XML 66 R50.htm IDEA: XBRL DOCUMENT
v3.22.4

Note 4 - Intangible Assets (Details Textual) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2022 | Sep. 30, 2022 | Mar. 31, 2020 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Customer Relationships [Member] |  |  |  |  |  |
Finite-Lived Intangible Asset, Original Life (Year) |  |  |  | 5 years |  |
Customer Relationships [Member] | Minimum [Member] |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  |  |  | 7 years |  |
Customer Relationships [Member] | Maximum [Member] |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  |  |  | 12 years |  |
Host Relationships [Member] |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  |  |  | 15 years |  |
Development Agreement [Member] |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  |  |  | 7 years |  |
Developed Technology Rights [Member] |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  |  |  | 10 years |  |
Business to Business Relationships [Member] | Minimum [Member] |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  |  |  | 7 years |  |
Business to Business Relationships [Member] | Maximum [Member] |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  |  |  | 10 years |  |
Business to Consumer Relationship [Member] |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) |  |  |  | 12 years |  |
Trademarks [Member] |  |  |  |  |  |
Impairment of Intangible Assets, Indefinite-Lived (Excluding Goodwill) |  |  | $ 16.9 |  |  | $ 3.6
Trademarks [Member] | Midwest and South [Member] |  |  |  |  |  |
Impairment of Intangible Assets, Indefinite-Lived (Excluding Goodwill) | $ 3.6 | $ 5.6 | 8.9 |  |  | 1.1
Trademarks [Member] | Las Vegas Locals [Member] |  |  |  |  |  |
Impairment of Intangible Assets, Indefinite-Lived (Excluding Goodwill) |  |  | 8.0 |  | $ 2.4 | $ 2.5
Licensing Agreements [Member] |  |  |  |  |  |
Impairment of Intangible Assets, Indefinite-Lived (Excluding Goodwill) |  |  | $ 42.2 |  |  |

X
- Definition The original life of finite-lived intangible assets. + References No definition available. + Details
Name: | byd_FinitelivedIntangibleAssetOriginalLife
Namespace Prefix: | byd_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 + Details
Name: | us-gaap_ImpairmentOfIntangibleAssetsIndefinitelivedExcludingGoodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CustomerRelationshipsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=byd_HostRelationshipsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=byd_DevelopmentAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_DevelopedTechnologyRightsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=byd_BusinessToBusinessRelationshipsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=byd_BusinessToConsumerRelationshipMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_TrademarksMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=byd_MidwestAndSouthMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=byd_LasVegasLocalsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_LicensingAgreementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |