Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000022356-17-000035-index-headers.html | 2017-11-06 18:11:48 | |
| 0000022356-17-000035-index.html | 2017-11-06 18:11:48 | |
| 0000022356-17-000035.txt | 2017-11-06 18:11:48 | |
 0000022356-17-000035-xbrl.zip | 423265 | 2017-11-06 18:11:48 |
| cbsh-20170930.xml | 4696958 | 2017-11-06 18:11:48 |
| cbsh-20170930.xsd | 106470 | 2017-11-06 18:11:48 |
| cbsh-20170930_cal.xml | 134881 | 2017-11-06 18:11:48 |
| cbsh-20170930_def.xml | 429637 | 2017-11-06 18:11:48 |
| cbsh-20170930_lab.xml | 1061760 | 2017-11-06 18:11:48 |
| cbsh-20170930_pre.xml | 645460 | 2017-11-06 18:11:48 |
| cbsh930201710q.htm | 3107125 | 2017-11-06 18:11:48 |
| cbsh9302017ex311.htm | 10678 | 2017-11-06 18:11:48 |
| cbsh9302017ex312.htm | 10613 | 2017-11-06 18:11:48 |
| cbsh9302017ex32.htm | 9030 | 2017-11-06 18:11:48 |
| FilingSummary.xml | 60258 | 2017-11-06 18:11:48 |
| Financial_Report.xlsx | 132669 | 2017-11-06 18:11:48 |
| R1.htm | 20418 | 2017-11-06 18:11:48 |
| R10.htm | 426642 | 2017-11-06 18:11:48 |
| R11.htm | 258531 | 2017-11-06 18:11:48 |
| R12.htm | 63698 | 2017-11-06 18:11:48 |
| R13.htm | 10439 | 2017-11-06 18:11:48 |
| R14.htm | 28940 | 2017-11-06 18:11:48 |
| R15.htm | 61781 | 2017-11-06 18:11:48 |
| R16.htm | 52759 | 2017-11-06 18:11:48 |
| R17.htm | 116127 | 2017-11-06 18:11:48 |
| R18.htm | 147564 | 2017-11-06 18:11:48 |
| R19.htm | 71128 | 2017-11-06 18:11:48 |
| R2.htm | 94051 | 2017-11-06 18:11:48 |
| R20.htm | 39030 | 2017-11-06 18:11:48 |
| R21.htm | 316675 | 2017-11-06 18:11:48 |
| R22.htm | 102497 | 2017-11-06 18:11:48 |
| R23.htm | 6436 | 2017-11-06 18:11:48 |
| R24.htm | 426785 | 2017-11-06 18:11:48 |
| R25.htm | 256529 | 2017-11-06 18:11:48 |
| R26.htm | 63926 | 2017-11-06 18:11:48 |
| R27.htm | 27266 | 2017-11-06 18:11:48 |
| R28.htm | 59167 | 2017-11-06 18:11:48 |
| R29.htm | 49210 | 2017-11-06 18:11:48 |
| R3.htm | 23494 | 2017-11-06 18:11:48 |
| R30.htm | 108411 | 2017-11-06 18:11:48 |
| R31.htm | 139689 | 2017-11-06 18:11:48 |
| R32.htm | 68597 | 2017-11-06 18:11:48 |
| R33.htm | 37050 | 2017-11-06 18:11:48 |
| R34.htm | 316920 | 2017-11-06 18:11:48 |
| R35.htm | 98114 | 2017-11-06 18:11:48 |
| R36.htm | 37283 | 2017-11-06 18:11:48 |
| R37.htm | 22197 | 2017-11-06 18:11:48 |
| R38.htm | 25207 | 2017-11-06 18:11:48 |
| R39.htm | 17730 | 2017-11-06 18:11:48 |
| R4.htm | 115064 | 2017-11-06 18:11:48 |
| R40.htm | 9037 | 2017-11-06 18:11:48 |
| R41.htm | 44961 | 2017-11-06 18:11:48 |
| R42.htm | 15405 | 2017-11-06 18:11:48 |
| R43.htm | 22203 | 2017-11-06 18:11:48 |
| R44.htm | 53193 | 2017-11-06 18:11:48 |
| R45.htm | 38988 | 2017-11-06 18:11:48 |
| R46.htm | 44617 | 2017-11-06 18:11:48 |
| R47.htm | 25885 | 2017-11-06 18:11:48 |
| R48.htm | 44382 | 2017-11-06 18:11:48 |
| R49.htm | 11049 | 2017-11-06 18:11:48 |
| R5.htm | 25578 | 2017-11-06 18:11:48 |
| R50.htm | 53571 | 2017-11-06 18:11:48 |
| R51.htm | 40732 | 2017-11-06 18:11:48 |
| R52.htm | 12698 | 2017-11-06 18:11:48 |
| R53.htm | 13252 | 2017-11-06 18:11:48 |
| R54.htm | 51825 | 2017-11-06 18:11:48 |
| R55.htm | 35174 | 2017-11-06 18:11:48 |
| R56.htm | 5650 | 2017-11-06 18:11:48 |
| R57.htm | 17346 | 2017-11-06 18:11:48 |
| R58.htm | 13389 | 2017-11-06 18:11:48 |
| R59.htm | 22319 | 2017-11-06 18:11:48 |
| R6.htm | 46637 | 2017-11-06 18:11:48 |
| R60.htm | 11096 | 2017-11-06 18:11:48 |
| R61.htm | 23176 | 2017-11-06 18:11:48 |
| R62.htm | 6093 | 2017-11-06 18:11:48 |
| R63.htm | 17444 | 2017-11-06 18:11:48 |
| R64.htm | 38856 | 2017-11-06 18:11:48 |
| R65.htm | 6061 | 2017-11-06 18:11:48 |
| R66.htm | 38348 | 2017-11-06 18:11:48 |
| R67.htm | 9045 | 2017-11-06 18:11:48 |
| R68.htm | 44674 | 2017-11-06 18:11:48 |
| R69.htm | 5950 | 2017-11-06 18:11:48 |
| R7.htm | 6181 | 2017-11-06 18:11:48 |
| R70.htm | 18689 | 2017-11-06 18:11:48 |
| R71.htm | 26100 | 2017-11-06 18:11:48 |
| R72.htm | 22411 | 2017-11-06 18:11:48 |
| R73.htm | 53644 | 2017-11-06 18:11:48 |
| R74.htm | 8886 | 2017-11-06 18:11:48 |
| R75.htm | 40486 | 2017-11-06 18:11:48 |
| R76.htm | 38058 | 2017-11-06 18:11:48 |
| R77.htm | 26817 | 2017-11-06 18:11:48 |
| R78.htm | 17682 | 2017-11-06 18:11:48 |
| R79.htm | 14858 | 2017-11-06 18:11:48 |
| R8.htm | 107356 | 2017-11-06 18:11:48 |
| R80.htm | 28026 | 2017-11-06 18:11:48 |
| R81.htm | 8996 | 2017-11-06 18:11:48 |
| R82.htm | 63884 | 2017-11-06 18:11:48 |
| R83.htm | 45181 | 2017-11-06 18:11:48 |
| R84.htm | 15588 | 2017-11-06 18:11:48 |
| R85.htm | 30793 | 2017-11-06 18:11:48 |
| R86.htm | 26112 | 2017-11-06 18:11:48 |
| R87.htm | 106802 | 2017-11-06 18:11:48 |
| R9.htm | 8801 | 2017-11-06 18:11:48 |
| report.css | 2768 | 2017-11-06 18:11:48 |
| Show.js | 1410 | 2017-11-06 18:11:48 |