Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-21-075928-index-headers.html | 2021-03-10 12:44:59 | |
| 0001193125-21-075928-index.html | 2021-03-10 12:44:59 | |
| 0001193125-21-075928.txt | 2021-03-10 12:44:59 | |
 0001193125-21-075928-xbrl.zip | 654739 | 2021-03-10 12:44:59 |
| cnbka-20201231.xsd | 107400 | 2021-03-10 12:44:59 |
| cnbka-20201231_cal.xml | 135165 | 2021-03-10 12:44:59 |
| cnbka-20201231_def.xml | 544778 | 2021-03-10 12:44:59 |
| cnbka-20201231_lab.xml | 840648 | 2021-03-10 12:44:59 |
| cnbka-20201231_pre.xml | 776951 | 2021-03-10 12:44:59 |
| d945305d10k.htm | 5069647 | 2021-03-10 12:44:59 |
| d945305d10k_htm.xml | 5041723 | 2021-03-10 12:44:59 |
| d945305dex103.htm | 16939 | 2021-03-10 12:44:59 |
| d945305dex104.htm | 9162 | 2021-03-10 12:44:59 |
| d945305dex14.htm | 142012 | 2021-03-10 12:44:59 |
| d945305dex21.htm | 2938 | 2021-03-10 12:44:59 |
| d945305dex231.htm | 4135 | 2021-03-10 12:44:59 |
| d945305dex31.htm | 137143 | 2021-03-10 12:44:59 |
| d945305dex311.htm | 7078 | 2021-03-10 12:44:59 |
| d945305dex312.htm | 7069 | 2021-03-10 12:44:59 |
| d945305dex32.htm | 80465 | 2021-03-10 12:44:59 |
| d945305dex321.htm | 4810 | 2021-03-10 12:44:59 |
| d945305dex322.htm | 8506 | 2021-03-10 12:44:59 |
| d945305dex41.htm | 18128 | 2021-03-10 12:44:59 |
| d945305dex992.htm | 24320 | 2021-03-10 12:44:59 |
| d945305dex993.htm | 42864 | 2021-03-10 12:44:59 |
| FilingSummary.xml | 78274 | 2021-03-10 12:44:59 |
| Financial_Report.xlsx | 196049 | 2021-03-10 12:44:59 |
 g945305g05c80.jpg | 25943 | 2021-03-10 12:44:59 |
 g945305g15d49.jpg | 96463 | 2021-03-10 12:44:59 |
 g945305g30l26.jpg | 113141 | 2021-03-10 12:44:59 |
 g945305g48y95.jpg | 29911 | 2021-03-10 12:44:59 |
 g945305g63x07.jpg | 68659 | 2021-03-10 12:44:59 |
 g945305g94m52.jpg | 32829 | 2021-03-10 12:44:59 |
 g945305img001_v1.jpg | 4774 | 2021-03-10 12:44:59 |
 g945305img002_v1.jpg | 5560 | 2021-03-10 12:44:59 |
 g945305img003_v1.jpg | 13873 | 2021-03-10 12:44:59 |
 g945305img004_v1.jpg | 15547 | 2021-03-10 12:44:59 |
 g945305img005_v1.jpg | 12095 | 2021-03-10 12:44:59 |
 g945305img006_v1.jpg | 1119 | 2021-03-10 12:44:59 |
 g945305img007_v1.jpg | 3326 | 2021-03-10 12:44:59 |
 g945305img008_v1.jpg | 9283 | 2021-03-10 12:44:59 |
 g945305img009_v1.jpg | 4595 | 2021-03-10 12:44:59 |
 g945305img010_v1.jpg | 5349 | 2021-03-10 12:44:59 |
 g945305img011_v1.jpg | 7344 | 2021-03-10 12:44:59 |
 g945305img012_v1.jpg | 3757 | 2021-03-10 12:44:59 |
 g945305img013_v1.jpg | 86483 | 2021-03-10 12:44:59 |
 g945305img014_v1.jpg | 95882 | 2021-03-10 12:44:59 |
 g945305img015_v1.jpg | 10393 | 2021-03-10 12:44:59 |
 g945305img016_v1.jpg | 8931 | 2021-03-10 12:44:59 |
 g945305img017_v1.jpg | 10802 | 2021-03-10 12:44:59 |
