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Long-Term Debt (Maximum Total Leverage Ratio) (Details) | Dec. 31, 2017 USD ($)
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Boyd |
Line of Credit Facility [Line Items] |
Line of Credit Facility, Covenant Terms, Maximum Consolidated Interest Coverage Ratio Required | 1.75
Minimum consolidated interest coverage ratio required | 1.00
Boyd | Four Fiscal Quarters Ended March 31, 2017 through December 31, 2017 |
Line of Credit Facility [Line Items] |
Line of Credit Facility, Covenant Terms, Minimum Total Leverage Ratio Allowed | 1.00
Maximum total leverage ratio | 7.00
Boyd | Four Fiscal Quarters Ending March 31, 2015 through December 31, 2016 |
Line of Credit Facility [Line Items] |
Line of Credit Facility, Covenant Terms, Minimum Total Leverage Ratio Allowed | 1.00
Maximum total leverage ratio | 6.25
Boyd | Four Fiscal Quarters Ended March 31, 2019 through December 31, 2019 [Member] |
Line of Credit Facility [Line Items] |
Line of Credit Facility, Covenant Terms, Minimum Total Leverage Ratio Allowed | 1.00
Maximum total leverage ratio | 6.00
Boyd | Four Fiscal Quarters Ended March 31, 2020 through December 31, 2020 [Member] |
Line of Credit Facility [Line Items] |
Line of Credit Facility, Covenant Terms, Minimum Total Leverage Ratio Allowed | 1.00
Maximum total leverage ratio | 5.75
Boyd | Four Fiscal Quarters Ended March 31, 2018 and Thereafter [Member] |
Line of Credit Facility [Line Items] |
Line of Credit Facility, Covenant Terms, Minimum Total Leverage Ratio Allowed | 1.00
Maximum total leverage ratio | 5.5
Refinancing Term B Loans [Member] |
Line of Credit Facility [Line Items] |
Line of Credit Facility, Maximum Borrowing Capacity | $ 1,264.5

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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. + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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