Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001670076-24-000021-index-headers.html | 2024-02-20 16:07:34 | |
| 0001670076-24-000021-index.html | 2024-02-20 16:07:34 | |
| 0001670076-24-000021.txt | 2024-02-20 16:07:34 | |
 0001670076-24-000021-xbrl.zip | 858896 | 2024-02-20 16:07:34 |
| ex211listofsubsidiariesq423.htm | 4145 | 2024-02-20 16:07:34 |
| ex231consentofindependentr.htm | 3180 | 2024-02-20 16:07:34 |
| ex311q423.htm | 8772 | 2024-02-20 16:07:34 |
| ex312q423.htm | 8826 | 2024-02-20 16:07:34 |
| ex321q423.htm | 5262 | 2024-02-20 16:07:34 |
| ex322q423.htm | 5227 | 2024-02-20 16:07:34 |
| FilingSummary.xml | 60760 | 2024-02-20 16:07:34 |
| Financial_Report.xlsx | 153132 | 2024-02-20 16:07:34 |
| fron-20231231.htm | 2401576 | 2024-02-20 16:07:34 |
| fron-20231231.xsd | 93839 | 2024-02-20 16:07:34 |
| fron-20231231_cal.xml | 118729 | 2024-02-20 16:07:34 |
| fron-20231231_def.xml | 369844 | 2024-02-20 16:07:34 |
 fron-20231231_g1.jpg | 92971 | 2024-02-20 16:07:34 |
 fron-20231231_g2.jpg | 258354 | 2024-02-20 16:07:34 |
 fron-20231231_g3.jpg | 100821 | 2024-02-20 16:07:34 |
| fron-20231231_htm.xml | 1398001 | 2024-02-20 16:07:34 |
| fron-20231231_lab.xml | 1032729 | 2024-02-20 16:07:34 |
| fron-20231231_pre.xml | 668335 | 2024-02-20 16:07:34 |
| frontier-ex1010employmen.htm | 1877 | 2024-02-20 16:07:34 |
 frontier-ex1010employmen001.jpg | 233072 | 2024-02-20 16:07:34 |
 frontier-ex1010employmen002.jpg | 289798 | 2024-02-20 16:07:34 |
 frontier-ex1010employmen003.jpg | 291235 | 2024-02-20 16:07:34 |
 frontier-ex1010employmen004.jpg | 253667 | 2024-02-20 16:07:34 |
 frontier-ex1010employmen005.jpg | 54956 | 2024-02-20 16:07:34 |
| frontier-ex102dformofres.htm | 27487 | 2024-02-20 16:07:34 |
 frontier-ex102dformofres001.jpg | 241801 | 2024-02-20 16:07:34 |
 frontier-ex102dformofres002.jpg | 240341 | 2024-02-20 16:07:34 |
 frontier-ex102dformofres003.jpg | 245817 | 2024-02-20 16:07:34 |
 frontier-ex102dformofres004.jpg | 285578 | 2024-02-20 16:07:34 |
 frontier-ex102dformofres005.jpg | 247730 | 2024-02-20 16:07:34 |
 frontier-ex102dformofres006.jpg | 279252 | 2024-02-20 16:07:34 |
 frontier-ex102dformofres007.jpg | 192488 | 2024-02-20 16:07:34 |
| frontier-ex1040xfifthare.htm | 31297 | 2024-02-20 16:07:34 |
 frontier-ex1040xfifthare001.jpg | 253780 | 2024-02-20 16:07:34 |
 frontier-ex1040xfifthare002.jpg | 269067 | 2024-02-20 16:07:34 |
 frontier-ex1040xfifthare003.jpg | 252707 | 2024-02-20 16:07:34 |
 frontier-ex1040xfifthare004.jpg | 234288 | 2024-02-20 16:07:34 |
 frontier-ex1040xfifthare005.jpg | 280149 | 2024-02-20 16:07:34 |
 frontier-ex1040xfifthare006.jpg | 255917 | 2024-02-20 16:07:34 |
 frontier-ex1040xfifthare007.jpg | 254769 | 2024-02-20 16:07:34 |
 frontier-ex1040xfifthare008.jpg | 216067 | 2024-02-20 16:07:34 |
 frontier-ex1040xfifthare009.jpg | 113677 | 2024-02-20 16:07:34 |
 frontier-ex1040xfifthare010.jpg | 74966 | 2024-02-20 16:07:34 |
 frontier-ex1040xfifthare011.jpg | 27300 | 2024-02-20 16:07:34 |
 frontier-ex1040xfifthare012.jpg | 28786 | 2024-02-20 16:07:34 |
