Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000883237-22-000246-index-headers.html | 2022-11-08 16:44:16 | |
| 0000883237-22-000246-index.html | 2022-11-08 16:44:16 | |
| 0000883237-22-000246.txt | 2022-11-08 16:44:16 | |
 0000883237-22-000246-xbrl.zip | 575751 | 2022-11-08 16:44:16 |
| FilingSummary.xml | 42422 | 2022-11-08 16:44:16 |
| Financial_Report.xlsx | 103175 | 2022-11-08 16:44:16 |
| MetaLinks.json | 703319 | 2022-11-08 16:44:16 |
| R1.htm | 51549 | 2022-11-08 16:44:16 |
| R10.htm | 4985 | 2022-11-08 16:44:16 |
| R11.htm | 6523 | 2022-11-08 16:44:16 |
| R12.htm | 6441 | 2022-11-08 16:44:16 |
| R13.htm | 27115 | 2022-11-08 16:44:16 |
| R14.htm | 26805 | 2022-11-08 16:44:16 |
| R15.htm | 31527 | 2022-11-08 16:44:16 |
| R16.htm | 26708 | 2022-11-08 16:44:16 |
| R17.htm | 74491 | 2022-11-08 16:44:16 |
| R18.htm | 10655 | 2022-11-08 16:44:16 |
| R19.htm | 13767 | 2022-11-08 16:44:16 |
| R2.htm | 117405 | 2022-11-08 16:44:16 |
| R20.htm | 24595 | 2022-11-08 16:44:16 |
| R21.htm | 6016 | 2022-11-08 16:44:16 |
| R22.htm | 38344 | 2022-11-08 16:44:16 |
| R23.htm | 7649 | 2022-11-08 16:44:16 |
| R24.htm | 9270 | 2022-11-08 16:44:16 |
| R25.htm | 8927 | 2022-11-08 16:44:16 |
| R26.htm | 22685 | 2022-11-08 16:44:16 |
| R27.htm | 124756 | 2022-11-08 16:44:16 |
| R28.htm | 5193 | 2022-11-08 16:44:16 |
| R29.htm | 20217 | 2022-11-08 16:44:16 |
| R3.htm | 12584 | 2022-11-08 16:44:16 |
| R30.htm | 22909 | 2022-11-08 16:44:16 |
| R31.htm | 21605 | 2022-11-08 16:44:16 |
| R32.htm | 33745 | 2022-11-08 16:44:16 |
| R33.htm | 27356 | 2022-11-08 16:44:16 |
| R34.htm | 119025 | 2022-11-08 16:44:16 |
| R35.htm | 13208 | 2022-11-08 16:44:16 |
| R36.htm | 20131 | 2022-11-08 16:44:16 |
| R37.htm | 38896 | 2022-11-08 16:44:16 |
| R38.htm | 20482 | 2022-11-08 16:44:16 |
| R39.htm | 171034 | 2022-11-08 16:44:16 |
| R4.htm | 110819 | 2022-11-08 16:44:16 |
| R40.htm | 19366 | 2022-11-08 16:44:16 |
| R41.htm | 42671 | 2022-11-08 16:44:16 |
| R42.htm | 25767 | 2022-11-08 16:44:16 |
| R43.htm | 14977 | 2022-11-08 16:44:16 |
| R44.htm | 31066 | 2022-11-08 16:44:16 |
| R45.htm | 17060 | 2022-11-08 16:44:16 |
| R46.htm | 15554 | 2022-11-08 16:44:16 |
| R47.htm | 11118 | 2022-11-08 16:44:16 |
| R48.htm | 4441 | 2022-11-08 16:44:16 |
| R49.htm | 45558 | 2022-11-08 16:44:16 |
| R5.htm | 35890 | 2022-11-08 16:44:16 |
| R50.htm | 14532 | 2022-11-08 16:44:16 |
| R51.htm | 16443 | 2022-11-08 16:44:16 |
| R52.htm | 24778 | 2022-11-08 16:44:16 |
| R53.htm | 32544 | 2022-11-08 16:44:16 |
| R54.htm | 4870 | 2022-11-08 16:44:16 |
| R55.htm | 25285 | 2022-11-08 16:44:16 |
| R56.htm | 5684 | 2022-11-08 16:44:16 |
| R57.htm | 46782 | 2022-11-08 16:44:16 |
| R58.htm | 8206 | 2022-11-08 16:44:16 |
| R59.htm | 4404 | 2022-11-08 16:44:16 |
| R6.htm | 5965 | 2022-11-08 16:44:16 |
| R60.htm | 21225 | 2022-11-08 16:44:16 |
| R61.htm | 7159 | 2022-11-08 16:44:16 |
| R62.htm | 30934 | 2022-11-08 16:44:16 |
| R63.htm | 34508 | 2022-11-08 16:44:16 |
| R64.htm | 36027 | 2022-11-08 16:44:16 |
| R65.htm | 9004 | 2022-11-08 16:44:16 |
| R66.htm | 36666 | 2022-11-08 16:44:16 |
| R67.htm | 9626 | 2022-11-08 16:44:16 |
| R68.htm | 47105 | 2022-11-08 16:44:16 |
| R69.htm | 22323 | 2022-11-08 16:44:16 |
| R7.htm | 128571 | 2022-11-08 16:44:16 |
| R70.htm | 7455 | 2022-11-08 16:44:16 |
| R8.htm | 4319 | 2022-11-08 16:44:16 |
| R9.htm | 99338 | 2022-11-08 16:44:16 |
| report.css | 2767 | 2022-11-08 16:44:16 |
| Show.js | 1085 | 2022-11-08 16:44:16 |
| vrts-20220930.htm | 2167068 | 2022-11-08 16:44:16 |
| vrts-20220930.xsd | 51217 | 2022-11-08 16:44:16 |
| vrts-20220930_cal.xml | 94162 | 2022-11-08 16:44:16 |
| vrts-20220930_def.xml | 327197 | 2022-11-08 16:44:16 |
 vrts-20220930_g1.jpg | 355079 | 2022-11-08 16:44:16 |
| vrts-20220930_htm.xml | 1532630 | 2022-11-08 16:44:16 |
| vrts-20220930_lab.xml | 642012 | 2022-11-08 16:44:16 |
| vrts-20220930_pre.xml | 454985 | 2022-11-08 16:44:16 |
| vrts09302022ex-311.htm | 8780 | 2022-11-08 16:44:16 |
| vrts09302022ex-312.htm | 8674 | 2022-11-08 16:44:16 |
| vrts09302022ex-321.htm | 7761 | 2022-11-08 16:44:16 |