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Document And Entity Information
Oct. 22, 2019
Document Information [Line Items]  
Entity Registrant Name Boyd Gaming Corporation
Document Type 8-K
Document Period End Date Oct. 22, 2019
Entity Incorporation, State or Country Code NV
Entity File Number 001-12882
Entity Tax Identification Number 88-0242733
Entity Address, Address Line One 3883 Howard Hughes Parkway
Entity Address, City or Town Las Vegas
Entity Address, State or Province NV
Entity Address, Postal Zip Code 89169
City Area Code 702
Local Phone Number 792-7200
Title of 12(b) Security Common stock
Trading Symbol BYD
Security Exchange Name NYSE
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Amendment Flag false
Entity Central Index Key 0000906553