Long-Term Loans, Related Party	12 Months Ended
Dec. 31, 2017
Debt Disclosure [Abstract]
Long-Term Loans, Related Party	Long-Term Loans, Related Party Kien Huat Montreign Loan Agreement and Kien Huat Note Exchange Agreement On January 24, 2017, Kien Huat and Montreign Holding entered into a loan agreement (the “Kien Huat Montreign Loan Agreement”), pursuant to which Montreign Holding obtained from Kien Huat a loan in the principal amount of $32.3 million (the "Kien Huat Montreign Loan"), the net proceeds of which were used as a capital contribution to Montreign Operating for use towards the expenses of the Development Projects. The Kien Huat Montreign Loan was to mature on February 24, 2024 (the “Kien Huat Loan Maturity Date”). The Kien Huat Montreign Loan bore interest at a rate of 12% per annum. Prior to the Kien Huat Loan Maturity Date, interest on the Kien Huat Montreign Loan was accrued and added to the outstanding principal of the Kien Huat Montreign Loan (the “Principal Indebtedness”) on the first business day of each calendar month beginning on February 1, 2017 (each an “Interest Payment Date”) and thereafter was deemed to be part of the Principal Indebtedness. The Principal Indebtedness, including all interest due through the applicable Interest Payment Date and other amounts due under the Kien Huat Montreign Loan, was payable in cash on the Kien Huat Loan Maturity Date. Notwithstanding the foregoing, Montreign Holding was required to pay in cash to Kien Huat, at the end of any “accrual period” (as defined in Section 1275(a)(5) of the Internal Revenue Code of 1986, as amended (the “Code”)) ending after the fifth anniversary of the Loan Closing Date, the aggregate amount by which (x) the sum of (i) the amount of accrued interest on the Kien Huat Montreign Loan that has been added to the Principal Indebtedness plus (ii) any other accrued but unpaid original issue discount (as determined under Section 163(i) of the Code) on the Kien Huat Montreign Loan from the closing date through the end of such accrual period, in each case that has not been paid in cash, exceeds (y) the product of (i) the “issue price” (as defined for purposes of the Code) and (ii) the “yield to maturity” (as defined for purposes of the Code). In addition to the interest payable on the Kien Huat Montreign Loan, Kien Huat was entitled to a commitment fee of 1%, which fee was added to the Principal Indebtedness of the Kien Huat Montreign Loan. The Kien Huat Montreign Loan could be repaid at any time without penalty. The obligations of Montreign Holding under the Kien Huat Montreign Loan Agreement were secured by a pledge of all the membership interests of Montreign Holding by Empire. The Kien Huat Montreign Loan Agreement contained representations and warranties and affirmative covenants that are usual and customary, including representations, warranties and covenants that, among other things, restrict Montreign Holding’s use of the proceeds of the Kien Huat Montreign Loan to expenses relating to the Development Projects. Obligations under the Kien Huat Montreign Loan Agreement may have been accelerated upon certain customary events of default (subject to grace periods, as appropriate), including, among others, nonpayment of principal, interest or fees, breach of the affirmative covenants and a default with respect to the payment of principal or interest under the Term Loan Facility by Montreign Operating or acceleration of the Term Loan Facility for any reason. Concurrently with and as a condition to the closing of the Bangkok Bank Loan Agreement, on December 28, 2017, Empire, Montreign Holding, and Kien Huat entered into a Note Exchange Agreement (the “Kien Huat Note Exchange Agreement”). The Kien Huat Note Exchange Agreement provides for the issuance of 1,379,873 shares of common stock (the “Exchange Shares”) to Kien Huat in full satisfaction of the Kien Huat Montreign Loan. On December 28, 2017, total indebtedness outstanding under the Kien Huat Montreign Loan was $36.2 million. Such total indebtedness outstanding under the Kien Huat Montreign Loan was exchanged for the Exchange Shares at an exchange rate of $26.21, which exchange rate represents the volume-weighted average price of the Company’s common stock for the 30-day period immediately