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Segment Information - Total Asset Information For Segments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	$ 2,277,444	$ 2,356,253
Capital expenditures	43,510	54,486	$ 48,771
Racing
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	437,070	456,034
Capital expenditures	12,280	33,919	20,184
Casinos
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	631,280	621,489
Capital expenditures	18,784	7,715	13,643
TwinSpires
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	177,624	178,694
Capital expenditures	4,306	5,778	5,908
Big Fish Games
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	947,112	996,918
Capital expenditures	6,431	116	0
Other Investments
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	37,033	34,083
Capital expenditures	809	5,240	8,375
Corporate
Segment Reporting, Asset Reconciling Item [Line Items]
Assets	47,325	69,035
Capital expenditures	$ 900	$ 1,718	$ 661

X

- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.18)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 12
-Article 7

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- Definition

Amount of acquisition of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

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+ References

No definition available.

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