Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000898432-20-000503-index-headers.html | 2020-04-17 17:19:31 | |
| 0000898432-20-000503-index.html | 2020-04-17 17:19:31 | |
| 0000898432-20-000503.txt | 2020-04-17 17:19:31 | |
 0000898432-20-000503-xbrl.zip | 140131 | 2020-04-17 17:19:31 |
| a497.htm | 5110 | 2020-04-17 17:19:31 |
| cst-20200320.xml | 80973 | 2020-04-17 17:19:31 |
| cst-20200320.xsd | 34075 | 2020-04-17 17:19:31 |
| cst-20200320_def.xml | 1146960 | 2020-04-17 17:19:31 |
| cst-20200320_lab.xml | 257572 | 2020-04-17 17:19:31 |
| cst-20200320_pre.xml | 1224649 | 2020-04-17 17:19:31 |
| FilingSummary.xml | 17277 | 2020-04-17 17:19:31 |
| Financial_Report.xlsx | 20998 | 2020-04-17 17:19:31 |
| R1.htm | 17847 | 2020-04-17 17:19:31 |
| R10.htm | 7750 | 2020-04-17 17:19:31 |
| R11.htm | 9805 | 2020-04-17 17:19:31 |
| R12.htm | 7754 | 2020-04-17 17:19:31 |
| R13.htm | 9809 | 2020-04-17 17:19:31 |
| R14.htm | 7748 | 2020-04-17 17:19:31 |
| R15.htm | 9802 | 2020-04-17 17:19:31 |
| R16.htm | 7736 | 2020-04-17 17:19:31 |
| R17.htm | 9791 | 2020-04-17 17:19:31 |
| R18.htm | 7740 | 2020-04-17 17:19:31 |
| R19.htm | 9795 | 2020-04-17 17:19:31 |
| R2.htm | 8070 | 2020-04-17 17:19:31 |
| R20.htm | 8060 | 2020-04-17 17:19:31 |
| R21.htm | 10115 | 2020-04-17 17:19:31 |
| R22.htm | 8069 | 2020-04-17 17:19:31 |
| R23.htm | 10123 | 2020-04-17 17:19:31 |
| R24.htm | 8090 | 2020-04-17 17:19:31 |
| R25.htm | 10145 | 2020-04-17 17:19:31 |
| R26.htm | 3933 | 2020-04-17 17:19:31 |
| R3.htm | 10125 | 2020-04-17 17:19:31 |
| R4.htm | 7815 | 2020-04-17 17:19:31 |
| R5.htm | 9870 | 2020-04-17 17:19:31 |
| R6.htm | 9281 | 2020-04-17 17:19:31 |
| R7.htm | 11336 | 2020-04-17 17:19:31 |
| R8.htm | 7769 | 2020-04-17 17:19:31 |
| R9.htm | 9828 | 2020-04-17 17:19:31 |
| report.css | 2767 | 2020-04-17 17:19:31 |
| Show.js | 1084 | 2020-04-17 17:19:31 |