preceding the date on which the Kien Huat Note Exchange Agreement was executed. In connection with the satisfaction in full of the Kien Huat Montreign Loan pursuant to the Kien Huat Note Exchange Agreement, Empire's pledge of its membership interests in Montreign Holding was released. The Exchange Shares were issued pursuant to an exemption from the registration requirement of the Securities Act provided in Section 4(a)(2) of the Securities Act. Kien Huat Backstop Loan Agreement Concurrently with and as a condition to the closing of the Bangkok Bank Loan Agreement, on December 28, 2017, Empire and Kien Huat entered into a loan agreement (the “Kien Huat Backstop Loan Agreement”), providing for loans to Empire in an aggregate principal amount of up to $20 million (the “Kien Huat Backstop Loan”). Any amounts borrowed under the Kien Huat Backstop Loan will be used exclusively to make payments required under the Bangkok Bank Loan Agreement and will mature on the one-year anniversary of the Maturity Date of the Bangkok Bank Loan, or such earlier date that the Bangkok Bank Loan is terminated (the “Backstop Maturity Date”). As of December 31, 2017, no amounts had been borrowed under the Kien Huat Backstop Loan. The Kien Huat Backstop Loan bears interest at a rate of 12% per annum. Prior to the Backstop Maturity Date, interest on any principal amount outstanding under the Kien Huat Backstop Loan will accrue and be added to the outstanding principal of the Kien Huat Backstop Loan on the first business day of each calendar month beginning on January 1, 2018 and will thereafter be deemed to be part of the principal indebtedness. The Kien Huat Backstop Loan, including all interest and any other amounts due under the Kien Huat Backstop Loan, shall be payable in cash on the Backstop Maturity Date. Kien Huat was paid a commitment fee of $200,000 on December 28, 2017. The Kien Huat Backstop Loan Agreement contains representations and warranties and affirmative covenants that are usual and customary, including representations, warranties and covenants that restrict the Company’s use of the proceeds of the Kien Huat Backstop Loan to pay amounts due and payable under the Bangkok Bank Loan. Obligations under the Kien Huat Backstop Loan Agreement may be accelerated upon certain customary events of default (subject to grace periods, as appropriate), including among others: nonpayment of principal, interest or fees; and breach of the affirmative covenants. Kien Huat Construction Loan Agreement On October 13, 2016, Montreign Operating and Kien Huat entered into a loan agreement (the "Kien Huat Construction Loan Agreement"). Pursuant to the Kien Huat Construction Loan Agreement, Kien Huat agreed to make available to Montreign Operating up to an aggregate of $50 million of loans to pay the expenses of the Casino while the debt financing for the Development Projects was being finalized. In connection with the closing of the Term Loan Facility and the Kien Huat Montreign Loan, on January 24, 2017, the Kien Huat Construction Loan Agreement expired pursuant to its terms without being utilized by Montreign Operating. Montreign Operating paid Kien Huat a commitment fee of $500,000 upon execution of the Kien Huat Construction Loan. The commitment fee was capitalized and was included in "Other Assets" at December 31, 2016. It was charged to "Interest Expense " on the Consolidated Statement of Operations on January 24, 2017, upon the issuance of the Kien Huat Montreign Loan Agreement. Conversion of Kien Huat Note On November 17, 2010, Empire entered into a loan agreement (the "2010 Kien Huat Loan Agreement") with Kien Huat pursuant to which Empire issued a convertible promissory note (the "2010 Kien Huat Note") in the original principal amount of $35 million, of which $17.4 million was outstanding as of December 31, 2015. On February 17, 2016, upon consummation of the January 2016 Rights Offering, the 2010 Kien Huat Note was converted into 1,332,058 shares of common stock (the "Note Conversion") in accordance with the terms of the 2010 Kien Huat Loan Agreement. The Company recognized approximately $178,000 and $1.3 million in interest expense associated with the 2010 Kien Huat Note during the years ended December 31, 2016 and 2015, respectively.

