XML 33 R21.htm IDEA: XBRL DOCUMENT
v3.25.3

Note 1 - Summary of Significant Accounting Policies (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2025
Notes Tables |
Schedule of Cash and Cash Equivalents and Restricted Cash [Table Text Block] |
|  | September 30, |  |  | December 31, |  |  | September 30, |  |  | December 31, |
(In thousands) |  | 2025 |  |  | 2024 |  |  | 2024 |  |  | 2023 |
Cash and cash equivalents |  | $ | 319,067 |  |  | $ | 316,688 |  |  | $ | 286,281 |  |  | $ | 304,271 |
Restricted cash |  |  | 4,899 |  |  |  | 4,676 |  |  |  | 3,928 |  |  |  | 3,659 |
Total cash, cash equivalents and restricted cash |  | $ | 323,966 |  |  | $ | 321,364 |  |  | $ | 290,209 |  |  | $ | 307,930 |
Schedule Of Promotional Allowances [Table Text Block] |
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, |  |  | September 30, |
(In thousands) |  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
Food & beverage |  | $ | 34,610 |  |  | $ | 31,621 |  |  | $ | 100,923 |  |  | $ | 94,074 |
Room |  |  | 16,810 |  |  |  | 16,084 |  |  |  | 48,099 |  |  |  | 46,424 |
Other |  |  | 2,554 |  |  |  | 2,076 |  |  |  | 6,541 |  |  |  | 6,449 |

X
- Definition Tabular disclosure of cash, cash equivalents, and restricted cash. + References No definition available. + Details
Name: | byd_ScheduleOfCashAndCashEquivalentsAndRestrictedCashTableTextBlock
Namespace Prefix: | byd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of allowances made for promotions and free giveaways to customers. + References No definition available. + Details
Name: | byd_ScheduleOfPromotionalAllowancesTableTextBlock
Namespace Prefix: | byd_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_TableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration