Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000950170-21-002708-index-headers.html | 2021-11-02 20:40:11 | |
| 0000950170-21-002708-index.html | 2021-11-02 20:40:11 | |
| 0000950170-21-002708.txt | 2021-11-02 20:40:11 | |
 0000950170-21-002708-xbrl.zip | 539465 | 2021-11-02 20:40:11 |
| ava-20210930.htm | 5229266 | 2021-11-02 20:40:11 |
| ava-20210930.xsd | 79393 | 2021-11-02 20:40:11 |
| ava-20210930_cal.xml | 84593 | 2021-11-02 20:40:11 |
| ava-20210930_def.xml | 258711 | 2021-11-02 20:40:11 |
| ava-20210930_htm.xml | 6200672 | 2021-11-02 20:40:11 |
| ava-20210930_lab.xml | 586755 | 2021-11-02 20:40:11 |
| ava-20210930_pre.xml | 454346 | 2021-11-02 20:40:11 |
| ava-ex15.htm | 4480 | 2021-11-02 20:40:11 |
| ava-ex31_1.htm | 17957 | 2021-11-02 20:40:11 |
| ava-ex31_2.htm | 19187 | 2021-11-02 20:40:11 |
| ava-ex32.htm | 12336 | 2021-11-02 20:40:11 |
| FilingSummary.xml | 54462 | 2021-11-02 20:40:11 |
| Financial_Report.xlsx | 127519 | 2021-11-02 20:40:11 |
 img148294276_0.jpg | 25831 | 2021-11-02 20:40:11 |
 img148294276_1.jpg | 28569 | 2021-11-02 20:40:11 |
 img148294276_10.jpg | 22196 | 2021-11-02 20:40:11 |
 img148294276_11.jpg | 20648 | 2021-11-02 20:40:11 |
 img148294276_12.jpg | 21377 | 2021-11-02 20:40:11 |
 img148294276_13.jpg | 17674 | 2021-11-02 20:40:11 |
 img148294276_2.jpg | 25049 | 2021-11-02 20:40:11 |
 img148294276_3.jpg | 22284 | 2021-11-02 20:40:11 |
 img148294276_4.jpg | 23191 | 2021-11-02 20:40:11 |
 img148294276_5.jpg | 19726 | 2021-11-02 20:40:11 |
 img148294276_6.jpg | 21545 | 2021-11-02 20:40:11 |
 img148294276_7.jpg | 16956 | 2021-11-02 20:40:11 |
 img148294276_8.jpg | 24374 | 2021-11-02 20:40:11 |
 img148294276_9.jpg | 22669 | 2021-11-02 20:40:11 |
| MetaLinks.json | 890688 | 2021-11-02 20:40:11 |
| R1.htm | 53828 | 2021-11-02 20:40:11 |
| R10.htm | 15233 | 2021-11-02 20:40:11 |
| R11.htm | 354247 | 2021-11-02 20:40:11 |
| R12.htm | 439573 | 2021-11-02 20:40:11 |
| R13.htm | 444486 | 2021-11-02 20:40:11 |
| R14.htm | 117821 | 2021-11-02 20:40:11 |
| R15.htm | 154793 | 2021-11-02 20:40:11 |
| R16.htm | 34880 | 2021-11-02 20:40:11 |
| R17.htm | 34998 | 2021-11-02 20:40:11 |
| R18.htm | 9930 | 2021-11-02 20:40:11 |
| R19.htm | 28837 | 2021-11-02 20:40:11 |
| R2.htm | 87312 | 2021-11-02 20:40:11 |
| R20.htm | 425322 | 2021-11-02 20:40:11 |
| R21.htm | 11487 | 2021-11-02 20:40:11 |
| R22.htm | 78365 | 2021-11-02 20:40:11 |
| R23.htm | 78963 | 2021-11-02 20:40:11 |
| R24.htm | 32657 | 2021-11-02 20:40:11 |
| R25.htm | 427848 | 2021-11-02 20:40:11 |
| R26.htm | 54616 | 2021-11-02 20:40:11 |