Long-Term Loans, Related Party

Kien Huat Montreign Loan Agreement and Kien Huat Note Exchange Agreement

On January 24, 2017, Kien Huat and Montreign Holding entered into a loan agreement (the “Kien Huat Montreign Loan Agreement”), pursuant to which Montreign Holding obtained from Kien Huat a loan in the principal amount of $32.3 million (the "Kien Huat Montreign Loan"), the net proceeds of which were used as a capital contribution to Montreign Operating for use towards the expenses of the Development Projects. The Kien Huat Montreign Loan was to mature on February 24, 2024 (the “Kien Huat Loan Maturity Date”).

The Kien Huat Montreign Loan bore interest at a rate of 12% per annum. Prior to the Kien Huat Loan Maturity Date, interest on the Kien Huat Montreign Loan was accrued and added to the outstanding principal of the Kien Huat Montreign Loan (the “Principal Indebtedness”) on the first business day of each calendar month beginning on February 1, 2017 (each an “Interest Payment Date”) and thereafter was deemed to be part of the Principal Indebtedness. The Principal Indebtedness, including all interest due through the applicable Interest Payment Date and other amounts due under the Kien Huat Montreign Loan, was payable in cash on the Kien Huat Loan Maturity Date. Notwithstanding the foregoing, Montreign Holding was required to pay in cash to Kien Huat, at the end of any “accrual period” (as defined in Section 1275(a)(5) of the Internal Revenue Code of 1986, as amended (the “Code”)) ending after the fifth anniversary of the Loan Closing Date, the aggregate amount by which (x) the sum of (i) the amount of accrued interest on the Kien Huat Montreign Loan that has been added to the Principal Indebtedness plus (ii) any other accrued but unpaid original issue discount (as determined under Section 163(i) of the Code) on the Kien Huat Montreign Loan from the closing date through the end of such accrual period, in each case that has not been paid in cash, exceeds (y) the product of (i) the “issue price” (as defined for purposes of the Code) and (ii) the “yield to maturity” (as defined for purposes of the Code). In addition to the interest payable on the Kien Huat Montreign Loan, Kien Huat was entitled to a commitment fee of 1%, which fee was added to the Principal Indebtedness of the Kien Huat Montreign Loan. The Kien Huat Montreign Loan could be repaid at any time without penalty.

The obligations of Montreign Holding under the Kien Huat Montreign Loan Agreement were secured by a pledge of all the membership interests of Montreign Holding by Empire. The Kien Huat Montreign Loan Agreement contained representations and warranties and affirmative covenants that are usual and customary, including representations, warranties and covenants that, among other things, restrict Montreign Holding’s use of the proceeds of the Kien Huat Montreign Loan to expenses relating to the Development Projects. Obligations under the Kien Huat Montreign Loan Agreement may have been accelerated upon certain customary events of default (subject to grace periods, as appropriate), including, among others, nonpayment of principal, interest or fees, breach of the affirmative covenants and a default with respect to the payment of principal or interest under the Term Loan Facility by Montreign Operating or acceleration of the Term Loan Facility for any reason.

Concurrently with and as a condition to the closing of the Bangkok Bank Loan Agreement, on December 28, 2017, Empire, Montreign Holding, and Kien Huat entered into a Note Exchange Agreement (the “Kien Huat Note Exchange Agreement”). The Kien Huat Note Exchange Agreement provides for the issuance of 1,379,873 shares of common stock (the “Exchange Shares”) to Kien Huat in full satisfaction of the Kien Huat Montreign Loan. On December 28, 2017, total indebtedness outstanding under the Kien Huat Montreign Loan was $36.2 million. Such total indebtedness outstanding under the Kien Huat Montreign Loan was exchanged for the Exchange Shares at an exchange rate of $26.21, which exchange rate represents the volume-weighted average price of the Company’s common stock for the 30-day period immediately preceding the date on which the Kien Huat Note Exchange Agreement was executed. In connection with the satisfaction in full of the Kien Huat Montreign Loan pursuant to the Kien Huat Note Exchange Agreement, Empire's pledge of its membership interests in Montreign Holding was released. The Exchange Shares were issued pursuant to an exemption from the registration requirement of the Securities Act provided in Section 4(a)(2) of the Securities Act.

