XML 41 R31.htm IDEA: XBRL DOCUMENT
v3.23.1

Other Comprehensive Income (Loss) (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2023
Equity [Abstract] |
Schedule of Changes in Accumulated Other Comprehensive Income (Loss) | The tables below summarize the changes in accumulated other comprehensive income (loss) by component for the three months ended March 31, 2023 and 2022, net of tax:
March 31, 2023 |  | Unrealized Gains and Losses on Available-for-Sale Securities |  | Postretirement Benefit Items |  | Total
Beginning Balance at January 1, 2023 |  | $ | (262,924) |  |  | $ | (514) |  |  | $ | (263,438) |
Other Comprehensive Income (Loss) Before Reclassification |  | 32,948 |  |  | — |  |  | 32,948 |
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) |  | (2) |  |  | — |  |  | (2) |
Net Current Period Other Comprehensive Income (Loss) |  | 32,946 |  |  | — |  |  | 32,946 |
Ending Balance at March 31, 2023 |  | $ | (229,978) |  |  | $ | (514) |  |  | $ | (230,492) |
March 31, 2022 |  | Unrealized Gains and Losses on Available-for-Sale Securities |  | Postretirement Benefit Items |  | Total
Beginning Balance at January 1, 2022 |  | $ | 16,052 |  |  | $ | (568) |  |  | $ | 15,484 |
Other Comprehensive Income (Loss) Before Reclassification |  | (133,591) |  |  | — |  |  | (133,591) |
Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) |  | (294) |  |  | — |  |  | (294) |
Net Current Period Other Comprehensive Income (Loss) |  | (133,885) |  |  | — |  |  | (133,885) |
Ending Balance at March 31, 2022 |  | $ | (117,833) |  |  | $ | (568) |  |  | $ | (118,401) |
Schedule of Classifications Out of Accumulated Other Comprehensive Income (Loss) | The tables below summarize the classifications out of accumulated other comprehensive income (loss) by component for the three months ended March 31, 2023 and 2022:
Details about Accumulated Other Comprehensive Income (Loss) Components |  | Amount Reclassified From Accumulated Other Comprehensive Income (Loss) |  | Affected Line Item in the Statement Where Net Income is Presented
Unrealized Gains and Losses on Available-for-Sale Securities |  | $ | 2 |  |  | Net Gains on Securities
|  | — |  |  | Income Tax Expense
|  | 2 |  |  | Net of Tax
Total Reclassifications for the Three Months Ended March 31, 2023 |  | $ | 2 |  |  |
Details about Accumulated Other Comprehensive Income (Loss) Components |  | Amount Reclassified From Accumulated Other Comprehensive Income (Loss) |  | Affected Line Item in the Statement Where Net Income is Presented
Unrealized Gains and Losses on Available-for-Sale Securities |  | $ | 372 |  |  | Net Gains on Securities
|  | (78) |  |  | Income Tax Expense
|  | 294 |  |  | Net of Tax
Total Reclassifications for the Three Months Ended March 31, 2022 |  | $ | 294 |  |  |

X
- Definition Classifications Out Of Accumulated Other Comprehensive Income + References No definition available. + Details
Name: | gabc_ClassificationsOutOfAccumulatedOtherComprehensiveIncomeTableTextBlock
Namespace Prefix: | gabc_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_EquityAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI https://asc.fasb.org/extlink&oid=126968391&loc=SL7669686-108580 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -URI https://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900 + Details
Name: | us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration