Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000791963-16-000032-index-headers.html | 2016-03-04 15:28:44 | |
| 0000791963-16-000032-index.html | 2016-03-04 15:28:44 | |
| 0000791963-16-000032.txt | 2016-03-04 15:28:44 | |
 0000791963-16-000032-xbrl.zip | 561133 | 2016-03-04 15:28:44 |
| FilingSummary.xml | 62669 | 2016-03-04 15:28:44 |
| Financial_Report.xlsx | 180589 | 2016-03-04 15:28:44 |
| opy-12312015x10k.htm | 3838569 | 2016-03-04 15:28:44 |
 opy-1231201_chartx20278.jpg | 71343 | 2016-03-04 15:28:44 |
| opy-20151231.xml | 7037796 | 2016-03-04 15:28:44 |
| opy-20151231.xsd | 106783 | 2016-03-04 15:28:44 |
| opy-20151231_cal.xml | 202890 | 2016-03-04 15:28:44 |
| opy-20151231_def.xml | 598982 | 2016-03-04 15:28:44 |
| opy-20151231_lab.xml | 1431815 | 2016-03-04 15:28:44 |
| opy-20151231_pre.xml | 892580 | 2016-03-04 15:28:44 |
| opy10-kexx1212312015.htm | 38391 | 2016-03-04 15:28:44 |
| opy10-kexx23112312015.htm | 2362 | 2016-03-04 15:28:44 |
| opy10-kexx31112312015.htm | 19834 | 2016-03-04 15:28:44 |
| opy10-kexx31212312015.htm | 19506 | 2016-03-04 15:28:44 |
| opy10-kexx32112312015.htm | 2690 | 2016-03-04 15:28:44 |
| opy10-kexx32212312015.htm | 2658 | 2016-03-04 15:28:44 |
| R1.htm | 32373 | 2016-03-04 15:28:44 |
| R10.htm | 52838 | 2016-03-04 15:28:44 |
| R100.htm | 199117 | 2016-03-04 15:28:44 |
| R101.htm | 140360 | 2016-03-04 15:28:44 |
| R102.htm | 67462 | 2016-03-04 15:28:44 |
| R11.htm | 6082 | 2016-03-04 15:28:44 |
| R12.htm | 28790 | 2016-03-04 15:28:44 |
| R13.htm | 945390 | 2016-03-04 15:28:44 |
| R14.htm | 156652 | 2016-03-04 15:28:44 |
| R15.htm | 57121 | 2016-03-04 15:28:44 |
| R16.htm | 68696 | 2016-03-04 15:28:44 |
| R17.htm | 19093 | 2016-03-04 15:28:44 |
| R18.htm | 17028 | 2016-03-04 15:28:44 |
| R19.htm | 16302 | 2016-03-04 15:28:44 |
| R2.htm | 99146 | 2016-03-04 15:28:44 |
| R20.htm | 23683 | 2016-03-04 15:28:44 |
| R21.htm | 34317 | 2016-03-04 15:28:44 |
| R22.htm | 170214 | 2016-03-04 15:28:44 |
| R23.htm | 152646 | 2016-03-04 15:28:44 |
| R24.htm | 33735 | 2016-03-04 15:28:44 |
| R25.htm | 10536 | 2016-03-04 15:28:44 |
| R26.htm | 10241 | 2016-03-04 15:28:44 |
| R27.htm | 67513 | 2016-03-04 15:28:44 |
| R28.htm | 5302 | 2016-03-04 15:28:44 |
| R29.htm | 92287 | 2016-03-04 15:28:44 |
| R3.htm | 27908 | 2016-03-04 15:28:44 |
| R30.htm | 782610 | 2016-03-04 15:28:44 |
| R31.htm | 85190 | 2016-03-04 15:28:44 |
| R32.htm | 28510 | 2016-03-04 15:28:44 |
| R33.htm | 910564 | 2016-03-04 15:28:44 |
| R34.htm | 137780 | 2016-03-04 15:28:44 |
| R35.htm | 58003 | 2016-03-04 15:28:44 |
| R36.htm | 65984 | 2016-03-04 15:28:44 |
| R37.htm | 17223 | 2016-03-04 15:28:44 |
| R38.htm | 15726 | 2016-03-04 15:28:44 |
| R39.htm | 13872 | 2016-03-04 15:28:44 |
| R4.htm | 72703 | 2016-03-04 15:28:44 |
