Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000022356-18-000042-index-headers.html | 2018-08-06 11:18:01 | |
| 0000022356-18-000042-index.html | 2018-08-06 11:18:01 | |
| 0000022356-18-000042.txt | 2018-08-06 11:18:01 | |
 0000022356-18-000042-xbrl.zip | 489471 | 2018-08-06 11:18:01 |
| cbsh-20180630.xml | 5694543 | 2018-08-06 11:18:01 |
| cbsh-20180630.xsd | 129836 | 2018-08-06 11:18:01 |
| cbsh-20180630_cal.xml | 156572 | 2018-08-06 11:18:01 |
| cbsh-20180630_def.xml | 502752 | 2018-08-06 11:18:01 |
| cbsh-20180630_lab.xml | 1200081 | 2018-08-06 11:18:01 |
| cbsh-20180630_pre.xml | 730693 | 2018-08-06 11:18:01 |
| cbsh0630201810q.htm | 3401849 | 2018-08-06 11:18:01 |
| cbsh06302018ex311.htm | 10611 | 2018-08-06 11:18:01 |
| cbsh06302018ex312.htm | 10602 | 2018-08-06 11:18:01 |
| cbsh06302018ex32.htm | 8909 | 2018-08-06 11:18:01 |
| FilingSummary.xml | 68971 | 2018-08-06 11:18:01 |
| Financial_Report.xlsx | 153673 | 2018-08-06 11:18:01 |
| R1.htm | 20419 | 2018-08-06 11:18:01 |
| R10.htm | 12631 | 2018-08-06 11:18:01 |
| R11.htm | 437776 | 2018-08-06 11:18:01 |
| R12.htm | 267917 | 2018-08-06 11:18:01 |
| R13.htm | 61984 | 2018-08-06 11:18:01 |
| R14.htm | 10278 | 2018-08-06 11:18:01 |
| R15.htm | 28319 | 2018-08-06 11:18:01 |
| R16.htm | 60000 | 2018-08-06 11:18:01 |
| R17.htm | 58647 | 2018-08-06 11:18:01 |
| R18.htm | 111522 | 2018-08-06 11:18:01 |
| R19.htm | 142815 | 2018-08-06 11:18:01 |
| R2.htm | 95561 | 2018-08-06 11:18:01 |
| R20.htm | 77154 | 2018-08-06 11:18:01 |
| R21.htm | 36959 | 2018-08-06 11:18:01 |
| R22.htm | 203991 | 2018-08-06 11:18:01 |
| R23.htm | 313440 | 2018-08-06 11:18:01 |
| R24.htm | 196324 | 2018-08-06 11:18:01 |
| R25.htm | 5459 | 2018-08-06 11:18:01 |
| R26.htm | 440937 | 2018-08-06 11:18:01 |
| R27.htm | 264071 | 2018-08-06 11:18:01 |
| R28.htm | 63661 | 2018-08-06 11:18:01 |
| R29.htm | 27250 | 2018-08-06 11:18:01 |
| R3.htm | 23496 | 2018-08-06 11:18:01 |
| R30.htm | 58739 | 2018-08-06 11:18:01 |
| R31.htm | 56534 | 2018-08-06 11:18:01 |
| R32.htm | 107887 | 2018-08-06 11:18:01 |
| R33.htm | 141311 | 2018-08-06 11:18:01 |
| R34.htm | 74746 | 2018-08-06 11:18:01 |
| R35.htm | 37037 | 2018-08-06 11:18:01 |
| R36.htm | 196116 | 2018-08-06 11:18:01 |
| R37.htm | 314650 | 2018-08-06 11:18:01 |
| R38.htm | 191697 | 2018-08-06 11:18:01 |
| R39.htm | 26191 | 2018-08-06 11:18:01 |
| R4.htm | 115839 | 2018-08-06 11:18:01 |
| R40.htm | 22197 | 2018-08-06 11:18:01 |
| R41.htm | 25199 | 2018-08-06 11:18:01 |
| R42.htm | 17513 | 2018-08-06 11:18:01 |
| R43.htm | 8822 | 2018-08-06 11:18:01 |
| R44.htm | 44180 | 2018-08-06 11:18:01 |
