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Long-Term Debt (Interest and Fees - Narrative) (Details) - Boyd | 12 Months Ended
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Dec. 31, 2015
Bank Credit Facility | Federal Funds Rate |
Line of Credit Facility [Line Items] |
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum | 0.50%
Bank Credit Facility | Eurodollar |
Line of Credit Facility [Line Items] |
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum | 1.00%
Revolving Credit Facility, Swing Loan and Term Loan A | LIBOR | Minimum |
Line of Credit Facility [Line Items] |
Applicable margin | 2.00%
Revolving Credit Facility, Swing Loan and Term Loan A | LIBOR | Maximum |
Line of Credit Facility [Line Items] |
Applicable margin | 3.00%
Revolving Credit Facility, Swing Loan and Term Loan A | Base Rate | Minimum |
Line of Credit Facility [Line Items] |
Applicable margin | 1.00%
Revolving Credit Facility, Swing Loan and Term Loan A | Base Rate | Maximum |
Line of Credit Facility [Line Items] |
Applicable margin | 2.00%
Revolving Credit Facility | Bank Credit Facility | Minimum |
Line of Credit Facility [Line Items] |
Commitment fee percentage on unused portion of credit facility | 0.25%
Revolving Credit Facility | Bank Credit Facility | Maximum |
Line of Credit Facility [Line Items] |
Commitment fee percentage on unused portion of credit facility | 0.50%
Term Loan B | Base Rate |
Line of Credit Facility [Line Items] |
Applicable margin | 2.00%
Term Loan B | Eurodollar | Minimum |
Line of Credit Facility [Line Items] |
Applicable margin | 1.00%
Term Loan B | Eurodollar | Maximum |
Line of Credit Facility [Line Items] |
Applicable margin | 3.00%

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- Definition Minimum 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)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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