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Note 14 - Segment Information - Reconciliation of Capital Expenditures (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Capital expenditures | $ 271,677 | $ 202,625 | $ 174,786
Change in Accrued Capital Expenditure Additions | (2,522) | (3,173) | 244
Cash-Based Capital Expenditures | 269,155 | 199,452 | 175,030
Las Vegas Locals [Member] |  |  |
Capital expenditures | 37,339 | 24,724 | 23,936
Downtown Las Vegas [Member] |  |  |
Capital expenditures | 52,423 | 36,954 | 15,150
Midwest and South [Member] |  |  |
Capital expenditures | 114,041 | 90,994 | 68,933
Total Reportable Segment [Member] |  |  |
Capital expenditures | 203,803 | 152,672 | 108,019
Corporate Segment [Member] |  |  |
Capital expenditures | $ 67,874 | $ 49,953 | $ 66,767

X
- Definition The amount of capital expenditures. + References No definition available. + Details
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Namespace Prefix: | byd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of cash based capital expenditures. + References No definition available. + Details
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Namespace Prefix: | byd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of increase (decrease) in accrued capital expenditure additions. + References No definition available. + Details
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Namespace Prefix: | byd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
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X
- Details
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X
- Details
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X
- Details
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X
- Details
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