 g945305img018_v1.jpg | 9360 | 2021-03-10 12:44:59 |
 g945305img019_v1.jpg | 3974 | 2021-03-10 12:44:59 |
| MetaLinks.json | 1205574 | 2021-03-10 12:44:59 |
| R1.htm | 65164 | 2021-03-10 12:44:59 |
| R10.htm | 6319 | 2021-03-10 12:44:59 |
| R100.htm | 30940 | 2021-03-10 12:44:59 |
| R101.htm | 8699 | 2021-03-10 12:44:59 |
| R102.htm | 29911 | 2021-03-10 12:44:59 |
| R103.htm | 44647 | 2021-03-10 12:44:59 |
| R104.htm | 13333 | 2021-03-10 12:44:59 |
| R105.htm | 53778 | 2021-03-10 12:44:59 |
| R106.htm | 31751 | 2021-03-10 12:44:59 |
| R107.htm | 32435 | 2021-03-10 12:44:59 |
| R108.htm | 81000 | 2021-03-10 12:44:59 |
| R109.htm | 20088 | 2021-03-10 12:44:59 |
| R11.htm | 125465 | 2021-03-10 12:44:59 |
| R110.htm | 13649 | 2021-03-10 12:44:59 |
| R111.htm | 13327 | 2021-03-10 12:44:59 |
| R112.htm | 26823 | 2021-03-10 12:44:59 |
| R113.htm | 30998 | 2021-03-10 12:44:59 |
| R114.htm | 45540 | 2021-03-10 12:44:59 |
| R115.htm | 6006 | 2021-03-10 12:44:59 |
| R116.htm | 17703 | 2021-03-10 12:44:59 |
| R117.htm | 7663 | 2021-03-10 12:44:59 |
| R118.htm | 8706 | 2021-03-10 12:44:59 |
| R119.htm | 15848 | 2021-03-10 12:44:59 |
| R12.htm | 34702 | 2021-03-10 12:44:59 |
| R120.htm | 24665 | 2021-03-10 12:44:59 |
| R121.htm | 66062 | 2021-03-10 12:44:59 |
| R122.htm | 35974 | 2021-03-10 12:44:59 |
| R123.htm | 45110 | 2021-03-10 12:44:59 |
| R124.htm | 45026 | 2021-03-10 12:44:59 |
| R13.htm | 47889 | 2021-03-10 12:44:59 |
| R14.htm | 480563 | 2021-03-10 12:44:59 |
| R15.htm | 23637 | 2021-03-10 12:44:59 |
| R16.htm | 23526 | 2021-03-10 12:44:59 |
| R17.htm | 56339 | 2021-03-10 12:44:59 |
| R18.htm | 24243 | 2021-03-10 12:44:59 |
| R19.htm | 16291 | 2021-03-10 12:44:59 |
| R2.htm | 104893 | 2021-03-10 12:44:59 |
| R20.htm | 47178 | 2021-03-10 12:44:59 |
| R21.htm | 33946 | 2021-03-10 12:44:59 |
| R22.htm | 47591 | 2021-03-10 12:44:59 |
| R23.htm | 79077 | 2021-03-10 12:44:59 |
| R24.htm | 102725 | 2021-03-10 12:44:59 |
| R25.htm | 247923 | 2021-03-10 12:44:59 |
| R26.htm | 6499 | 2021-03-10 12:44:59 |
| R27.htm | 18650 | 2021-03-10 12:44:59 |
| R28.htm | 33708 | 2021-03-10 12:44:59 |
| R29.htm | 61125 | 2021-03-10 12:44:59 |
| R3.htm | 25322 | 2021-03-10 12:44:59 |
| R30.htm | 62473 | 2021-03-10 12:44:59 |
| R31.htm | 58740 | 2021-03-10 12:44:59 |
| R32.htm | 126308 | 2021-03-10 12:44:59 |
| R33.htm | 85766 | 2021-03-10 12:44:59 |
| R34.htm | 105795 | 2021-03-10 12:44:59 |
| R35.htm | 122363 | 2021-03-10 12:44:59 |
| R36.htm | 106376 | 2021-03-10 12:44:59 |
| R37.htm | 45660 | 2021-03-10 12:44:59 |
| R38.htm | 480587 | 2021-03-10 12:44:59 |
| R39.htm | 21613 | 2021-03-10 12:44:59 |
| R4.htm | 106980 | 2021-03-10 12:44:59 |
| R40.htm | 22302 | 2021-03-10 12:44:59 |
| R41.htm | 95682 | 2021-03-10 12:44:59 |
