Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000887343-16-000045-index-headers.html | 2016-02-26 18:00:40 | |
| 0000887343-16-000045-index.html | 2016-02-26 18:00:40 | |
| 0000887343-16-000045.txt | 2016-02-26 18:00:40 | |
 0000887343-16-000045-xbrl.zip | 610124 | 2016-02-26 18:00:40 |
| colb-20151231.xml | 8989830 | 2016-02-26 18:00:40 |
| colb-20151231.xsd | 126572 | 2016-02-26 18:00:40 |
| colb-20151231_cal.xml | 156876 | 2016-02-26 18:00:40 |
| colb-20151231_def.xml | 846996 | 2016-02-26 18:00:40 |
| colb-20151231_lab.xml | 1588981 | 2016-02-26 18:00:40 |
| colb-20151231_pre.xml | 1013081 | 2016-02-26 18:00:40 |
 colb2014pub10-k_charta01.jpg | 76456 | 2016-02-26 18:00:40 |
| colb2015ex1042.htm | 35144 | 2016-02-26 18:00:40 |
| colb2015ex12.htm | 79658 | 2016-02-26 18:00:40 |
| colb2015ex21.htm | 7549 | 2016-02-26 18:00:40 |
| colb2015ex23.htm | 3301 | 2016-02-26 18:00:40 |
| colb2015ex24.htm | 28642 | 2016-02-26 18:00:40 |
| colb2015ex311.htm | 12206 | 2016-02-26 18:00:40 |
| colb2015ex312.htm | 12273 | 2016-02-26 18:00:40 |
| colb2015ex32.htm | 7987 | 2016-02-26 18:00:40 |
| colb2015pub10-k.htm | 6106542 | 2016-02-26 18:00:40 |
| FilingSummary.xml | 71239 | 2016-02-26 18:00:40 |
| Financial_Report.xlsx | 192137 | 2016-02-26 18:00:40 |
| R1.htm | 28526 | 2016-02-26 18:00:40 |
| R10.htm | 127017 | 2016-02-26 18:00:40 |
| R100.htm | 13936 | 2016-02-26 18:00:40 |
| R101.htm | 37317 | 2016-02-26 18:00:40 |
| R102.htm | 38115 | 2016-02-26 18:00:40 |
| R103.htm | 115505 | 2016-02-26 18:00:40 |
| R104.htm | 109023 | 2016-02-26 18:00:40 |
| R105.htm | 63296 | 2016-02-26 18:00:40 |
| R106.htm | 22050 | 2016-02-26 18:00:40 |
| R107.htm | 42014 | 2016-02-26 18:00:40 |
| R108.htm | 47052 | 2016-02-26 18:00:40 |
| R109.htm | 76969 | 2016-02-26 18:00:40 |
| R11.htm | 7437 | 2016-02-26 18:00:40 |
| R110.htm | 37693 | 2016-02-26 18:00:40 |
| R12.htm | 182394 | 2016-02-26 18:00:40 |
| R13.htm | 767620 | 2016-02-26 18:00:40 |
| R14.htm | 732677 | 2016-02-26 18:00:40 |
| R15.htm | 24170 | 2016-02-26 18:00:40 |
| R16.htm | 80882 | 2016-02-26 18:00:40 |
| R17.htm | 29139 | 2016-02-26 18:00:40 |
| R18.htm | 58480 | 2016-02-26 18:00:40 |
| R19.htm | 43102 | 2016-02-26 18:00:40 |
| R2.htm | 92450 | 2016-02-26 18:00:40 |
| R20.htm | 62487 | 2016-02-26 18:00:40 |
| R21.htm | 8901 | 2016-02-26 18:00:40 |
| R22.htm | 6114 | 2016-02-26 18:00:40 |
| R23.htm | 96984 | 2016-02-26 18:00:40 |
| R24.htm | 41511 | 2016-02-26 18:00:40 |
| R25.htm | 21232 | 2016-02-26 18:00:40 |
| R26.htm | 97310 | 2016-02-26 18:00:40 |
| R27.htm | 16450 | 2016-02-26 18:00:40 |
| R28.htm | 293825 | 2016-02-26 18:00:40 |
| R29.htm | 52216 | 2016-02-26 18:00:40 |
| R3.htm | 13143 | 2016-02-26 18:00:40 |
| R30.htm | 98903 | 2016-02-26 18:00:40 |
| R31.htm | 102609 | 2016-02-26 18:00:40 |
| R32.htm | 125002 | 2016-02-26 18:00:40 |
| R33.htm | 10834 | 2016-02-26 18:00:40 |
| R34.htm | 137638 | 2016-02-26 18:00:40 |
| R35.htm | 119642 | 2016-02-26 18:00:40 |
| R36.htm | 85795 | 2016-02-26 18:00:40 |
