Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000083350-24-000013-index-headers.html | 2024-05-15 15:01:58 | |
| 0000083350-24-000013-index.html | 2024-05-15 15:01:58 | |
| 0000083350-24-000013.txt | 2024-05-15 15:01:58 | |
 0000083350-24-000013-xbrl.zip | 144438 | 2024-05-15 15:01:58 |
| FilingSummary.xml | 23492 | 2024-05-15 15:01:58 |
| Financial_Report.xlsx | 67311 | 2024-05-15 15:01:58 |
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| R1.htm | 48240 | 2024-05-15 15:01:58 |
| R10.htm | 16857 | 2024-05-15 15:01:58 |
| R11.htm | 62513 | 2024-05-15 15:01:58 |
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| R18.htm | 29595 | 2024-05-15 15:01:58 |
| R19.htm | 11132 | 2024-05-15 15:01:58 |
| R2.htm | 146996 | 2024-05-15 15:01:58 |
| R20.htm | 13105 | 2024-05-15 15:01:58 |
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| R25.htm | 6512 | 2024-05-15 15:01:58 |
| R26.htm | 15866 | 2024-05-15 15:01:58 |
| R27.htm | 15643 | 2024-05-15 15:01:58 |
| R28.htm | 134761 | 2024-05-15 15:01:58 |
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| R3.htm | 21420 | 2024-05-15 15:01:58 |
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| R31.htm | 35403 | 2024-05-15 15:01:58 |
| R32.htm | 21728 | 2024-05-15 15:01:58 |
| R33.htm | 5679 | 2024-05-15 15:01:58 |
| R34.htm | 9850 | 2024-05-15 15:01:58 |
| R35.htm | 42208 | 2024-05-15 15:01:58 |
| R36.htm | 16064 | 2024-05-15 15:01:58 |
| R37.htm | 11224 | 2024-05-15 15:01:58 |
| R38.htm | 11658 | 2024-05-15 15:01:58 |
| R4.htm | 78064 | 2024-05-15 15:01:58 |
| R5.htm | 39646 | 2024-05-15 15:01:58 |
| R6.htm | 88032 | 2024-05-15 15:01:58 |
| R7.htm | 15890 | 2024-05-15 15:01:58 |
| R8.htm | 14946 | 2024-05-15 15:01:58 |
| R9.htm | 13981 | 2024-05-15 15:01:58 |
| report.css | 2767 | 2024-05-15 15:01:58 |
| rsrv-20240331.htm | 616481 | 2024-05-15 15:01:58 |
| rsrv-20240331.xsd | 30624 | 2024-05-15 15:01:58 |
| rsrv-20240331xexx311.htm | 10491 | 2024-05-15 15:01:58 |
| rsrv-20240331xexx312.htm | 10622 | 2024-05-15 15:01:58 |
| rsrv-20240331xexx32.htm | 6188 | 2024-05-15 15:01:58 |
| rsrv-20240331_cal.xml | 60762 | 2024-05-15 15:01:58 |
| rsrv-20240331_def.xml | 140621 | 2024-05-15 15:01:58 |
 rsrv-20240331_g1.jpg | 1643 | 2024-05-15 15:01:58 |
| rsrv-20240331_htm.xml | 502951 | 2024-05-15 15:01:58 |
| rsrv-20240331_lab.xml | 429005 | 2024-05-15 15:01:58 |
| rsrv-20240331_pre.xml | 296551 | 2024-05-15 15:01:58 |
| Show.js | 1085 | 2024-05-15 15:01:58 |