XML 75 R64.htm IDEA: XBRL DOCUMENT
v3.20.2

Loans (Recorded Investment of Risk Category of Loans by Class) (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Jan. 01, 2020 | Dec. 31, 2019
--- | --- | --- | ---
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total | $ 3,225,232 |  | $ 3,081,973
Commercial Real Estate Loans |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total | 1,453,280 | $ 1,500,247 | 1,495,862
Agricultural Loans |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total | 376,215 | $ 384,654 | 384,526
Pass |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total |  |  | 2,336,007
Pass | Acquired with Deteriorated Credit Quality |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total |  |  | 68
Pass | Acquired with Deteriorated Credit Quality | Loans Acquired In Current Year |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total |  |  | 254,629
Pass | Commercial and Industrial Loans and Leases |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total |  |  | 556,706
Pass | Commercial Real Estate Loans |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total | 1,406,558 |  | 1,453,310
Pass | Agricultural Loans |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total | 304,866 |  | 325,991
Special Mention |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total |  |  | 99,228
Special Mention | Acquired with Deteriorated Credit Quality |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total |  |  | 613
Special Mention | Acquired with Deteriorated Credit Quality | Loans Acquired In Current Year |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total |  |  | 16,535
Special Mention | Commercial and Industrial Loans and Leases |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total |  |  | 19,671
Special Mention | Commercial Real Estate Loans |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total | 27,319 |  | 30,504
Special Mention | Agricultural Loans |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total | 58,274 |  | 49,053
Substandard |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total |  |  | 46,903
Substandard | Acquired with Deteriorated Credit Quality |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total |  |  | 11,060
Substandard | Acquired with Deteriorated Credit Quality | Loans Acquired In Current Year |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total |  |  | 12,769
Substandard | Commercial and Industrial Loans and Leases |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total |  |  | 15,026
Substandard | Commercial Real Estate Loans |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total | 19,403 |  | 16,050
Substandard | Agricultural Loans |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total | 13,075 |  | 15,827
Doubtful |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total |  |  | 0
Doubtful | Acquired with Deteriorated Credit Quality |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total |  |  | 0
Doubtful | Acquired with Deteriorated Credit Quality | Loans Acquired In Current Year |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total |  |  | 0
Doubtful | Commercial and Industrial Loans and Leases |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total |  |  | 0
Doubtful | Commercial Real Estate Loans |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total | 0 |  | 0
Doubtful | Agricultural Loans |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total | $ 0 |  | 0
Total |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total |  |  | 2,482,138
Total | Acquired with Deteriorated Credit Quality |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total |  |  | 11,741
Total | Acquired with Deteriorated Credit Quality | Loans Acquired In Current Year |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total |  |  | 283,933
Total | Commercial and Industrial Loans and Leases |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total |  |  | 591,403
Total | Commercial Real Estate Loans |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total |  |  | 1,499,864
Total | Agricultural Loans |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total |  |  | $ 390,871

X
- Definition Amount, before allowance for credit loss and fee, of financing receivable. Excludes financing receivable covered under loss sharing agreement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919230-210447 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121593590&loc=d3e4428-111522 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(7)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
Name: | us-gaap_FinancingReceivableBeforeAllowanceForCreditLossAndFee
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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_InternalCreditAssessmentAxis=us-gaap_PassMember
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_BusinessAcquisitionAxis=gabc_LoansAcquiredInCurrentYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_SpecialMentionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_SubstandardMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=us-gaap_DoubtfulMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InternalCreditAssessmentAxis=gabc_FinancialAssetTotalPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |