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Long-Term Debt (Boyd Senior and Senior Subordinated Notes Narrative) (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
	Mar. 29, 2016	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Debt Instrument [Line Items]
Debt financing costs, net				$ 12,936	$ 13,496
Loss on early extinguishments of debt		$ 419	$ 30,962	846	31,470
Premium and consent fees paid				$ 0	(24,246)
Senior Notes | 9.00% Senior Notes Due 2020
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		9.00%		9.00%
Parent
Debt Instrument [Line Items]
Debt financing costs, net				$ 12,936	13,496
Loss on early extinguishments of debt		$ 0	30,008	$ 0	30,008
Premium and consent fees paid					$ (24,246)
Parent | Senior Notes
Debt Instrument [Line Items]
Loss on early extinguishments of debt			$ 30,000
Parent | Senior Notes | 6.375% Senior Notes Due 2026
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		6.375%		6.375%
Debt financing costs, net	$ 13,000
Parent | Senior Notes | 9.00% Senior Notes Due 2020
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		9.00%		9.00%		9.00%

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Contractual interest rate for funds borrowed, under the debt agreement.

+ 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 210.5-02.22(a)(1))
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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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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

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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-Section 45
-Paragraph 28
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The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

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