Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000883237-22-000183-index-headers.html | 2022-05-10 17:16:00 | |
| 0000883237-22-000183-index.html | 2022-05-10 17:16:00 | |
| 0000883237-22-000183.txt | 2022-05-10 17:16:00 | |
 0000883237-22-000183-xbrl.zip | 542661 | 2022-05-10 17:16:00 |
| FilingSummary.xml | 40176 | 2022-05-10 17:16:00 |
| Financial_Report.xlsx | 88437 | 2022-05-10 17:16:00 |
| MetaLinks.json | 669399 | 2022-05-10 17:16:00 |
| R1.htm | 52343 | 2022-05-10 17:16:00 |
| R10.htm | 4709 | 2022-05-10 17:16:00 |
| R11.htm | 6551 | 2022-05-10 17:16:00 |
| R12.htm | 6464 | 2022-05-10 17:16:00 |
| R13.htm | 22232 | 2022-05-10 17:16:00 |
| R14.htm | 26323 | 2022-05-10 17:16:00 |
| R15.htm | 31543 | 2022-05-10 17:16:00 |
| R16.htm | 26547 | 2022-05-10 17:16:00 |
| R17.htm | 67585 | 2022-05-10 17:16:00 |
| R18.htm | 10287 | 2022-05-10 17:16:00 |
| R19.htm | 13788 | 2022-05-10 17:16:00 |
| R2.htm | 118459 | 2022-05-10 17:16:00 |
| R20.htm | 20770 | 2022-05-10 17:16:00 |
| R21.htm | 27235 | 2022-05-10 17:16:00 |
| R22.htm | 7680 | 2022-05-10 17:16:00 |
| R23.htm | 9283 | 2022-05-10 17:16:00 |
| R24.htm | 8943 | 2022-05-10 17:16:00 |
| R25.htm | 21202 | 2022-05-10 17:16:00 |
| R26.htm | 125874 | 2022-05-10 17:16:00 |
| R27.htm | 20282 | 2022-05-10 17:16:00 |
| R28.htm | 18032 | 2022-05-10 17:16:00 |
| R29.htm | 21656 | 2022-05-10 17:16:00 |
| R3.htm | 13135 | 2022-05-10 17:16:00 |
| R30.htm | 33787 | 2022-05-10 17:16:00 |
| R31.htm | 27402 | 2022-05-10 17:16:00 |
| R32.htm | 112141 | 2022-05-10 17:16:00 |
| R33.htm | 13230 | 2022-05-10 17:16:00 |
| R34.htm | 18121 | 2022-05-10 17:16:00 |
| R35.htm | 28029 | 2022-05-10 17:16:00 |
| R36.htm | 19002 | 2022-05-10 17:16:00 |
| R37.htm | 170805 | 2022-05-10 17:16:00 |
| R38.htm | 19899 | 2022-05-10 17:16:00 |
| R39.htm | 39036 | 2022-05-10 17:16:00 |
| R4.htm | 101521 | 2022-05-10 17:16:00 |
| R40.htm | 25104 | 2022-05-10 17:16:00 |
| R41.htm | 15152 | 2022-05-10 17:16:00 |
| R42.htm | 29965 | 2022-05-10 17:16:00 |
| R43.htm | 17243 | 2022-05-10 17:16:00 |
| R44.htm | 15104 | 2022-05-10 17:16:00 |
| R45.htm | 10658 | 2022-05-10 17:16:00 |
| R46.htm | 4168 | 2022-05-10 17:16:00 |
| R47.htm | 45643 | 2022-05-10 17:16:00 |
| R48.htm | 11800 | 2022-05-10 17:16:00 |
| R49.htm | 13581 | 2022-05-10 17:16:00 |
| R5.htm | 35095 | 2022-05-10 17:16:00 |
| R50.htm | 23777 | 2022-05-10 17:16:00 |
| R51.htm | 32907 | 2022-05-10 17:16:00 |
| R52.htm | 5189 | 2022-05-10 17:16:00 |
| R53.htm | 25169 | 2022-05-10 17:16:00 |
| R54.htm | 45656 | 2022-05-10 17:16:00 |
| R55.htm | 7725 | 2022-05-10 17:16:00 |
| R56.htm | 4437 | 2022-05-10 17:16:00 |
| R57.htm | 21476 | 2022-05-10 17:16:00 |
| R58.htm | 7225 | 2022-05-10 17:16:00 |
| R59.htm | 25335 | 2022-05-10 17:16:00 |
| R6.htm | 5690 | 2022-05-10 17:16:00 |
| R60.htm | 32278 | 2022-05-10 17:16:00 |
| R61.htm | 36414 | 2022-05-10 17:16:00 |
| R62.htm | 9083 | 2022-05-10 17:16:00 |
| R63.htm | 35535 | 2022-05-10 17:16:00 |
| R64.htm | 9714 | 2022-05-10 17:16:00 |
| R65.htm | 47903 | 2022-05-10 17:16:00 |
| R66.htm | 22542 | 2022-05-10 17:16:00 |
| R7.htm | 118985 | 2022-05-10 17:16:00 |
| R8.htm | 4352 | 2022-05-10 17:16:00 |
| R9.htm | 68030 | 2022-05-10 17:16:00 |
| report.css | 2767 | 2022-05-10 17:16:00 |
| Show.js | 1085 | 2022-05-10 17:16:00 |
| vrts-20220331.htm | 1692701 | 2022-05-10 17:16:00 |
| vrts-20220331.xsd | 47597 | 2022-05-10 17:16:00 |
| vrts-20220331_cal.xml | 90633 | 2022-05-10 17:16:00 |
| vrts-20220331_def.xml | 315927 | 2022-05-10 17:16:00 |
 vrts-20220331_g1.jpg | 355079 | 2022-05-10 17:16:00 |
| vrts-20220331_htm.xml | 1290287 | 2022-05-10 17:16:00 |
| vrts-20220331_lab.xml | 612263 | 2022-05-10 17:16:00 |
| vrts-20220331_pre.xml | 439222 | 2022-05-10 17:16:00 |
| vrts03312022ex-311.htm | 8776 | 2022-05-10 17:16:00 |
| vrts03312022ex-312.htm | 8670 | 2022-05-10 17:16:00 |
| vrts03312022ex-321.htm | 7753 | 2022-05-10 17:16:00 |