 frontier-ex1040xfifthare013.jpg | 27398 | 2024-02-20 16:07:34 |
| frontier-ex106bamendment.htm | 14327 | 2024-02-20 16:07:34 |
 frontier-ex106bamendment001.jpg | 216389 | 2024-02-20 16:07:34 |
 frontier-ex106bamendment002.jpg | 281690 | 2024-02-20 16:07:34 |
 frontier-ex106bamendment003.jpg | 270697 | 2024-02-20 16:07:34 |
 frontier-ex106bamendment004.jpg | 174237 | 2024-02-20 16:07:34 |
 frontier-ex106bamendment005.jpg | 49224 | 2024-02-20 16:07:34 |
| frontier-ex107employment.htm | 15792 | 2024-02-20 16:07:34 |
 frontier-ex107employment001.jpg | 251963 | 2024-02-20 16:07:34 |
 frontier-ex107employment002.jpg | 266304 | 2024-02-20 16:07:34 |
 frontier-ex107employment003.jpg | 278863 | 2024-02-20 16:07:34 |
 frontier-ex107employment004.jpg | 242609 | 2024-02-20 16:07:34 |
 frontier-ex107employment005.jpg | 47969 | 2024-02-20 16:07:34 |
| frontier-ex191insidertra.htm | 25068 | 2024-02-20 16:07:34 |
 frontier-ex191insidertra001.jpg | 257582 | 2024-02-20 16:07:34 |
 frontier-ex191insidertra002.jpg | 248283 | 2024-02-20 16:07:34 |
 frontier-ex191insidertra003.jpg | 216881 | 2024-02-20 16:07:34 |
 frontier-ex191insidertra004.jpg | 257250 | 2024-02-20 16:07:34 |
 frontier-ex191insidertra005.jpg | 192023 | 2024-02-20 16:07:34 |
 frontier-ex191insidertra006.jpg | 220212 | 2024-02-20 16:07:34 |
 frontier-ex191insidertra007.jpg | 210473 | 2024-02-20 16:07:34 |
 frontier-ex191insidertra008.jpg | 238330 | 2024-02-20 16:07:34 |
 frontier-ex191insidertra009.jpg | 50863 | 2024-02-20 16:07:34 |
| frontier-ex971policyforr.htm | 13654 | 2024-02-20 16:07:34 |
 frontier-ex971policyforr001.jpg | 231346 | 2024-02-20 16:07:34 |
 frontier-ex971policyforr002.jpg | 253139 | 2024-02-20 16:07:34 |
 frontier-ex971policyforr003.jpg | 216314 | 2024-02-20 16:07:34 |
 frontier-ex971policyforr004.jpg | 257167 | 2024-02-20 16:07:34 |
| MetaLinks.json | 1155737 | 2024-02-20 16:07:34 |
| R1.htm | 65008 | 2024-02-20 16:07:34 |
| R10.htm | 72603 | 2024-02-20 16:07:34 |
| R100.htm | 15802 | 2024-02-20 16:07:34 |
| R11.htm | 36974 | 2024-02-20 16:07:34 |
| R12.htm | 14463 | 2024-02-20 16:07:34 |
| R13.htm | 13130 | 2024-02-20 16:07:34 |
| R14.htm | 30616 | 2024-02-20 16:07:34 |
| R15.htm | 22480 | 2024-02-20 16:07:34 |
| R16.htm | 15700 | 2024-02-20 16:07:34 |
| R17.htm | 36887 | 2024-02-20 16:07:34 |
| R18.htm | 51221 | 2024-02-20 16:07:34 |
| R19.htm | 51224 | 2024-02-20 16:07:34 |
| R2.htm | 7803 | 2024-02-20 16:07:34 |
| R20.htm | 11169 | 2024-02-20 16:07:34 |
| R21.htm | 52461 | 2024-02-20 16:07:34 |
| R22.htm | 11139 | 2024-02-20 16:07:34 |
| R23.htm | 33428 | 2024-02-20 16:07:34 |
| R24.htm | 86470 | 2024-02-20 16:07:34 |
| R25.htm | 46105 | 2024-02-20 16:07:34 |
| R26.htm | 9771 | 2024-02-20 16:07:34 |
| R27.htm | 7584 | 2024-02-20 16:07:34 |
| R28.htm | 15206 | 2024-02-20 16:07:34 |
| R29.htm | 31658 | 2024-02-20 16:07:34 |
| R3.htm | 102949 | 2024-02-20 16:07:34 |
| R30.htm | 100803 | 2024-02-20 16:07:34 |
| R31.htm | 28785 | 2024-02-20 16:07:34 |
| R32.htm | 34006 | 2024-02-20 16:07:34 |
| R33.htm | 14530 | 2024-02-20 16:07:34 |
| R34.htm | 28760 | 2024-02-20 16:07:34 |
