Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0000714395-22-000021-index-headers.html | 2022-05-10 16:12:08 | |
| 0000714395-22-000021-index.html | 2022-05-10 16:12:08 | |
| 0000714395-22-000021.txt | 2022-05-10 16:12:08 | |
 0000714395-22-000021-xbrl.zip | 449723 | 2022-05-10 16:12:08 |
| exhibit311-q12022.htm | 8751 | 2022-05-10 16:12:08 |
| exhibit312-q12022.htm | 9109 | 2022-05-10 16:12:08 |
| exhibit321-q12022.htm | 4572 | 2022-05-10 16:12:08 |
| exhibit322-q12022.htm | 4896 | 2022-05-10 16:12:08 |
| FilingSummary.xml | 47636 | 2022-05-10 16:12:08 |
| Financial_Report.xlsx | 137394 | 2022-05-10 16:12:08 |
| gabc-20220331.htm | 3649131 | 2022-05-10 16:12:08 |
| gabc-20220331.xsd | 70008 | 2022-05-10 16:12:08 |
| gabc-20220331_cal.xml | 134336 | 2022-05-10 16:12:08 |
| gabc-20220331_def.xml | 460404 | 2022-05-10 16:12:08 |
| gabc-20220331_htm.xml | 4408936 | 2022-05-10 16:12:08 |
| gabc-20220331_lab.xml | 924458 | 2022-05-10 16:12:08 |
| gabc-20220331_pre.xml | 665114 | 2022-05-10 16:12:08 |
| MetaLinks.json | 928886 | 2022-05-10 16:12:08 |
| R1.htm | 52319 | 2022-05-10 16:12:08 |
| R10.htm | 17093 | 2022-05-10 16:12:08 |
| R11.htm | 21390 | 2022-05-10 16:12:08 |
| R12.htm | 103937 | 2022-05-10 16:12:08 |
| R13.htm | 23834 | 2022-05-10 16:12:08 |
| R14.htm | 681457 | 2022-05-10 16:12:08 |
| R15.htm | 5232 | 2022-05-10 16:12:08 |
| R16.htm | 75281 | 2022-05-10 16:12:08 |
| R17.htm | 10178 | 2022-05-10 16:12:08 |
| R18.htm | 21440 | 2022-05-10 16:12:08 |
| R19.htm | 219292 | 2022-05-10 16:12:08 |
| R2.htm | 101150 | 2022-05-10 16:12:08 |
| R20.htm | 49608 | 2022-05-10 16:12:08 |
| R21.htm | 27509 | 2022-05-10 16:12:08 |
| R22.htm | 113662 | 2022-05-10 16:12:08 |
| R23.htm | 41951 | 2022-05-10 16:12:08 |
| R24.htm | 62725 | 2022-05-10 16:12:08 |
| R25.htm | 20405 | 2022-05-10 16:12:08 |
| R26.htm | 101782 | 2022-05-10 16:12:08 |
| R27.htm | 24781 | 2022-05-10 16:12:08 |
| R28.htm | 652623 | 2022-05-10 16:12:08 |
| R29.htm | 69657 | 2022-05-10 16:12:08 |
| R3.htm | 10844 | 2022-05-10 16:12:08 |
| R30.htm | 12935 | 2022-05-10 16:12:08 |
| R31.htm | 217486 | 2022-05-10 16:12:08 |
| R32.htm | 47754 | 2022-05-10 16:12:08 |
| R33.htm | 17946 | 2022-05-10 16:12:08 |
| R34.htm | 75383 | 2022-05-10 16:12:08 |
| R35.htm | 39799 | 2022-05-10 16:12:08 |
| R36.htm | 39032 | 2022-05-10 16:12:08 |
| R37.htm | 24768 | 2022-05-10 16:12:08 |
| R38.htm | 40982 | 2022-05-10 16:12:08 |
| R39.htm | 8886 | 2022-05-10 16:12:08 |
| R4.htm | 111369 | 2022-05-10 16:12:08 |
| R40.htm | 18775 | 2022-05-10 16:12:08 |
| R41.htm | 31285 | 2022-05-10 16:12:08 |
| R42.htm | 6234 | 2022-05-10 16:12:08 |
| R43.htm | 16686 | 2022-05-10 16:12:08 |
| R44.htm | 6902 | 2022-05-10 16:12:08 |
| R45.htm | 49016 | 2022-05-10 16:12:08 |
| R46.htm | 58191 | 2022-05-10 16:12:08 |
| R47.htm | 12262 | 2022-05-10 16:12:08 |
| R48.htm | 50164 | 2022-05-10 16:12:08 |
| R49.htm | 33478 | 2022-05-10 16:12:08 |
| R5.htm | 34500 | 2022-05-10 16:12:08 |
| R50.htm | 78302 | 2022-05-10 16:12:08 |
| R51.htm | 79445 | 2022-05-10 16:12:08 |
| R52.htm | 103895 | 2022-05-10 16:12:08 |
| R53.htm | 60229 | 2022-05-10 16:12:08 |
| R54.htm | 11981 | 2022-05-10 16:12:08 |
| R55.htm | 27139 | 2022-05-10 16:12:08 |
| R56.htm | 9844 | 2022-05-10 16:12:08 |
| R57.htm | 6368 | 2022-05-10 16:12:08 |
| R58.htm | 69590 | 2022-05-10 16:12:08 |
| R59.htm | 15087 | 2022-05-10 16:12:08 |
| R6.htm | 45801 | 2022-05-10 16:12:08 |
| R60.htm | 78038 | 2022-05-10 16:12:08 |
| R61.htm | 10807 | 2022-05-10 16:12:08 |
| R62.htm | 19109 | 2022-05-10 16:12:08 |
| R63.htm | 40600 | 2022-05-10 16:12:08 |
| R64.htm | 8497 | 2022-05-10 16:12:08 |
| R65.htm | 15161 | 2022-05-10 16:12:08 |
| R66.htm | 44592 | 2022-05-10 16:12:08 |
| R67.htm | 49451 | 2022-05-10 16:12:08 |
| R68.htm | 50520 | 2022-05-10 16:12:08 |
| R69.htm | 25512 | 2022-05-10 16:12:08 |
| R7.htm | 4504 | 2022-05-10 16:12:08 |
| R70.htm | 29156 | 2022-05-10 16:12:08 |
| R71.htm | 30691 | 2022-05-10 16:12:08 |
| R72.htm | 13976 | 2022-05-10 16:12:08 |
| R73.htm | 13510 | 2022-05-10 16:12:08 |
| R74.htm | 20553 | 2022-05-10 16:12:08 |
| R75.htm | 9330 | 2022-05-10 16:12:08 |
| R76.htm | 41949 | 2022-05-10 16:12:08 |
| R77.htm | 66650 | 2022-05-10 16:12:08 |
| R78.htm | 52104 | 2022-05-10 16:12:08 |
| R79.htm | 22082 | 2022-05-10 16:12:08 |
| R8.htm | 115154 | 2022-05-10 16:12:08 |
| R9.htm | 5836 | 2022-05-10 16:12:08 |
| report.css | 2767 | 2022-05-10 16:12:08 |
| Show.js | 1085 | 2022-05-10 16:12:08 |