Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000896159-19-000009-index-headers.html | 2019-05-02 15:28:29 | |
| 0000896159-19-000009-index.html | 2019-05-02 15:28:29 | |
| 0000896159-19-000009.txt | 2019-05-02 15:28:29 | |
 0000896159-19-000009-xbrl.zip | 441836 | 2019-05-02 15:28:29 |
| cb-20190331.xml | 6552637 | 2019-05-02 15:28:29 |
| cb-20190331.xsd | 64187 | 2019-05-02 15:28:29 |
| cb-20190331_cal.xml | 191054 | 2019-05-02 15:28:29 |
| cb-20190331_def.xml | 520486 | 2019-05-02 15:28:29 |
| cb-20190331_lab.xml | 966574 | 2019-05-02 15:28:29 |
| cb-20190331_pre.xml | 665477 | 2019-05-02 15:28:29 |
| cb-33119x10q.htm | 4573626 | 2019-05-02 15:28:29 |
| cb-3312019xex311.htm | 10381 | 2019-05-02 15:28:29 |
| cb-3312019xex312.htm | 10389 | 2019-05-02 15:28:29 |
| cb-3312019xex321.htm | 4470 | 2019-05-02 15:28:29 |
| cb-3312019xex322.htm | 4448 | 2019-05-02 15:28:29 |
| FilingSummary.xml | 47164 | 2019-05-02 15:28:29 |
| Financial_Report.xlsx | 122349 | 2019-05-02 15:28:29 |
| R1.htm | 28347 | 2019-05-02 15:28:29 |
| R10.htm | 397282 | 2019-05-02 15:28:29 |
| R11.htm | 528357 | 2019-05-02 15:28:29 |
| R12.htm | 118585 | 2019-05-02 15:28:29 |
| R13.htm | 220274 | 2019-05-02 15:28:29 |
| R14.htm | 8742 | 2019-05-02 15:28:29 |
| R15.htm | 25466 | 2019-05-02 15:28:29 |
| R16.htm | 96738 | 2019-05-02 15:28:29 |
| R17.htm | 235656 | 2019-05-02 15:28:29 |
| R18.htm | 26559 | 2019-05-02 15:28:29 |
| R19.htm | 673882 | 2019-05-02 15:28:29 |
| R2.htm | 113860 | 2019-05-02 15:28:29 |
| R20.htm | 29902 | 2019-05-02 15:28:29 |
| R21.htm | 8321 | 2019-05-02 15:28:29 |
| R22.htm | 14520 | 2019-05-02 15:28:29 |
| R23.htm | 521288 | 2019-05-02 15:28:29 |
| R24.htm | 666286 | 2019-05-02 15:28:29 |
| R25.htm | 87286 | 2019-05-02 15:28:29 |
| R26.htm | 196715 | 2019-05-02 15:28:29 |
| R27.htm | 19374 | 2019-05-02 15:28:29 |
| R28.htm | 95860 | 2019-05-02 15:28:29 |
| R29.htm | 231992 | 2019-05-02 15:28:29 |
| R3.htm | 20021 | 2019-05-02 15:28:29 |
| R30.htm | 26274 | 2019-05-02 15:28:29 |
| R31.htm | 674799 | 2019-05-02 15:28:29 |
| R32.htm | 14044 | 2019-05-02 15:28:29 |
| R33.htm | 4427 | 2019-05-02 15:28:29 |
| R34.htm | 14571 | 2019-05-02 15:28:29 |
| R35.htm | 28494 | 2019-05-02 15:28:29 |
| R36.htm | 32923 | 2019-05-02 15:28:29 |
| R37.htm | 31868 | 2019-05-02 15:28:29 |
| R38.htm | 72682 | 2019-05-02 15:28:29 |
| R39.htm | 42810 | 2019-05-02 15:28:29 |
| R4.htm | 93961 | 2019-05-02 15:28:29 |
| R40.htm | 10666 | 2019-05-02 15:28:29 |
| R41.htm | 21870 | 2019-05-02 15:28:29 |
| R42.htm | 36512 | 2019-05-02 15:28:29 |
| R43.htm | 13993 | 2019-05-02 15:28:29 |
| R44.htm | 7838 | 2019-05-02 15:28:29 |
| R45.htm | 116607 | 2019-05-02 15:28:29 |
| R46.htm | 44077 | 2019-05-02 15:28:29 |
| R47.htm | 24719 | 2019-05-02 15:28:29 |
| R48.htm | 58375 | 2019-05-02 15:28:29 |
| R49.htm | 46142 | 2019-05-02 15:28:29 |
| R5.htm | 5887 | 2019-05-02 15:28:29 |
| R50.htm | 88335 | 2019-05-02 15:28:29 |
| R51.htm | 31987 | 2019-05-02 15:28:29 |
| R52.htm | 35135 | 2019-05-02 15:28:29 |
| R53.htm | 81592 | 2019-05-02 15:28:29 |
| R54.htm | 17994 | 2019-05-02 15:28:29 |
| R55.htm | 64736 | 2019-05-02 15:28:29 |
| R56.htm | 27492 | 2019-05-02 15:28:29 |
| R57.htm | 21234 | 2019-05-02 15:28:29 |
| R58.htm | 34123 | 2019-05-02 15:28:29 |
| R59.htm | 24327 | 2019-05-02 15:28:29 |
| R6.htm | 58860 | 2019-05-02 15:28:29 |
| R60.htm | 6628 | 2019-05-02 15:28:29 |
| R61.htm | 13514 | 2019-05-02 15:28:29 |
| R62.htm | 20928 | 2019-05-02 15:28:29 |
| R63.htm | 38390 | 2019-05-02 15:28:29 |
| R64.htm | 16289 | 2019-05-02 15:28:29 |
| R65.htm | 77536 | 2019-05-02 15:28:29 |
| R66.htm | 24346 | 2019-05-02 15:28:29 |
| R67.htm | 4777 | 2019-05-02 15:28:29 |
| R68.htm | 137175 | 2019-05-02 15:28:29 |
| R69.htm | 62892 | 2019-05-02 15:28:29 |
| R7.htm | 15139 | 2019-05-02 15:28:29 |
| R70.htm | 152394 | 2019-05-02 15:28:29 |
| R8.htm | 110558 | 2019-05-02 15:28:29 |
| R9.htm | 23979 | 2019-05-02 15:28:29 |
| report.css | 2767 | 2019-05-02 15:28:29 |
| Show.js | 1085 | 2019-05-02 15:28:29 |