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Leases (Details Textual)	3 Months Ended		6 Months Ended
	Jun. 30, 2018 USD ($) a	Jun. 30, 2017 USD ($)	Jun. 30, 2018 USD ($) a Parcel
Lessor Lease Description [Line Items]
Rental revenue | $	$ 1,900,000	$ 0	$ 3,600,000
Gold Town Casino [Member] | Nevada [Member]
Lessor Lease Description [Line Items]
Number of Leased Parcels of Land | Parcel			4
Rocky Gap State Park [Member] | Maryland DNR [Member]
Lessor Lease Description [Line Items]
Area Of Land | a	270		270

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- Definition

The number of parcels of land leased by the reporting entity.

+ References

No definition available.

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- Definition

Area of land held.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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- Definition

Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77888428&loc=SL77919372-209981

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=77888421&loc=SL77919311-209978

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 270
-SubTopic 10
-Section 50
-Paragraph 6A
-URI http://asc.fasb.org/extlink&oid=109225645&loc=SL77927221-108306

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