| R37.htm | 124141 | 2016-02-26 18:00:40 |
| R38.htm | 181203 | 2016-02-26 18:00:40 |
| R39.htm | 767904 | 2016-02-26 18:00:40 |
| R4.htm | 96390 | 2016-02-26 18:00:40 |
| R40.htm | 724875 | 2016-02-26 18:00:40 |
| R41.htm | 20644 | 2016-02-26 18:00:40 |
| R42.htm | 76094 | 2016-02-26 18:00:40 |
| R43.htm | 25742 | 2016-02-26 18:00:40 |
| R44.htm | 54817 | 2016-02-26 18:00:40 |
| R45.htm | 42265 | 2016-02-26 18:00:40 |
| R46.htm | 86439 | 2016-02-26 18:00:40 |
| R47.htm | 74736 | 2016-02-26 18:00:40 |
| R48.htm | 34349 | 2016-02-26 18:00:40 |
| R49.htm | 14286 | 2016-02-26 18:00:40 |
| R5.htm | 29257 | 2016-02-26 18:00:40 |
| R50.htm | 99369 | 2016-02-26 18:00:40 |
| R51.htm | 282281 | 2016-02-26 18:00:40 |
| R52.htm | 50679 | 2016-02-26 18:00:40 |
| R53.htm | 91933 | 2016-02-26 18:00:40 |
| R54.htm | 103479 | 2016-02-26 18:00:40 |
| R55.htm | 117397 | 2016-02-26 18:00:40 |
| R56.htm | 139113 | 2016-02-26 18:00:40 |
| R57.htm | 118366 | 2016-02-26 18:00:40 |
| R58.htm | 34157 | 2016-02-26 18:00:40 |
| R59.htm | 92599 | 2016-02-26 18:00:40 |
| R6.htm | 11636 | 2016-02-26 18:00:40 |
| R60.htm | 41231 | 2016-02-26 18:00:40 |
| R61.htm | 6792 | 2016-02-26 18:00:40 |
| R62.htm | 36032 | 2016-02-26 18:00:40 |
| R63.htm | 35095 | 2016-02-26 18:00:40 |
| R64.htm | 11391 | 2016-02-26 18:00:40 |
| R65.htm | 37048 | 2016-02-26 18:00:40 |
| R66.htm | 25530 | 2016-02-26 18:00:40 |
| R67.htm | 9231 | 2016-02-26 18:00:40 |
| R68.htm | 31677 | 2016-02-26 18:00:40 |
| R69.htm | 75338 | 2016-02-26 18:00:40 |
| R7.htm | 73849 | 2016-02-26 18:00:40 |
| R70.htm | 38491 | 2016-02-26 18:00:40 |
| R71.htm | 110562 | 2016-02-26 18:00:40 |
| R72.htm | 87935 | 2016-02-26 18:00:40 |
| R73.htm | 40529 | 2016-02-26 18:00:40 |
| R74.htm | 38780 | 2016-02-26 18:00:40 |
| R75.htm | 14011 | 2016-02-26 18:00:40 |
| R76.htm | 5608 | 2016-02-26 18:00:40 |
| R77.htm | 119398 | 2016-02-26 18:00:40 |
| R78.htm | 7134 | 2016-02-26 18:00:40 |
| R79.htm | 276625 | 2016-02-26 18:00:40 |
| R8.htm | 131435 | 2016-02-26 18:00:40 |
| R80.htm | 19132 | 2016-02-26 18:00:40 |
| R81.htm | 78751 | 2016-02-26 18:00:40 |
| R82.htm | 31621 | 2016-02-26 18:00:40 |
| R83.htm | 31182 | 2016-02-26 18:00:40 |
| R84.htm | 14481 | 2016-02-26 18:00:40 |
| R85.htm | 42370 | 2016-02-26 18:00:40 |
| R86.htm | 52884 | 2016-02-26 18:00:40 |
| R87.htm | 18517 | 2016-02-26 18:00:40 |
| R88.htm | 11970 | 2016-02-26 18:00:40 |
| R89.htm | 37017 | 2016-02-26 18:00:40 |
| R9.htm | 51615 | 2016-02-26 18:00:40 |
| R90.htm | 38581 | 2016-02-26 18:00:40 |
| R91.htm | 96435 | 2016-02-26 18:00:40 |
| R92.htm | 32844 | 2016-02-26 18:00:40 |
| R93.htm | 18255 | 2016-02-26 18:00:40 |
| R94.htm | 23726 | 2016-02-26 18:00:40 |
| R95.htm | 31261 | 2016-02-26 18:00:40 |
| R96.htm | 51338 | 2016-02-26 18:00:40 |
| R97.htm | 25747 | 2016-02-26 18:00:40 |
| R98.htm | 34803 | 2016-02-26 18:00:40 |
| R99.htm | 58538 | 2016-02-26 18:00:40 |
| report.css | 2768 | 2016-02-26 18:00:40 |
| Show.js | 1411 | 2016-02-26 18:00:40 |