Kien Huat Backstop Loan Agreement

Concurrently with and as a condition to the closing of the Bangkok Bank Loan Agreement, on December 28, 2017, Empire and Kien Huat entered into a loan agreement (the “Kien Huat Backstop Loan Agreement”), providing for loans to Empire in an aggregate principal amount of up to $20 million (the “Kien Huat Backstop Loan”). Any amounts borrowed under the Kien Huat Backstop Loan will be used exclusively to make payments required under the Bangkok Bank Loan Agreement and will mature on the one-year anniversary of the Maturity Date of the Bangkok Bank Loan, or such earlier date that the Bangkok Bank Loan is terminated (the “Backstop Maturity Date”). As of December 31, 2017, no amounts had been borrowed under the Kien Huat Backstop Loan.

The Kien Huat Backstop Loan bears interest at a rate of 12% per annum. Prior to the Backstop Maturity Date, interest on any principal amount outstanding under the Kien Huat Backstop Loan will accrue and be added to the outstanding principal of the Kien Huat Backstop Loan on the first business day of each calendar month beginning on January 1, 2018 and will thereafter be deemed to be part of the principal indebtedness. The Kien Huat Backstop Loan, including all interest and any other amounts due under the Kien Huat Backstop Loan, shall be payable in cash on the Backstop Maturity Date. Kien Huat was paid a commitment fee of $200,000 on December 28, 2017.

The Kien Huat Backstop Loan Agreement contains representations and warranties and affirmative covenants that are usual and customary, including representations, warranties and covenants that restrict the Company’s use of the proceeds of the Kien Huat Backstop Loan to pay amounts due and payable under the Bangkok Bank Loan. Obligations under the Kien Huat Backstop Loan Agreement may be accelerated upon certain customary events of default (subject to grace periods, as appropriate), including among others: nonpayment of principal, interest or fees; and breach of the affirmative covenants.

Kien Huat Construction Loan Agreement

On October 13, 2016, Montreign Operating and Kien Huat entered into a loan agreement (the "Kien Huat Construction Loan Agreement"). Pursuant to the Kien Huat Construction Loan Agreement, Kien Huat agreed to make available to Montreign Operating up to an aggregate of $50 million of loans to pay the expenses of the Casino while the debt financing for the Development Projects was being finalized. In connection with the closing of the Term Loan Facility and the Kien Huat Montreign Loan, on January 24, 2017, the Kien Huat Construction Loan Agreement expired pursuant to its terms without being utilized by Montreign Operating. Montreign Operating paid Kien Huat a commitment fee of $500,000 upon execution of the Kien Huat Construction Loan. The commitment fee was capitalized and was included in "Other Assets" at December 31, 2016. It was charged to "Interest Expense " on the Consolidated Statement of Operations on January 24, 2017, upon the issuance of the Kien Huat Montreign Loan Agreement.

Conversion of Kien Huat Note

On November 17, 2010, Empire entered into a loan agreement (the "2010 Kien Huat Loan Agreement") with Kien Huat pursuant to which Empire issued a convertible promissory note (the "2010 Kien Huat Note") in the original principal amount of $35 million, of which $17.4 million was outstanding as of December 31, 2015. On February 17, 2016, upon consummation of the January 2016 Rights Offering, the 2010 Kien Huat Note was converted into 1,332,058 shares of common stock (the "Note Conversion") in accordance with the terms of the 2010 Kien Huat Loan Agreement.

The Company recognized approximately $178,000 and $1.3 million in interest expense associated with the 2010 Kien Huat Note during the years ended December 31, 2016 and 2015, respectively.