| R27.htm | 361767 | 2021-11-02 20:40:11 |
| R28.htm | 423661 | 2021-11-02 20:40:11 |
| R29.htm | 438866 | 2021-11-02 20:40:11 |
| R3.htm | 28428 | 2021-11-02 20:40:11 |
| R30.htm | 109225 | 2021-11-02 20:40:11 |
| R31.htm | 150676 | 2021-11-02 20:40:11 |
| R32.htm | 26909 | 2021-11-02 20:40:11 |
| R33.htm | 21910 | 2021-11-02 20:40:11 |
| R34.htm | 417252 | 2021-11-02 20:40:11 |
| R35.htm | 78723 | 2021-11-02 20:40:11 |
| R36.htm | 77348 | 2021-11-02 20:40:11 |
| R37.htm | 422421 | 2021-11-02 20:40:11 |
| R38.htm | 11099 | 2021-11-02 20:40:11 |
| R39.htm | 14597 | 2021-11-02 20:40:11 |
| R4.htm | 5616 | 2021-11-02 20:40:11 |
| R40.htm | 11853 | 2021-11-02 20:40:11 |
| R41.htm | 21762 | 2021-11-02 20:40:11 |
| R42.htm | 20982 | 2021-11-02 20:40:11 |
| R43.htm | 19536 | 2021-11-02 20:40:11 |
| R44.htm | 64128 | 2021-11-02 20:40:11 |
| R45.htm | 4364 | 2021-11-02 20:40:11 |
| R46.htm | 4597 | 2021-11-02 20:40:11 |
| R47.htm | 4333 | 2021-11-02 20:40:11 |
| R48.htm | 99051 | 2021-11-02 20:40:11 |
| R49.htm | 34539 | 2021-11-02 20:40:11 |
| R5.htm | 110268 | 2021-11-02 20:40:11 |
| R50.htm | 21814 | 2021-11-02 20:40:11 |
| R51.htm | 12849 | 2021-11-02 20:40:11 |
| R52.htm | 19309 | 2021-11-02 20:40:11 |
| R53.htm | 40711 | 2021-11-02 20:40:11 |
| R54.htm | 17114 | 2021-11-02 20:40:11 |
| R55.htm | 12244 | 2021-11-02 20:40:11 |
| R56.htm | 28132 | 2021-11-02 20:40:11 |
| R57.htm | 43175 | 2021-11-02 20:40:11 |
| R58.htm | 12666 | 2021-11-02 20:40:11 |
| R59.htm | 19952 | 2021-11-02 20:40:11 |
| R6.htm | 13226 | 2021-11-02 20:40:11 |
| R60.htm | 11181 | 2021-11-02 20:40:11 |
| R61.htm | 14597 | 2021-11-02 20:40:11 |
| R62.htm | 9142 | 2021-11-02 20:40:11 |
| R63.htm | 31846 | 2021-11-02 20:40:11 |
| R64.htm | 24156 | 2021-11-02 20:40:11 |
| R65.htm | 10148 | 2021-11-02 20:40:11 |
| R66.htm | 22421 | 2021-11-02 20:40:11 |
| R67.htm | 18004 | 2021-11-02 20:40:11 |
| R68.htm | 78534 | 2021-11-02 20:40:11 |
| R69.htm | 25797 | 2021-11-02 20:40:11 |
| R7.htm | 99842 | 2021-11-02 20:40:11 |
| R70.htm | 12485 | 2021-11-02 20:40:11 |
| R71.htm | 13270 | 2021-11-02 20:40:11 |
| R72.htm | 5569 | 2021-11-02 20:40:11 |
| R73.htm | 4726 | 2021-11-02 20:40:11 |
| R74.htm | 23131 | 2021-11-02 20:40:11 |
| R75.htm | 41075 | 2021-11-02 20:40:11 |
| R76.htm | 5117 | 2021-11-02 20:40:11 |
| R77.htm | 25585 | 2021-11-02 20:40:11 |
| R78.htm | 4395 | 2021-11-02 20:40:11 |
| R79.htm | 75915 | 2021-11-02 20:40:11 |
| R8.htm | 61686 | 2021-11-02 20:40:11 |
| R9.htm | 17440 | 2021-11-02 20:40:11 |
| report.css | 2768 | 2021-11-02 20:40:11 |
| Show.js | 1086 | 2021-11-02 20:40:11 |