XML 61 R50.htm IDEA: XBRL DOCUMENT
v3.21.2

Loans (Allowance for Credit Losses) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance | $ 39,995 | $ 42,431 | $ 46,859 | $ 16,278
Provision (Benefit) for credit loss expense | (2,000) | 4,500 | (8,500) | 15,550
Initial allowance on loans purchased with credit deterioration |  |  |  | 0
Loans charged-off | (279) | (322) | (892) | (1,090)
Recoveries collected | 82 | 159 | 331 | 377
Total ending allowance balance | 37,798 | 46,768 | 37,798 | 46,768
Impact of ASC 326 Adoption | Non-PCD Loans |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance |  |  |  | 8,767
Impact of ASC 326 Adoption | PCD Loans |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance |  |  |  | 6,886
Commercial and Industrial Loans |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance | 6,080 | 8,787 | 6,445 | 4,799
Provision (Benefit) for credit loss expense | 1,965 | (1,017) | 1,747 | (1,182)
Initial allowance on loans purchased with credit deterioration |  |  |  | 0
Loans charged-off | 0 | (73) | (190) | (369)
Recoveries collected | 9 | 3 | 52 | 16
Total ending allowance balance | 8,054 | 7,700 | 8,054 | 7,700
Commercial and Industrial Loans | Impact of ASC 326 Adoption | Non-PCD Loans |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance |  |  |  | 2,245
Commercial and Industrial Loans | Impact of ASC 326 Adoption | PCD Loans |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance |  |  |  | 2,191
Commercial Real Estate Loans |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance | 24,220 | 22,369 | 29,878 | 4,692
Provision (Benefit) for credit loss expense | (2,833) | 5,931 | (8,502) | 16,145
Initial allowance on loans purchased with credit deterioration |  |  |  | 0
Loans charged-off | 0 | (9) | (10) | (9)
Recoveries collected | 5 | 91 | 26 | 106
Total ending allowance balance | 21,392 | 28,382 | 21,392 | 28,382
Commercial Real Estate Loans | Impact of ASC 326 Adoption | Non-PCD Loans |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance |  |  |  | 3,063
Commercial Real Estate Loans | Impact of ASC 326 Adoption | PCD Loans |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance |  |  |  | 4,385
Agricultural Loans |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance | 5,847 | 7,030 | 6,756 | 5,315
Provision (Benefit) for credit loss expense | (1,152) | (315) | (2,061) | (166)
Initial allowance on loans purchased with credit deterioration |  |  |  | 0
Loans charged-off | 0 | 0 | 0 | 0
Recoveries collected | 0 | 0 | 0 | 0
Total ending allowance balance | 4,695 | 6,715 | 4,695 | 6,715
Agricultural Loans | Impact of ASC 326 Adoption | Non-PCD Loans |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance |  |  |  | 1,438
Agricultural Loans | Impact of ASC 326 Adoption | PCD Loans |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance |  |  |  | 128
Leases |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance | 204 | 202 | 200 | 0
Provision (Benefit) for credit loss expense | (1) | 4 | 3 | 101
Initial allowance on loans purchased with credit deterioration |  |  |  | 0
Loans charged-off | 0 | 0 | 0 | 0
Recoveries collected | 0 | 0 | 0 | 0
Total ending allowance balance | 203 | 206 | 203 | 206
Leases | Impact of ASC 326 Adoption | Non-PCD Loans |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance |  |  |  | 105
Leases | Impact of ASC 326 Adoption | PCD Loans |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance |  |  |  | 0
Consumer Loans |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance | 460 | 496 | 490 | 434
Provision (Benefit) for credit loss expense | 167 | 70 | 234 | 385
Initial allowance on loans purchased with credit deterioration |  |  |  | 0
Loans charged-off | (204) | (138) | (472) | (520)
Recoveries collected | 60 | 64 | 231 | 252
Total ending allowance balance | 483 | 492 | 483 | 492
Consumer Loans | Impact of ASC 326 Adoption | Non-PCD Loans |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance |  |  |  | (59)
Consumer Loans | Impact of ASC 326 Adoption | PCD Loans |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance |  |  |  | 0
Home Equity Loans |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance | 908 | 1,062 | 996 | 200
Provision (Benefit) for credit loss expense | 124 | 0 | 30 | 65
Initial allowance on loans purchased with credit deterioration |  |  |  | 0
Loans charged-off | (15) | (67) | (15) | (67)
