Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001490906-22-000029-index-headers.html | 2022-08-08 10:02:58 | |
| 0001490906-22-000029-index.html | 2022-08-08 10:02:58 | |
| 0001490906-22-000029.txt | 2022-08-08 10:02:58 | |
 0001490906-22-000029-xbrl.zip | 396601 | 2022-08-08 10:02:58 |
| cffn-063022xex311.htm | 10419 | 2022-08-08 10:02:58 |
| cffn-063022xex312.htm | 10259 | 2022-08-08 10:02:58 |
| cffn-063022xex32.htm | 9170 | 2022-08-08 10:02:58 |
| cffn-20220630.htm | 4994398 | 2022-08-08 10:02:58 |
| cffn-20220630.xsd | 30078 | 2022-08-08 10:02:58 |
| cffn-20220630_cal.xml | 98070 | 2022-08-08 10:02:58 |
| cffn-20220630_def.xml | 274459 | 2022-08-08 10:02:58 |
| cffn-20220630_htm.xml | 4032072 | 2022-08-08 10:02:58 |
| cffn-20220630_lab.xml | 516522 | 2022-08-08 10:02:58 |
| cffn-20220630_pre.xml | 415618 | 2022-08-08 10:02:58 |
| FilingSummary.xml | 31110 | 2022-08-08 10:02:58 |
| Financial_Report.xlsx | 103118 | 2022-08-08 10:02:58 |
| MetaLinks.json | 603216 | 2022-08-08 10:02:58 |
| R1.htm | 52274 | 2022-08-08 10:02:58 |
| R10.htm | 12544 | 2022-08-08 10:02:58 |
| R11.htm | 34035 | 2022-08-08 10:02:58 |
| R12.htm | 108284 | 2022-08-08 10:02:58 |
| R13.htm | 825246 | 2022-08-08 10:02:58 |
| R14.htm | 12950 | 2022-08-08 10:02:58 |
| R15.htm | 115250 | 2022-08-08 10:02:58 |
| R16.htm | 63541 | 2022-08-08 10:02:58 |
| R17.htm | 15154 | 2022-08-08 10:02:58 |
| R18.htm | 33592 | 2022-08-08 10:02:58 |
| R19.htm | 112913 | 2022-08-08 10:02:58 |
| R2.htm | 79957 | 2022-08-08 10:02:58 |
| R20.htm | 817569 | 2022-08-08 10:02:58 |
| R21.htm | 101048 | 2022-08-08 10:02:58 |
| R22.htm | 62997 | 2022-08-08 10:02:58 |
| R23.htm | 10993 | 2022-08-08 10:02:58 |
| R24.htm | 53805 | 2022-08-08 10:02:58 |
| R25.htm | 7139 | 2022-08-08 10:02:58 |
| R26.htm | 24729 | 2022-08-08 10:02:58 |
| R27.htm | 28419 | 2022-08-08 10:02:58 |
| R28.htm | 33318 | 2022-08-08 10:02:58 |
| R29.htm | 9411 | 2022-08-08 10:02:58 |
| R3.htm | 26296 | 2022-08-08 10:02:58 |
| R30.htm | 13022 | 2022-08-08 10:02:58 |
| R31.htm | 24447 | 2022-08-08 10:02:58 |
| R32.htm | 48037 | 2022-08-08 10:02:58 |
| R33.htm | 135959 | 2022-08-08 10:02:58 |
| R34.htm | 140352 | 2022-08-08 10:02:58 |
| R35.htm | 70425 | 2022-08-08 10:02:58 |
| R36.htm | 27978 | 2022-08-08 10:02:58 |
| R37.htm | 36063 | 2022-08-08 10:02:58 |
| R38.htm | 31102 | 2022-08-08 10:02:58 |
| R39.htm | 68141 | 2022-08-08 10:02:58 |
| R4.htm | 112556 | 2022-08-08 10:02:58 |
| R40.htm | 14277 | 2022-08-08 10:02:58 |
| R41.htm | 45453 | 2022-08-08 10:02:58 |
| R42.htm | 30502 | 2022-08-08 10:02:58 |
| R43.htm | 53387 | 2022-08-08 10:02:58 |
| R44.htm | 46476 | 2022-08-08 10:02:58 |
| R45.htm | 53199 | 2022-08-08 10:02:58 |
| R5.htm | 24041 | 2022-08-08 10:02:58 |
| R6.htm | 8034 | 2022-08-08 10:02:58 |
| R7.htm | 71103 | 2022-08-08 10:02:58 |
| R8.htm | 5013 | 2022-08-08 10:02:58 |
| R9.htm | 108836 | 2022-08-08 10:02:58 |
| report.css | 2767 | 2022-08-08 10:02:58 |
| Show.js | 1085 | 2022-08-08 10:02:58 |