Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000912752-21-000039-index-headers.html | 2021-05-10 16:49:11 | |
| 0000912752-21-000039-index.html | 2021-05-10 16:49:11 | |
| 0000912752-21-000039.txt | 2021-05-10 16:49:11 | |
 0000912752-21-000039-xbrl.zip | 426823 | 2021-05-10 16:49:11 |
| a2021q110-qexhibit311.htm | 16196 | 2021-05-10 16:49:11 |
| a2021q110-qexhibit312.htm | 16146 | 2021-05-10 16:49:11 |
| a2021q110-qexhibit321.htm | 5922 | 2021-05-10 16:49:11 |
| a2021q110-qexhibit322.htm | 5916 | 2021-05-10 16:49:11 |
| FilingSummary.xml | 42125 | 2021-05-10 16:49:11 |
| Financial_Report.xlsx | 117621 | 2021-05-10 16:49:11 |
| formsarsagreement2021v2.htm | 30895 | 2021-05-10 16:49:11 |
| MetaLinks.json | 736776 | 2021-05-10 16:49:11 |
| R1.htm | 56153 | 2021-05-10 16:49:11 |
| R10.htm | 8427 | 2021-05-10 16:49:11 |
| R11.htm | 17811 | 2021-05-10 16:49:11 |
| R12.htm | 13560 | 2021-05-10 16:49:11 |
| R13.htm | 7858 | 2021-05-10 16:49:11 |
| R14.htm | 22089 | 2021-05-10 16:49:11 |
| R15.htm | 24252 | 2021-05-10 16:49:11 |
| R16.htm | 69414 | 2021-05-10 16:49:11 |
| R17.htm | 37708 | 2021-05-10 16:49:11 |
| R18.htm | 21212 | 2021-05-10 16:49:11 |
| R19.htm | 62789 | 2021-05-10 16:49:11 |
| R2.htm | 125737 | 2021-05-10 16:49:11 |
| R20.htm | 423978 | 2021-05-10 16:49:11 |
| R21.htm | 52555 | 2021-05-10 16:49:11 |
| R22.htm | 38328 | 2021-05-10 16:49:11 |
| R23.htm | 12138 | 2021-05-10 16:49:11 |
| R24.htm | 10089 | 2021-05-10 16:49:11 |
| R25.htm | 26042 | 2021-05-10 16:49:11 |
| R26.htm | 65056 | 2021-05-10 16:49:11 |
| R27.htm | 34474 | 2021-05-10 16:49:11 |
| R28.htm | 61936 | 2021-05-10 16:49:11 |
| R29.htm | 423476 | 2021-05-10 16:49:11 |
| R3.htm | 30427 | 2021-05-10 16:49:11 |
| R30.htm | 9542 | 2021-05-10 16:49:11 |
| R31.htm | 12452 | 2021-05-10 16:49:11 |
| R32.htm | 7360 | 2021-05-10 16:49:11 |
| R33.htm | 36061 | 2021-05-10 16:49:11 |
| R34.htm | 45971 | 2021-05-10 16:49:11 |
| R35.htm | 6439 | 2021-05-10 16:49:11 |
| R36.htm | 6281 | 2021-05-10 16:49:11 |
| R37.htm | 5945 | 2021-05-10 16:49:11 |
| R38.htm | 22970 | 2021-05-10 16:49:11 |
| R39.htm | 12573 | 2021-05-10 16:49:11 |
| R4.htm | 96006 | 2021-05-10 16:49:11 |
| R40.htm | 52955 | 2021-05-10 16:49:11 |
| R41.htm | 21968 | 2021-05-10 16:49:11 |
| R42.htm | 16511 | 2021-05-10 16:49:11 |
| R43.htm | 18156 | 2021-05-10 16:49:11 |
| R44.htm | 18163 | 2021-05-10 16:49:11 |
| R45.htm | 15676 | 2021-05-10 16:49:11 |
| R46.htm | 51990 | 2021-05-10 16:49:11 |
| R47.htm | 29077 | 2021-05-10 16:49:11 |
| R48.htm | 4870 | 2021-05-10 16:49:11 |
| R49.htm | 8078 | 2021-05-10 16:49:11 |
| R5.htm | 23211 | 2021-05-10 16:49:11 |
| R50.htm | 64525 | 2021-05-10 16:49:11 |
| R51.htm | 23533 | 2021-05-10 16:49:11 |
| R52.htm | 58691 | 2021-05-10 16:49:11 |
| R53.htm | 11683 | 2021-05-10 16:49:11 |
| R54.htm | 52717 | 2021-05-10 16:49:11 |
| R55.htm | 8059 | 2021-05-10 16:49:11 |
| R56.htm | 7161 | 2021-05-10 16:49:11 |
| R57.htm | 17179 | 2021-05-10 16:49:11 |
| R58.htm | 9481 | 2021-05-10 16:49:11 |
| R59.htm | 17717 | 2021-05-10 16:49:11 |
| R6.htm | 82651 | 2021-05-10 16:49:11 |
| R60.htm | 108044 | 2021-05-10 16:49:11 |
| R61.htm | 7817 | 2021-05-10 16:49:11 |
| R62.htm | 22399 | 2021-05-10 16:49:11 |
| R63.htm | 130527 | 2021-05-10 16:49:11 |
| R64.htm | 91883 | 2021-05-10 16:49:11 |
| R65.htm | 104285 | 2021-05-10 16:49:11 |
| R7.htm | 8318 | 2021-05-10 16:49:11 |
| R8.htm | 99811 | 2021-05-10 16:49:11 |
| R9.htm | 75012 | 2021-05-10 16:49:11 |
| report.css | 2767 | 2021-05-10 16:49:11 |
| restrictedstockaward-execu.htm | 36962 | 2021-05-10 16:49:11 |
| sbgi-20210331.htm | 2578694 | 2021-05-10 16:49:11 |
| sbgi-20210331.xsd | 72423 | 2021-05-10 16:49:11 |
| sbgi-20210331_cal.xml | 112765 | 2021-05-10 16:49:11 |
| sbgi-20210331_def.xml | 513652 | 2021-05-10 16:49:11 |
| sbgi-20210331_htm.xml | 2609803 | 2021-05-10 16:49:11 |
| sbgi-20210331_lab.xml | 745317 | 2021-05-10 16:49:11 |
| sbgi-20210331_pre.xml | 602192 | 2021-05-10 16:49:11 |
| Show.js | 1085 | 2021-05-10 16:49:11 |
| weisbordagreement2finalcle.htm | 171626 | 2021-05-10 16:49:11 |