Recoveries collected | 0 | 0 | 6 | 0
Total ending allowance balance | 1,017 | 995 | 1,017 | 995
Home Equity Loans | Impact of ASC 326 Adoption | Non-PCD Loans |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance |  |  |  | 762
Home Equity Loans | Impact of ASC 326 Adoption | PCD Loans |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance |  |  |  | 35
Credit Cards |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance | 181 | 125 | 150 | 0
Provision (Benefit) for credit loss expense | 19 | 39 | 186 | 98
Initial allowance on loans purchased with credit deterioration |  |  |  | 0
Loans charged-off | (16) | (27) | (158) | (86)
Recoveries collected | 8 | 0 | 14 | 1
Total ending allowance balance | 192 | 137 | 192 | 137
Credit Cards | Impact of ASC 326 Adoption | Non-PCD Loans |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance |  |  |  | 124
Credit Cards | Impact of ASC 326 Adoption | PCD Loans |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance |  |  |  | 0
Residential Mortgage Loans |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance | 2,095 | 2,360 | 1,944 | 333
Provision (Benefit) for credit loss expense | (289) | (212) | (137) | 104
Initial allowance on loans purchased with credit deterioration |  |  |  | 0
Loans charged-off | (44) | (8) | (47) | (39)
Recoveries collected | 0 | 1 | 2 | 2
Total ending allowance balance | 1,762 | 2,141 | 1,762 | 2,141
Residential Mortgage Loans | Impact of ASC 326 Adoption | Non-PCD Loans |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance |  |  |  | 1,594
Residential Mortgage Loans | Impact of ASC 326 Adoption | PCD Loans |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance |  |  |  | 147
Unallocated |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance | 0 | 0 | 0 | 505
Provision (Benefit) for credit loss expense | 0 | 0 | 0 | 0
Initial allowance on loans purchased with credit deterioration |  |  |  | 0
Loans charged-off | 0 | 0 | 0 | 0
Recoveries collected | 0 | 0 | 0 | 0
Total ending allowance balance | $ 0 | $ 0 | $ 0 | 0
Unallocated | Impact of ASC 326 Adoption | Non-PCD Loans |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance |  |  |  | (505)
Unallocated | Impact of ASC 326 Adoption | PCD Loans |  |  |  |
Allowance for Credit Losses [Roll Forward] |  |  |  |
Beginning balance |  |  |  | $ 0

X
- Definition Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
Name: | us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of increase in allowance for credit loss on financing receivable purchased with credit deterioration. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossPurchasedWithCreditDeteriorationIncrease
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of increase in allowance for credit loss on financing receivable from recovery. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 79 -URI http://asc.fasb.org/extlink&oid=124267575&loc=SL82922352-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of credit loss expense (reversal of expense) for financing receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919249-210447 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(11)) -URI http://asc.fasb.org/extlink&oid=120399700&loc=SL114874048-224260 + Details
Name: | us-gaap_ProvisionForLoanLossesExpensed
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | srt_CumulativeEffectPeriodOfAdoptionAxis=srt_CumulativeEffectPeriodOfAdoptionAdjustmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditLossStatusAxis=us-gaap_FinancialAssetOtherThanFinancialAssetAcquiredWithCreditDeteriorationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditLossStatusAxis=us-gaap_FinancialAssetAcquiredWithCreditDeteriorationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=gabc_CommercialAndIndustrialMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_CommercialRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=gabc_AgriculturalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=gabc_LeasesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ConsumerLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_HomeEquityLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_CreditCardReceivablesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ResidentialMortgageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_UnallocatedFinancingReceivablesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |