																					$ 141,000,000
Security Deposit, Minimum Capital Investment Expensed for Deposit to be Releases, Percent																					85.00%
Cash collateral for deposit bond																			$ 15,000,000		$ 15,000,000				$ 0
Debt Instrument Covenant, Equity Investment Required												$ 301,000,000
Commitment Fee, Percent of Amount Raised, Percent																		1.00%
Capital														$ 50,000,000
Stock Issued During Period, Shares, New Issues | shares																					20,138,888
Shares Issued, Price Per Share | $ / shares																			$ 14.40		$ 14.40
Common Stock, Shares Authorized | shares																			150,000,000		150,000,000				150,000,000			150,000,000
Converted instrument, shares issued (in shares) | shares								1,332,058
Basic Subscription and Over-subscription Rights [Member]
Subsequent Event [Line Items]
Stock Issued During Period, Shares, New Issues | shares																					176,086
EPT Concord II, LLC [Member]
Subsequent Event [Line Items]
Area of Real Estate Property | a																			1,700		1,700
Montreign [Member]
Subsequent Event [Line Items]
Gaming facility license fee						$ 51,000,000	$ 51,000,000
Security Deposit																			$ 65,000,000		$ 65,000,000
Project Parties [Member]
Subsequent Event [Line Items]
Project Development, Minimum Capital Investment, Percent Bonded						10.00%
Cash collateral for deposit bond						$ 65,000,000
EPR Member [Member]
Subsequent Event [Line Items]
Project Development, Minimum Capital Investment, Percent Bonded						10.00%
Cash collateral for deposit bond						$ 20,000,000
Kien Huat Realty Limited [Member]
Subsequent Event [Line Items]
Equity Investment Commitment												375,000,000	$ 150,000,000
Montreign Resort Casino [Member]
Subsequent Event [Line Items]
Area of Real Estate Property | ft²																			90,000		90,000
Number of Slot Machine | slot_machine																			2,150		2,150
Number of Table Games | table_game																			102		102
Number of stories | story																			18		18
Number of Rooms | room																			332		332
Number of Garden Suite Units in Real Estate Property | room																			8		8
Number of 1,800 sq ft Two-Story Villas in Real Estate Property | room																			7		7
Number of Penthouse Units in Real Estate Property | room																			12		12
Number of VIP Gaming Salons | room																					6
Size of Multi-functional Space | ft²																					27,000
Capacity of Multi-purpose Space | seat																					1,300
Area of Meeting Space | ft²																					7,000
Area of Spa | ft²																					7,500
Number of Restaurants | restaurant																			8		8
Number of Bars | restaurant																					4
Entertainment Village [Member]
Subsequent Event [Line Items]
Project Development, Future Minimum Capital Investment, Excluding License Fee																					$ 25,000,000
Entertainment Village [Member] | Project Parties [Member]
Subsequent Event [Line Items]
Project Development, Future Minimum Capital Investment, Excluding License Fee																					25,000,000
Casino Project [Member] | Project Parties [Member]
Subsequent Event [Line Items]
Project Development, Future Minimum Capital Investment, Excluding License Fee																					611,000,000
Golf Course [Member]
Subsequent Event [Line Items]
Project Development, Future Minimum Capital Investment, Excluding License Fee																					15,000,000
Golf Course [Member] | Project Parties [Member]
Subsequent Event [Line Items]
Project Development, Future Minimum Capital Investment, Excluding License Fee																					15,000,000
Waterpark [Member] | EPR Member [Member]
Subsequent Event [Line Items]
Project Development, Future Minimum Capital Investment, Excluding License Fee																					$ 120,000,000
Maximum
Subsequent Event [Line Items]
Non Taxable Free Play Allowance on First $100 Million, Percent																			15.00%		15.00%
Monticello Harness Horsemens Association [Member]
Subsequent Event [Line Items]
Agreement, Contractual Term Extension																					7 years
Kien Huat Realty Limited [Member]
Subsequent Event [Line Items]
Debt Related Commitment Fees and Debt Issuance Costs																						975,000
Stock Issued During Period, Shares, New Issues | shares																					6,825,985
Kien Huat Realty Limited [Member] | Basic Subscription Rights [Member]
Subsequent Event [Line Items]
Stock Issued During Period, Shares, New Issues | shares																					13,136,817
Casino Lease [Member]
Subsequent Event [Line Items]
Operating Leases, Annual Rent, Percent of Gaming Revenue																					5.00%
Casino Lease [Member] | EPT Concord II, LLC [Member]
Subsequent Event [Line Items]
Lessee Leasing Arrangements, Operating Leases, Notice To Terminate Lease										12 months
Regulated Revenue [Member] | Revenue from Monticello Casino and Raceway [Member]
Subsequent Event [Line Items]
Percent of Video Game Machine Revenue Distributed to Casino																					41.00%