| R40.htm | 12457 | 2016-03-04 15:28:44 |
| R41.htm | 32741 | 2016-03-04 15:28:44 |
| R42.htm | 166109 | 2016-03-04 15:28:44 |
| R43.htm | 136463 | 2016-03-04 15:28:44 |
| R44.htm | 11816 | 2016-03-04 15:28:44 |
| R45.htm | 64190 | 2016-03-04 15:28:44 |
| R46.htm | 91043 | 2016-03-04 15:28:44 |
| R47.htm | 782322 | 2016-03-04 15:28:44 |
| R48.htm | 8884 | 2016-03-04 15:28:44 |
| R49.htm | 29177 | 2016-03-04 15:28:44 |
| R5.htm | 18013 | 2016-03-04 15:28:44 |
| R50.htm | 4380 | 2016-03-04 15:28:44 |
| R51.htm | 26907 | 2016-03-04 15:28:44 |
| R52.htm | 27489 | 2016-03-04 15:28:44 |
| R53.htm | 77512 | 2016-03-04 15:28:44 |
| R54.htm | 79474 | 2016-03-04 15:28:44 |
| R55.htm | 22775 | 2016-03-04 15:28:44 |
| R56.htm | 134634 | 2016-03-04 15:28:44 |
| R57.htm | 45496 | 2016-03-04 15:28:44 |
| R58.htm | 86399 | 2016-03-04 15:28:44 |
| R59.htm | 43788 | 2016-03-04 15:28:44 |
| R6.htm | 50788 | 2016-03-04 15:28:44 |
| R60.htm | 23312 | 2016-03-04 15:28:44 |
| R61.htm | 72298 | 2016-03-04 15:28:44 |
| R62.htm | 22311 | 2016-03-04 15:28:44 |
| R63.htm | 109596 | 2016-03-04 15:28:44 |
| R64.htm | 22548 | 2016-03-04 15:28:44 |
| R65.htm | 4485 | 2016-03-04 15:28:44 |
| R66.htm | 14901 | 2016-03-04 15:28:44 |
| R67.htm | 24748 | 2016-03-04 15:28:44 |
| R68.htm | 9122 | 2016-03-04 15:28:44 |
| R69.htm | 24735 | 2016-03-04 15:28:44 |
| R7.htm | 4799 | 2016-03-04 15:28:44 |
| R70.htm | 14582 | 2016-03-04 15:28:44 |
| R71.htm | 4772 | 2016-03-04 15:28:44 |
| R72.htm | 10863 | 2016-03-04 15:28:44 |
| R73.htm | 5765 | 2016-03-04 15:28:44 |
| R74.htm | 9274 | 2016-03-04 15:28:44 |
| R75.htm | 35947 | 2016-03-04 15:28:44 |
| R76.htm | 11130 | 2016-03-04 15:28:44 |
| R77.htm | 64873 | 2016-03-04 15:28:44 |
| R78.htm | 38220 | 2016-03-04 15:28:44 |
| R79.htm | 61835 | 2016-03-04 15:28:44 |
| R8.htm | 112005 | 2016-03-04 15:28:44 |
| R80.htm | 30414 | 2016-03-04 15:28:44 |
| R81.htm | 54951 | 2016-03-04 15:28:44 |
| R82.htm | 11640 | 2016-03-04 15:28:44 |
| R83.htm | 42419 | 2016-03-04 15:28:44 |
| R84.htm | 30812 | 2016-03-04 15:28:44 |
| R85.htm | 14238 | 2016-03-04 15:28:44 |
| R86.htm | 30239 | 2016-03-04 15:28:44 |
| R87.htm | 29719 | 2016-03-04 15:28:44 |
| R88.htm | 17109 | 2016-03-04 15:28:44 |
| R89.htm | 30307 | 2016-03-04 15:28:44 |
| R9.htm | 8097 | 2016-03-04 15:28:44 |
| R90.htm | 143744 | 2016-03-04 15:28:44 |
| R91.htm | 19430 | 2016-03-04 15:28:44 |
| R92.htm | 47754 | 2016-03-04 15:28:44 |
| R93.htm | 33726 | 2016-03-04 15:28:44 |
| R94.htm | 16208 | 2016-03-04 15:28:44 |
| R95.htm | 43811 | 2016-03-04 15:28:44 |
| R96.htm | 15738 | 2016-03-04 15:28:44 |
| R97.htm | 15310 | 2016-03-04 15:28:44 |
| R98.htm | 37503 | 2016-03-04 15:28:44 |
| R99.htm | 4158 | 2016-03-04 15:28:44 |
| report.css | 2768 | 2016-03-04 15:28:44 |
| Show.js | 1411 | 2016-03-04 15:28:44 |