Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001193125-20-072607-index-headers.html | 2020-03-13 13:17:56 | |
| 0001193125-20-072607-index.html | 2020-03-13 13:17:56 | |
| 0001193125-20-072607.txt | 2020-03-13 13:17:56 | |
 0001193125-20-072607-xbrl.zip | 418965 | 2020-03-13 13:17:56 |
| cnbka-20191231.xml | 6770786 | 2020-03-13 13:17:56 |
| cnbka-20191231.xsd | 108146 | 2020-03-13 13:17:56 |
| cnbka-20191231_cal.xml | 133181 | 2020-03-13 13:17:56 |
| cnbka-20191231_def.xml | 553765 | 2020-03-13 13:17:56 |
| cnbka-20191231_lab.xml | 864092 | 2020-03-13 13:17:56 |
| cnbka-20191231_pre.xml | 791510 | 2020-03-13 13:17:56 |
| d827661d10k.htm | 2299417 | 2020-03-13 13:17:56 |
| d827661dex21.htm | 1530 | 2020-03-13 13:17:56 |
| d827661dex231.htm | 2325 | 2020-03-13 13:17:56 |
| d827661dex311.htm | 6060 | 2020-03-13 13:17:56 |
| d827661dex312.htm | 6832 | 2020-03-13 13:17:56 |
| d827661dex321.htm | 4298 | 2020-03-13 13:17:56 |
| d827661dex322.htm | 4378 | 2020-03-13 13:17:56 |
| d827661dex44.htm | 20236 | 2020-03-13 13:17:56 |
| FilingSummary.xml | 78504 | 2020-03-13 13:17:56 |
| Financial_Report.xlsx | 176605 | 2020-03-13 13:17:56 |
 g827661g32v92.jpg | 41936 | 2020-03-13 13:17:56 |
 g827661g48y95.jpg | 29911 | 2020-03-13 13:17:56 |
 g827661g57h74.jpg | 81964 | 2020-03-13 13:17:56 |
 g827661g60x05.jpg | 69182 | 2020-03-13 13:17:56 |
 g827661g94m52.jpg | 32829 | 2020-03-13 13:17:56 |
| R1.htm | 46179 | 2020-03-13 13:17:56 |
| R10.htm | 6387 | 2020-03-13 13:17:56 |
| R100.htm | 56108 | 2020-03-13 13:17:56 |
| R101.htm | 28517 | 2020-03-13 13:17:56 |
| R102.htm | 8683 | 2020-03-13 13:17:56 |
| R103.htm | 33622 | 2020-03-13 13:17:56 |
| R104.htm | 48562 | 2020-03-13 13:17:56 |
| R105.htm | 12656 | 2020-03-13 13:17:56 |
| R106.htm | 45480 | 2020-03-13 13:17:56 |
| R107.htm | 31441 | 2020-03-13 13:17:56 |
| R108.htm | 35919 | 2020-03-13 13:17:56 |
| R109.htm | 78293 | 2020-03-13 13:17:56 |
| R11.htm | 166470 | 2020-03-13 13:17:56 |
| R110.htm | 20481 | 2020-03-13 13:17:56 |
| R111.htm | 13642 | 2020-03-13 13:17:56 |
| R112.htm | 13321 | 2020-03-13 13:17:56 |
| R113.htm | 26816 | 2020-03-13 13:17:56 |
| R114.htm | 30670 | 2020-03-13 13:17:56 |
| R115.htm | 42921 | 2020-03-13 13:17:56 |
| R116.htm | 6226 | 2020-03-13 13:17:56 |
| R117.htm | 17689 | 2020-03-13 13:17:56 |
| R118.htm | 7488 | 2020-03-13 13:17:56 |
| R119.htm | 8489 | 2020-03-13 13:17:56 |
| R12.htm | 136345 | 2020-03-13 13:17:56 |
| R120.htm | 13466 | 2020-03-13 13:17:56 |
| R121.htm | 23793 | 2020-03-13 13:17:56 |
| R122.htm | 55731 | 2020-03-13 13:17:56 |
| R123.htm | 29950 | 2020-03-13 13:17:56 |
| R124.htm | 40053 | 2020-03-13 13:17:56 |
| R125.htm | 40414 | 2020-03-13 13:17:56 |
| R13.htm | 59761 | 2020-03-13 13:17:56 |
| R14.htm | 738901 | 2020-03-13 13:17:56 |
| R15.htm | 28701 | 2020-03-13 13:17:56 |
| R16.htm | 29919 | 2020-03-13 13:17:56 |
| R17.htm | 185964 | 2020-03-13 13:17:56 |
| R18.htm | 28178 | 2020-03-13 13:17:56 |
| R19.htm | 18834 | 2020-03-13 13:17:56 |
| R2.htm | 96148 | 2020-03-13 13:17:56 |
| R20.htm | 57502 | 2020-03-13 13:17:56 |
| R21.htm | 41305 | 2020-03-13 13:17:56 |
| R22.htm | 59348 | 2020-03-13 13:17:56 |
| R23.htm | 90892 | 2020-03-13 13:17:56 |
| R24.htm | 135909 | 2020-03-13 13:17:56 |
| R25.htm | 314731 | 2020-03-13 13:17:56 |
| R26.htm | 6064 | 2020-03-13 13:17:56 |
| R27.htm | 20812 | 2020-03-13 13:17:56 |