| R45.htm | 15406 | 2018-08-06 11:18:01 |
| R46.htm | 22203 | 2018-08-06 11:18:01 |
| R47.htm | 52739 | 2018-08-06 11:18:01 |
| R48.htm | 34179 | 2018-08-06 11:18:01 |
| R49.htm | 46458 | 2018-08-06 11:18:01 |
| R5.htm | 25149 | 2018-08-06 11:18:01 |
| R50.htm | 27342 | 2018-08-06 11:18:01 |
| R51.htm | 15531 | 2018-08-06 11:18:01 |
| R52.htm | 57138 | 2018-08-06 11:18:01 |
| R53.htm | 18487 | 2018-08-06 11:18:01 |
| R54.htm | 52710 | 2018-08-06 11:18:01 |
| R55.htm | 37590 | 2018-08-06 11:18:01 |
| R56.htm | 12699 | 2018-08-06 11:18:01 |
| R57.htm | 13253 | 2018-08-06 11:18:01 |
| R58.htm | 53736 | 2018-08-06 11:18:01 |
| R59.htm | 44627 | 2018-08-06 11:18:01 |
| R6.htm | 41105 | 2018-08-06 11:18:01 |
| R60.htm | 5647 | 2018-08-06 11:18:01 |
| R61.htm | 17341 | 2018-08-06 11:18:01 |
| R62.htm | 13390 | 2018-08-06 11:18:01 |
| R63.htm | 22312 | 2018-08-06 11:18:01 |
| R64.htm | 11097 | 2018-08-06 11:18:01 |
| R65.htm | 23179 | 2018-08-06 11:18:01 |
| R66.htm | 5365 | 2018-08-06 11:18:01 |
| R67.htm | 15768 | 2018-08-06 11:18:01 |
| R68.htm | 38199 | 2018-08-06 11:18:01 |
| R69.htm | 5405 | 2018-08-06 11:18:01 |
| R7.htm | 6182 | 2018-08-06 11:18:01 |
| R70.htm | 53515 | 2018-08-06 11:18:01 |
| R71.htm | 9046 | 2018-08-06 11:18:01 |
| R72.htm | 44651 | 2018-08-06 11:18:01 |
| R73.htm | 6060 | 2018-08-06 11:18:01 |
| R74.htm | 18691 | 2018-08-06 11:18:01 |
| R75.htm | 26095 | 2018-08-06 11:18:01 |
| R76.htm | 22412 | 2018-08-06 11:18:01 |
| R77.htm | 53637 | 2018-08-06 11:18:01 |
| R78.htm | 8887 | 2018-08-06 11:18:01 |
| R79.htm | 38913 | 2018-08-06 11:18:01 |
| R8.htm | 97807 | 2018-08-06 11:18:01 |
| R80.htm | 49787 | 2018-08-06 11:18:01 |
| R81.htm | 17906 | 2018-08-06 11:18:01 |
| R82.htm | 17683 | 2018-08-06 11:18:01 |
| R83.htm | 14873 | 2018-08-06 11:18:01 |
| R84.htm | 28029 | 2018-08-06 11:18:01 |
| R85.htm | 4079 | 2018-08-06 11:18:01 |
| R86.htm | 25417 | 2018-08-06 11:18:01 |
| R87.htm | 21566 | 2018-08-06 11:18:01 |
| R88.htm | 13094 | 2018-08-06 11:18:01 |
| R89.htm | 29739 | 2018-08-06 11:18:01 |
| R9.htm | 6167 | 2018-08-06 11:18:01 |
| R90.htm | 12129 | 2018-08-06 11:18:01 |
| R91.htm | 13193 | 2018-08-06 11:18:01 |
| R92.htm | 9965 | 2018-08-06 11:18:01 |
| R93.htm | 8998 | 2018-08-06 11:18:01 |
| R94.htm | 62971 | 2018-08-06 11:18:01 |
| R95.htm | 45553 | 2018-08-06 11:18:01 |
| R96.htm | 15569 | 2018-08-06 11:18:01 |
| R97.htm | 30793 | 2018-08-06 11:18:01 |
| R98.htm | 26149 | 2018-08-06 11:18:01 |
| R99.htm | 150913 | 2018-08-06 11:18:01 |
| report.css | 2768 | 2018-08-06 11:18:01 |
| Show.js | 1411 | 2018-08-06 11:18:01 |