| R42.htm | 21595 | 2021-03-10 12:44:59 |
| R43.htm | 14710 | 2021-03-10 12:44:59 |
| R44.htm | 42376 | 2021-03-10 12:44:59 |
| R45.htm | 32791 | 2021-03-10 12:44:59 |
| R46.htm | 44828 | 2021-03-10 12:44:59 |
| R47.htm | 74378 | 2021-03-10 12:44:59 |
| R48.htm | 102505 | 2021-03-10 12:44:59 |
| R49.htm | 233821 | 2021-03-10 12:44:59 |
| R5.htm | 42412 | 2021-03-10 12:44:59 |
| R50.htm | 14983 | 2021-03-10 12:44:59 |
| R51.htm | 32471 | 2021-03-10 12:44:59 |
| R52.htm | 51984 | 2021-03-10 12:44:59 |
| R53.htm | 50935 | 2021-03-10 12:44:59 |
| R54.htm | 61220 | 2021-03-10 12:44:59 |
| R55.htm | 125661 | 2021-03-10 12:44:59 |
| R56.htm | 86440 | 2021-03-10 12:44:59 |
| R57.htm | 6313 | 2021-03-10 12:44:59 |
| R58.htm | 20125 | 2021-03-10 12:44:59 |
| R59.htm | 4343 | 2021-03-10 12:44:59 |
| R6.htm | 43857 | 2021-03-10 12:44:59 |
| R60.htm | 25835 | 2021-03-10 12:44:59 |
| R61.htm | 27581 | 2021-03-10 12:44:59 |
| R62.htm | 27642 | 2021-03-10 12:44:59 |
| R63.htm | 30813 | 2021-03-10 12:44:59 |
| R64.htm | 21995 | 2021-03-10 12:44:59 |
| R65.htm | 28805 | 2021-03-10 12:44:59 |
| R66.htm | 30895 | 2021-03-10 12:44:59 |
| R67.htm | 27890 | 2021-03-10 12:44:59 |
| R68.htm | 22482 | 2021-03-10 12:44:59 |
| R69.htm | 19378 | 2021-03-10 12:44:59 |
| R7.htm | 18645 | 2021-03-10 12:44:59 |
| R70.htm | 20728 | 2021-03-10 12:44:59 |
| R71.htm | 8814 | 2021-03-10 12:44:59 |
| R72.htm | 16915 | 2021-03-10 12:44:59 |
| R73.htm | 65643 | 2021-03-10 12:44:59 |
| R74.htm | 25306 | 2021-03-10 12:44:59 |
| R75.htm | 31623 | 2021-03-10 12:44:59 |
| R76.htm | 41910 | 2021-03-10 12:44:59 |
| R77.htm | 63709 | 2021-03-10 12:44:59 |
| R78.htm | 10282 | 2021-03-10 12:44:59 |
| R79.htm | 28685 | 2021-03-10 12:44:59 |
| R8.htm | 110644 | 2021-03-10 12:44:59 |
| R80.htm | 5507 | 2021-03-10 12:44:59 |
| R81.htm | 19541 | 2021-03-10 12:44:59 |
| R82.htm | 45083 | 2021-03-10 12:44:59 |
| R83.htm | 13872 | 2021-03-10 12:44:59 |
| R84.htm | 24987 | 2021-03-10 12:44:59 |
| R85.htm | 12450 | 2021-03-10 12:44:59 |
| R86.htm | 6160 | 2021-03-10 12:44:59 |
| R87.htm | 20957 | 2021-03-10 12:44:59 |
| R88.htm | 6209 | 2021-03-10 12:44:59 |
| R89.htm | 13301 | 2021-03-10 12:44:59 |
| R9.htm | 65017 | 2021-03-10 12:44:59 |
| R90.htm | 8036 | 2021-03-10 12:44:59 |
| R91.htm | 12112 | 2021-03-10 12:44:59 |
| R92.htm | 48497 | 2021-03-10 12:44:59 |
| R93.htm | 29800 | 2021-03-10 12:44:59 |
| R94.htm | 48864 | 2021-03-10 12:44:59 |
| R95.htm | 11666 | 2021-03-10 12:44:59 |
| R96.htm | 49012 | 2021-03-10 12:44:59 |
| R97.htm | 5625 | 2021-03-10 12:44:59 |
| R98.htm | 53235 | 2021-03-10 12:44:59 |
| R99.htm | 53177 | 2021-03-10 12:44:59 |
| report.css | 2768 | 2021-03-10 12:44:59 |
| Show.js | 1086 | 2021-03-10 12:44:59 |