Transferable Subscription Rights
Subsequent Event [Line Items]
Agreement To Exercise Additional Rights, Proceeds from Offering																	$ 286,000,000				$ 82,200,000
Value of subscription rights to be exercised, maximum									$ 290,000,000
Sale of stock, commitment fee									1,500,000
Sale of stock, expenses reimbursed (not exceeding)									$ 50,000
Common Stock, Shares Authorized | shares									20,138,888
License Grant Rights Offering [Member] | Kien Huat Realty Limited [Member]
Subsequent Event [Line Items]
Agreement to Exercise Additional Rights, Participation Amount																		$ 150,000,000			290,000,000
Follow-On Rights Offering [Member] | Kien Huat Realty Limited [Member]
Subsequent Event [Line Items]
Agreement to Exercise Additional Rights, Participation Amount																					35,000,000
Non-Transferable Subscription Rights [Member]
Subsequent Event [Line Items]
Agreement To Exercise Additional Rights, Proceeds from Offering															$ 50,000,000
Non-Transferable Subscription Rights [Member] | Kien Huat Realty Limited [Member]
Subsequent Event [Line Items]
Commitment Fee, Portion Paid															250,000
Commitment Fee, Expenses Reimbursed															$ 40,000
Shelf Registration [Member]
Subsequent Event [Line Items]
Common Stock, Shares Authorized | shares																											250,000,000
Land Lease Expense [Member]
Subsequent Event [Line Items]
Project development costs incurred																					7,800,000
Property Tax Expense [Member]
Subsequent Event [Line Items]
Project development costs incurred																					0
Legal, Construction Manager Costs, Consultants, And Other Professional Services [Member]
Subsequent Event [Line Items]
Project development costs incurred																					$ 1,200,000	15,900,000
Agreement Payments [Member]
Subsequent Event [Line Items]
Project development costs incurred																						3,400,000
Architectural, Engineering, Construction Manager, and Subcontractor [Member]
Subsequent Event [Line Items]
Project development costs incurred																						$ 2,500,000
Senior Secured Credit Facility [Member] | Credit Suisse AG [Member]
Subsequent Event [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity												$ 545,000,000						$ 478,000,000
Execution of Commitment Letter [Member]
Subsequent Event [Line Items]
Commitment Fee, Percent of Amount Raised, Percent																		0.50%
Rights Offering Launched [Member]
Subsequent Event [Line Items]
Commitment Fee, Percent of Amount Raised, Percent																		0.50%
Common Stock | Transferable Subscription Rights
Subsequent Event [Line Items]
Shares, Issued | shares								20,138,888
Common Stock | Non-Transferable Subscription Rights [Member]
Subsequent Event [Line Items]
Agreement To Exercise Additional Rights, Proceeds from Offering														$ 49,500,000
Basic Subscription Rights, Exercise Period After Grant																10 days
Agreement To Exercise Additional Rights, Aggregate Amount Threshold																$ 50,000,000
Shares, Issued | shares														1,408,451
Shares Issued, Price Per Share | $ / shares														$ 35.50
Common Stock | Non-Transferable Subscription Rights [Member] | Kien Huat Realty Limited [Member]
Subsequent Event [Line Items]
Shares, Issued | shares														864,360
Common Stock | Standby Purchase Agreement [Member] | Kien Huat Realty Limited [Member]
Subsequent Event [Line Items]
Shares, Issued | shares								6,825,985						533,433
Basic Subscription Rights [Member] | Common Stock | Transferable Subscription Rights
Subsequent Event [Line Items]
Shares, Issued | shares								176,086
Basic Subscription Rights [Member] | Common Stock | Non-Transferable Subscription Rights [Member]
Subsequent Event [Line Items]
Shares, Issued | shares														10,658
Kien Huat Financing Commitment [Member]
Subsequent Event [Line Items]
Debt Instrument, Committed Face Amount																								$ 525,000,000
Debt and Equity Investment [Member] | Kien Huat Financing Commitment [Member]
Subsequent Event [Line Items]
Debt Instrument, Funding Fee Percentage																								1.75%
Scenario, Forecast [Member] | Montreign [Member]
Subsequent Event [Line Items]
Increase (decrease) in deposit assets	$ 30,000,000	$ 20,000,000
Scenario, Forecast [Member] | KH Construction Loan Agreement [Member]
Subsequent Event [Line Items]
Debt Instrument, Interest Rate, Stated Percentage																							7.50%
Subsequent Event [Member]
Subsequent Event [Line Items]
Sale of Stock, Consideration Receivable for Future Issuances			$ 83,700,000
Sale of Stock, Authorized Amount				$ 250,000,000
Subsequent Event [Member] | KH Construction Loan Agreement [Member]
Subsequent Event [Line Items]
Debt Instrument, Face Amount					$ 50,000,000
Subsequent Event [Member] | KH Construction Loan Agreement [Member] | Montreign [Member]
Subsequent Event [Line Items]
Debt Related Commitment Fees and Debt Issuance Costs					$ 500,000