| R35.htm | 59444 | 2024-02-20 16:07:34 |
| R36.htm | 21432 | 2024-02-20 16:07:34 |
| R37.htm | 15441 | 2024-02-20 16:07:34 |
| R38.htm | 33567 | 2024-02-20 16:07:34 |
| R39.htm | 41541 | 2024-02-20 16:07:34 |
| R4.htm | 9897 | 2024-02-20 16:07:34 |
| R40.htm | 43264 | 2024-02-20 16:07:34 |
| R41.htm | 50443 | 2024-02-20 16:07:34 |
| R42.htm | 31587 | 2024-02-20 16:07:34 |
| R43.htm | 84167 | 2024-02-20 16:07:34 |
| R44.htm | 41801 | 2024-02-20 16:07:34 |
| R45.htm | 5877 | 2024-02-20 16:07:34 |
| R46.htm | 14340 | 2024-02-20 16:07:34 |
| R47.htm | 5286 | 2024-02-20 16:07:34 |
| R48.htm | 5700 | 2024-02-20 16:07:34 |
| R49.htm | 4431 | 2024-02-20 16:07:34 |
| R5.htm | 81700 | 2024-02-20 16:07:34 |
| R50.htm | 43655 | 2024-02-20 16:07:34 |
| R51.htm | 15244 | 2024-02-20 16:07:34 |
| R52.htm | 4102 | 2024-02-20 16:07:34 |
| R53.htm | 4535 | 2024-02-20 16:07:34 |
| R54.htm | 13847 | 2024-02-20 16:07:34 |
| R55.htm | 17184 | 2024-02-20 16:07:34 |
| R56.htm | 8282 | 2024-02-20 16:07:34 |
| R57.htm | 26850 | 2024-02-20 16:07:34 |
| R58.htm | 14372 | 2024-02-20 16:07:34 |
| R59.htm | 16736 | 2024-02-20 16:07:34 |
| R6.htm | 25686 | 2024-02-20 16:07:34 |
| R60.htm | 14756 | 2024-02-20 16:07:34 |
| R61.htm | 9903 | 2024-02-20 16:07:34 |
| R62.htm | 21507 | 2024-02-20 16:07:34 |
| R63.htm | 15034 | 2024-02-20 16:07:34 |
| R64.htm | 18752 | 2024-02-20 16:07:34 |
| R65.htm | 6425 | 2024-02-20 16:07:34 |
| R66.htm | 12204 | 2024-02-20 16:07:34 |
| R67.htm | 16635 | 2024-02-20 16:07:34 |
| R68.htm | 62229 | 2024-02-20 16:07:34 |
| R69.htm | 4671 | 2024-02-20 16:07:34 |
| R7.htm | 4930 | 2024-02-20 16:07:34 |
| R70.htm | 22050 | 2024-02-20 16:07:34 |
| R71.htm | 48312 | 2024-02-20 16:07:34 |
| R72.htm | 32739 | 2024-02-20 16:07:34 |
| R73.htm | 10554 | 2024-02-20 16:07:34 |
| R74.htm | 8749 | 2024-02-20 16:07:34 |
| R75.htm | 12520 | 2024-02-20 16:07:34 |
| R76.htm | 17591 | 2024-02-20 16:07:34 |
| R77.htm | 9067 | 2024-02-20 16:07:34 |
| R78.htm | 24459 | 2024-02-20 16:07:34 |
| R79.htm | 9503 | 2024-02-20 16:07:34 |
| R8.htm | 82805 | 2024-02-20 16:07:34 |
| R80.htm | 19111 | 2024-02-20 16:07:34 |
| R81.htm | 72552 | 2024-02-20 16:07:34 |
| R82.htm | 38998 | 2024-02-20 16:07:34 |
| R83.htm | 34315 | 2024-02-20 16:07:34 |
| R84.htm | 15977 | 2024-02-20 16:07:34 |
| R85.htm | 34372 | 2024-02-20 16:07:34 |
| R86.htm | 26273 | 2024-02-20 16:07:34 |
| R87.htm | 31622 | 2024-02-20 16:07:34 |
| R88.htm | 24753 | 2024-02-20 16:07:34 |
| R89.htm | 32472 | 2024-02-20 16:07:34 |
| R9.htm | 74133 | 2024-02-20 16:07:34 |
| R90.htm | 51529 | 2024-02-20 16:07:34 |
| R91.htm | 27583 | 2024-02-20 16:07:34 |
| R92.htm | 33207 | 2024-02-20 16:07:34 |
| R93.htm | 23700 | 2024-02-20 16:07:34 |
| R94.htm | 37530 | 2024-02-20 16:07:34 |
| R95.htm | 9707 | 2024-02-20 16:07:34 |
| R96.htm | 5283 | 2024-02-20 16:07:34 |
| R97.htm | 24924 | 2024-02-20 16:07:34 |
| R98.htm | 24750 | 2024-02-20 16:07:34 |
| R99.htm | 17809 | 2024-02-20 16:07:34 |
| report.css | 2768 | 2024-02-20 16:07:34 |
| Show.js | 1086 | 2024-02-20 16:07:34 |