Represents the equity interest in the buyer.

No definition available.

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- Definition

Represents the amount of a note receivable, as consideration, as part of a disposal group including discontinued operation.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Represents number of variable interest entities.

+ References

No definition available.

+ Details

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- Definition

Represents the percentage of ownership as of a specified date.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
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- Definition

Represents proceeds from sale of asset.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Amount of currency on hand, demand deposits with banks or financial institutions, and other kinds of accounts that have the general characteristics of demand deposits, held by a disposal group.

+ References

No definition available.

+ Details

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- Definition

Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

+ References

No definition available.

+ Details

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- Definition

This item represents an other than temporary decline in value that has been recognized against an investment accounted for under the equity method of accounting. The excess of the carrying amount over the fair value of the investment represents the amount of the write down which is or was reflected in earnings. The written down value is a new cost basis with the adjusted value of the investment becoming its new carrying value subject to the equity accounting method. Evidence of a loss in value might include, but would not necessarily be limited to, absence of an ability to recover the carrying amount of the investment or inability of the investee to sustain an earnings capacity which would justify the carrying amount of the investment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 35
-Paragraph 32
-URI http://asc.fasb.org/extlink&oid=114001220&loc=d3e32787-111569

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Data Type:	xbrli:monetaryItemType
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Period Type:	duration

- Definition

Fair value portion of investments accounted under the equity method.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 25
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=66022186&loc=d3e32014-111567

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Data Type:	xbrli:monetaryItemType
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- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The amount of a reclassification adjustment made to prior period financial statement amounts.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(f))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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Period Type:	duration

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Note 1 - Significant Accounting Policies (Details Textual)		12 Months Ended
	Mar. 02, 2018 USD ($)	Dec. 31, 2018 USD ($)	Sep. 30, 2018
Letters of Credit Outstanding, Amount		$ 0
Number of Variable Interest Entities		3
Churchill Downs Holdings, Ltd. [Member]
Ownership Percentage		1.40%	5.00%
Year Ended December 31, 2017 [Member] \| Decrease in Other Long-term Liabilities due to Accrued Franchise and Workers Compensation Liability Error Correction [Member]
Prior Period Reclassification Adjustment		$ 250,000
Revolving Credit Facility [Member] \| Wells Fargo [Member]
Repayments of Lines of Credit	$ 1,300,000
Churchill Downs LLC [Member]
Proceeds from Sale of Asset	10,600,000
Equity Method Investment, Other than Temporary Impairment		168,000
Equity Method Investments, Fair Value Disclosure		$ 0
Asset Sale [Member] \| Churchill Downs LLC [Member]
Disposal Group, Including Discontinued Operation, Consideration	10,800,000
Disposal Group, Including Discontinued Operation, Note Receivable, Amount	$ 7,400,000
Disposal Group, Including Discontinued Operation, Equity Interest in Buyer	5.00%
Disposal Group, Including Discontinued Operation, Cash	$ 193,000