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Condensed Consolidating Financial Information (Narrative) (Details) - Boyd | Sep. 02, 2016 | Dec. 31, 2015 | May 21, 2015 | Dec. 31, 2014 | Dec. 31, 2013 | Jun. 08, 2012 | Nov. 10, 2010
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For the year ending December 31, |  |  |  |  |  |  |
Subsidiaries, Ownership Percentage |  | 100.00% |  |  | 100.00% |  |
Senior Notes | 9.125% Senior Notes Due 2018 |  |  |  |  |  |  |
For the year ending December 31, |  |  |  |  |  |  |
Debt instrument, stated interest rate |  |  |  | 9.13% |  |  | 9.125%
Senior Notes | Senior Notes Due 2023 [Member] |  |  |  |  |  |  |
For the year ending December 31, |  |  |  |  |  |  |
Debt instrument, stated interest rate | 6.875% | 6.875% | 6.875% |  |  |  |
Senior Notes | 6.375% Senior Notes Due 2026 [Member] |  |  |  |  |  |  |
For the year ending December 31, |  |  |  |  |  |  |
Debt instrument, stated interest rate | 6.375% |  |  |  |  |  |
Subsidiaries, Ownership Percentage |  |  | 100.00% |  |  |  |
Senior Notes | 9.00% senior notes due 2020 |  |  |  |  |  |  |
For the year ending December 31, |  |  |  |  |  |  |
Debt instrument, stated interest rate |  | 9.00% |  | 9.00% |  | 9.00% |

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- Definition 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)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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