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Long-Term Debt Loss on Early Extinguishment of Debt (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Extinguishment of Debt [Line Items]
Loss on early extinguishments of debt	$ 419	$ 30,962	$ 846	$ 31,470
Parent
Extinguishment of Debt [Line Items]
Loss on early extinguishments of debt	0	30,008	0	30,008
Bank Credit Facility | Subsidiary, Peninsula Gaming [Member]
Extinguishment of Debt [Line Items]
Loss on early extinguishments of debt	$ 400	1,000	$ 800	$ 1,500
Senior Notes | Parent
Extinguishment of Debt [Line Items]
Loss on early extinguishments of debt		$ 30,000

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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

No definition available.

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12317-112629

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12355-112629

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