| R28.htm | 40745 | 2020-03-13 13:17:56 |
| R29.htm | 69489 | 2020-03-13 13:17:56 |
| R3.htm | 24696 | 2020-03-13 13:17:56 |
| R30.htm | 72987 | 2020-03-13 13:17:56 |
| R31.htm | 66090 | 2020-03-13 13:17:56 |
| R32.htm | 155791 | 2020-03-13 13:17:56 |
| R33.htm | 111774 | 2020-03-13 13:17:56 |
| R34.htm | 117262 | 2020-03-13 13:17:56 |
| R35.htm | 163884 | 2020-03-13 13:17:56 |
| R36.htm | 134485 | 2020-03-13 13:17:56 |
| R37.htm | 57643 | 2020-03-13 13:17:56 |
| R38.htm | 739648 | 2020-03-13 13:17:56 |
| R39.htm | 26789 | 2020-03-13 13:17:56 |
| R4.htm | 96660 | 2020-03-13 13:17:56 |
| R40.htm | 28611 | 2020-03-13 13:17:56 |
| R41.htm | 178586 | 2020-03-13 13:17:56 |
| R42.htm | 25587 | 2020-03-13 13:17:56 |
| R43.htm | 16882 | 2020-03-13 13:17:56 |
| R44.htm | 52280 | 2020-03-13 13:17:56 |
| R45.htm | 39948 | 2020-03-13 13:17:56 |
| R46.htm | 57065 | 2020-03-13 13:17:56 |
| R47.htm | 84706 | 2020-03-13 13:17:56 |
| R48.htm | 138387 | 2020-03-13 13:17:56 |
| R49.htm | 301855 | 2020-03-13 13:17:56 |
| R5.htm | 34871 | 2020-03-13 13:17:56 |
| R50.htm | 16977 | 2020-03-13 13:17:56 |
| R51.htm | 39330 | 2020-03-13 13:17:56 |
| R52.htm | 60328 | 2020-03-13 13:17:56 |
| R53.htm | 62729 | 2020-03-13 13:17:56 |
| R54.htm | 69223 | 2020-03-13 13:17:56 |
| R55.htm | 154708 | 2020-03-13 13:17:56 |
| R56.htm | 113157 | 2020-03-13 13:17:56 |
| R57.htm | 6059 | 2020-03-13 13:17:56 |
| R58.htm | 28128 | 2020-03-13 13:17:56 |
| R59.htm | 4338 | 2020-03-13 13:17:56 |
| R6.htm | 38171 | 2020-03-13 13:17:56 |
| R60.htm | 4529 | 2020-03-13 13:17:56 |
| R61.htm | 31370 | 2020-03-13 13:17:56 |
| R62.htm | 26796 | 2020-03-13 13:17:56 |
| R63.htm | 27521 | 2020-03-13 13:17:56 |
| R64.htm | 37374 | 2020-03-13 13:17:56 |
| R65.htm | 23187 | 2020-03-13 13:17:56 |
| R66.htm | 28859 | 2020-03-13 13:17:56 |
| R67.htm | 27575 | 2020-03-13 13:17:56 |
| R68.htm | 31647 | 2020-03-13 13:17:56 |
| R69.htm | 22473 | 2020-03-13 13:17:56 |
| R7.htm | 19667 | 2020-03-13 13:17:56 |
| R70.htm | 19105 | 2020-03-13 13:17:56 |
| R71.htm | 20650 | 2020-03-13 13:17:56 |
| R72.htm | 8803 | 2020-03-13 13:17:56 |
| R73.htm | 17488 | 2020-03-13 13:17:56 |
| R74.htm | 66436 | 2020-03-13 13:17:56 |
| R75.htm | 25294 | 2020-03-13 13:17:56 |
| R76.htm | 30396 | 2020-03-13 13:17:56 |
| R77.htm | 38596 | 2020-03-13 13:17:56 |
| R78.htm | 63824 | 2020-03-13 13:17:56 |
| R79.htm | 24928 | 2020-03-13 13:17:56 |
| R8.htm | 115514 | 2020-03-13 13:17:56 |
| R80.htm | 28671 | 2020-03-13 13:17:56 |
| R81.htm | 5501 | 2020-03-13 13:17:56 |
| R82.htm | 19223 | 2020-03-13 13:17:56 |
| R83.htm | 56698 | 2020-03-13 13:17:56 |
| R84.htm | 14175 | 2020-03-13 13:17:56 |
| R85.htm | 26780 | 2020-03-13 13:17:56 |
| R86.htm | 19546 | 2020-03-13 13:17:56 |
| R87.htm | 6155 | 2020-03-13 13:17:56 |
| R88.htm | 20934 | 2020-03-13 13:17:56 |
| R89.htm | 5921 | 2020-03-13 13:17:56 |
| R9.htm | 68520 | 2020-03-13 13:17:56 |
| R90.htm | 13304 | 2020-03-13 13:17:56 |
| R91.htm | 8299 | 2020-03-13 13:17:56 |
| R92.htm | 12107 | 2020-03-13 13:17:56 |
| R93.htm | 52643 | 2020-03-13 13:17:56 |
| R94.htm | 29237 | 2020-03-13 13:17:56 |
| R95.htm | 41324 | 2020-03-13 13:17:56 |
| R96.htm | 11661 | 2020-03-13 13:17:56 |
| R97.htm | 37778 | 2020-03-13 13:17:56 |
| R98.htm | 18404 | 2020-03-13 13:17:56 |
| R99.htm | 56165 | 2020-03-13 13:17:56 |
| report.css | 2768 | 2020-03-13 13:17:56 |
| Show.js | 1085 | 2020-03-13 13:17:56 |