3.26.1 html 78 29 1 false 10 0 false 1 false false R1.htm 995100 - Document - Cover Sheet http://xbrl.sec.gov/dei/role/document/Cover Cover Cover 1 false false R2.htm 995410 - Disclosure - Pay vs Performance Disclosure Sheet http://xbrl.sec.gov/ecd/role/PvpDisclosure Pay vs Performance Disclosure Notes 2 false false R3.htm 995443 - Disclosure - Award Timing Disclosure Sheet http://xbrl.sec.gov/ecd/role/AwardTimingDisclosure Award Timing Disclosure Notes 3 false false All Reports Book All Reports byd-20251231.xsd d917131ddef14a.htm g917131g00e01.jpg g917131g01c01.jpg g917131g01c50.jpg g917131g05b05.jpg g917131g10e02.jpg g917131g11a01.jpg g917131g11a02.jpg g917131g11a03.jpg g917131g11a04.jpg g917131g11a05.jpg g917131g11a06.jpg g917131g11a07.jpg g917131g11a08.jpg g917131g18u32.jpg g917131g22s22.jpg g917131g22w01.jpg g917131g22w02.jpg g917131g23n76.jpg g917131g23o60.jpg g917131g23p82.jpg g917131g23p87.jpg g917131g23x85.jpg g917131g34g34.jpg g917131g36g01.jpg g917131g44m01.jpg g917131g47v13.jpg g917131g49j85.jpg g917131g55m02.jpg g917131g85m19.jpg g917131g85n56.jpg g917131g92b67.jpg g917131sp1.jpg http://fasb.org/us-gaap/2025 http://xbrl.sec.gov/dei/2025 http://xbrl.sec.gov/ecd/2025 false false