Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000930810-16-000013-index-headers.html | 2016-03-22 18:31:25 | |
| 0000930810-16-000013-index.html | 2016-03-22 18:31:25 | |
| 0000930810-16-000013.txt | 2016-03-22 18:31:25 | |
 0000930810-16-000013-xbrl.zip | 370538 | 2016-03-22 18:31:25 |
| FilingSummary.xml | 39558 | 2016-03-22 18:31:25 |
| Financial_Report.xlsx | 123775 | 2016-03-22 18:31:25 |
| R1.htm | 28394 | 2016-03-22 18:31:25 |
| R10.htm | 101531 | 2016-03-22 18:31:25 |
| R11.htm | 101805 | 2016-03-22 18:31:25 |
| R12.htm | 67139 | 2016-03-22 18:31:25 |
| R13.htm | 305505 | 2016-03-22 18:31:25 |
| R14.htm | 39356 | 2016-03-22 18:31:25 |
| R15.htm | 121540 | 2016-03-22 18:31:25 |
| R16.htm | 12115 | 2016-03-22 18:31:25 |
| R17.htm | 6433 | 2016-03-22 18:31:25 |
| R18.htm | 41345 | 2016-03-22 18:31:25 |
| R19.htm | 56742 | 2016-03-22 18:31:25 |
| R2.htm | 87535 | 2016-03-22 18:31:25 |
| R20.htm | 15246 | 2016-03-22 18:31:25 |
| R21.htm | 12854 | 2016-03-22 18:31:25 |
| R22.htm | 25516 | 2016-03-22 18:31:25 |
| R23.htm | 20356 | 2016-03-22 18:31:25 |
| R24.htm | 77208 | 2016-03-22 18:31:25 |
| R25.htm | 88256 | 2016-03-22 18:31:25 |
| R26.htm | 41428 | 2016-03-22 18:31:25 |
| R27.htm | 397514 | 2016-03-22 18:31:25 |
| R28.htm | 118485 | 2016-03-22 18:31:25 |
| R29.htm | 47426 | 2016-03-22 18:31:25 |
| R3.htm | 11183 | 2016-03-22 18:31:25 |
| R30.htm | 46449 | 2016-03-22 18:31:25 |
| R31.htm | 100130 | 2016-03-22 18:31:25 |
| R32.htm | 66148 | 2016-03-22 18:31:25 |
| R33.htm | 299138 | 2016-03-22 18:31:25 |
| R34.htm | 35702 | 2016-03-22 18:31:25 |
| R35.htm | 115769 | 2016-03-22 18:31:25 |
| R36.htm | 34345 | 2016-03-22 18:31:25 |
| R37.htm | 53441 | 2016-03-22 18:31:25 |
| R38.htm | 13206 | 2016-03-22 18:31:25 |
| R39.htm | 20529 | 2016-03-22 18:31:25 |
| R4.htm | 73701 | 2016-03-22 18:31:25 |
| R40.htm | 14545 | 2016-03-22 18:31:25 |
| R41.htm | 73639 | 2016-03-22 18:31:25 |
| R42.htm | 86967 | 2016-03-22 18:31:25 |
| R43.htm | 53717 | 2016-03-22 18:31:25 |
| R44.htm | 79740 | 2016-03-22 18:31:25 |
| R45.htm | 21164 | 2016-03-22 18:31:25 |
| R46.htm | 29316 | 2016-03-22 18:31:25 |
| R47.htm | 114828 | 2016-03-22 18:31:25 |
| R48.htm | 75093 | 2016-03-22 18:31:25 |
| R49.htm | 183579 | 2016-03-22 18:31:25 |
| R5.htm | 4906 | 2016-03-22 18:31:25 |
| R50.htm | 90917 | 2016-03-22 18:31:25 |
| R51.htm | 36492 | 2016-03-22 18:31:25 |
| R52.htm | 186543 | 2016-03-22 18:31:25 |
| R53.htm | 24731 | 2016-03-22 18:31:25 |
| R54.htm | 26688 | 2016-03-22 18:31:25 |
| R55.htm | 22744 | 2016-03-22 18:31:25 |
| R56.htm | 17397 | 2016-03-22 18:31:25 |
| R57.htm | 24667 | 2016-03-22 18:31:25 |
| R58.htm | 13370 | 2016-03-22 18:31:25 |
| R59.htm | 11483 | 2016-03-22 18:31:25 |
| R6.htm | 13439 | 2016-03-22 18:31:25 |
| R60.htm | 45117 | 2016-03-22 18:31:25 |
| R61.htm | 45217 | 2016-03-22 18:31:25 |
| R62.htm | 42528 | 2016-03-22 18:31:25 |
| R63.htm | 15283 | 2016-03-22 18:31:25 |
| R64.htm | 313862 | 2016-03-22 18:31:25 |
| R65.htm | 23676 | 2016-03-22 18:31:25 |
| R7.htm | 30984 | 2016-03-22 18:31:25 |
| R8.htm | 132609 | 2016-03-22 18:31:25 |
| R9.htm | 54267 | 2016-03-22 18:31:25 |
| report.css | 2767 | 2016-03-22 18:31:25 |
| ropl-20151231.xml | 3552047 | 2016-03-22 18:31:25 |
| ropl-20151231.xsd | 106169 | 2016-03-22 18:31:25 |
| ropl-20151231x10k.htm | 3119643 | 2016-03-22 18:31:25 |
| ropl-20151231x10xkex121.htm | 79012 | 2016-03-22 18:31:25 |
| ropl-20151231x10xkex211.htm | 36726 | 2016-03-22 18:31:25 |
| ropl-20151231x10xkex231.htm | 4465 | 2016-03-22 18:31:25 |
| ropl-20151231x10xkex311.htm | 14133 | 2016-03-22 18:31:25 |
| ropl-20151231x10xkex312.htm | 14163 | 2016-03-22 18:31:25 |
| ropl-20151231x10xkex321.htm | 7996 | 2016-03-22 18:31:25 |
| ropl-20151231x10xkex322.htm | 8062 | 2016-03-22 18:31:25 |
| ropl-20151231_cal.xml | 123356 | 2016-03-22 18:31:25 |
| ropl-20151231_def.xml | 386672 | 2016-03-22 18:31:25 |
| ropl-20151231_lab.xml | 1123837 | 2016-03-22 18:31:25 |
| ropl-20151231_pre.xml | 569633 | 2016-03-22 18:31:25 |
| Show.js | 1410 | 2016-03-22 18:31:25 |