XML 62 R51.htm IDEA: XBRL DOCUMENT
v3.19.2

Loans (Schedule of Aging of Recorded Investment in Loans) (Details) - USD ($) $ in Thousands | Jun. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Financing Receivable, Past Due [Line Items] |  |  |  |
Total | $ 2,732,452 | [1] | $ 2,744,042 | [2]
Total Past Due | 15,519 | [1] | 21,364 | [2]
Loans Not Past Due | 2,716,933 | [1] | 2,722,678 | [2]
Accrued interest included in recorded investment | 11,778 |  | 12,301 |
Loans Acquired With Deteriorated Credit Quality |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total | 10,029 |  | 11,556 |
Total Past Due | 1,860 |  | 2,592 |
Loans Not Past Due | 8,169 |  | 8,964 |
Loans Acquired With Deteriorated Credit Quality | Loans Acquired in Current Year |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total |  |  | 481,901 |
Total Past Due |  |  | 6,382 |
Loans Not Past Due |  |  | 475,519 |
Commercial and Industrial Loans and Leases |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total | 555,935 | [1] | 545,342 | [2]
Total Past Due | 800 |  | 5,669 |
Loans Not Past Due | 555,135 |  | 539,673 |
Commercial and Industrial Loans and Leases | Loans Acquired With Deteriorated Credit Quality |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total | 882 |  | 1,038 |
Commercial Real Estate Loans |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total | 1,216,906 | [1] | 1,211,882 | [2]
Total Past Due | 3,496 |  | 4,505 |
Loans Not Past Due | 1,213,410 |  | 1,207,377 |
Commercial Real Estate Loans | Loans Acquired With Deteriorated Credit Quality |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total | 5,629 |  | 6,993 |
Agricultural Loans |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total | 368,912 | [1] | 370,694 | [2]
Total Past Due | 2,472 |  | 1,642 |
Loans Not Past Due | 366,440 |  | 369,052 |
Agricultural Loans | Loans Acquired With Deteriorated Credit Quality |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total | 1,882 |  | 1,877 |
Home Equity Loans |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total | 204,350 | [1] | 209,009 | [2]
Total Past Due | 911 |  | 656 |
Loans Not Past Due | 203,439 |  | 208,353 |
Home Equity Loans | Loans Acquired With Deteriorated Credit Quality |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total | 368 |  | 365 |
Consumer Loans |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total | 77,824 | [1] | 77,761 | [2]
Total Past Due | 819 |  | 1,214 |
Loans Not Past Due | 77,005 |  | 76,547 |
Consumer Loans | Loans Acquired With Deteriorated Credit Quality |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total | 0 |  | 0 |
Residential Mortgage Loans |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total | 308,525 | [1] | 329,354 | [2]
Total Past Due | 7,021 |  | 7,678 |
Loans Not Past Due | 301,504 |  | 321,676 |
Residential Mortgage Loans | Loans Acquired With Deteriorated Credit Quality |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total | 1,268 |  | 1,283 |
30-59 Days Past Due |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Past Due | 9,691 | [1] | 12,958 | [2]
30-59 Days Past Due | Loans Acquired With Deteriorated Credit Quality |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Past Due | 860 |  | 448 |
30-59 Days Past Due | Loans Acquired With Deteriorated Credit Quality | Loans Acquired in Current Year |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Past Due |  |  | 2,571 |
30-59 Days Past Due | Commercial and Industrial Loans and Leases |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Past Due | 298 |  | 5,414 |
30-59 Days Past Due | Commercial Real Estate Loans |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Past Due | 1,562 |  | 768 |
30-59 Days Past Due | Agricultural Loans |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Past Due | 1,857 |  | 563 |
30-59 Days Past Due | Home Equity Loans |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Past Due | 609 |  | 471 |
30-59 Days Past Due | Consumer Loans |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Past Due | 690 |  | 971 |
30-59 Days Past Due | Residential Mortgage Loans |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Past Due | 4,675 |  | 4,771 |
60-89 Days Past Due |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Past Due | 2,118 | [1] | 3,432 | [2]
60-89 Days Past Due | Loans Acquired With Deteriorated Credit Quality |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Past Due | 26 |  | 885 |
60-89 Days Past Due | Loans Acquired With Deteriorated Credit Quality | Loans Acquired in Current Year |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Past Due |  |  | 1,620 |
60-89 Days Past Due | Commercial and Industrial Loans and Leases |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Past Due | 47 |  | 183 |
60-89 Days Past Due | Commercial Real Estate Loans |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Past Due | 467 |  | 705 |
60-89 Days Past Due | Agricultural Loans |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Past Due | 180 |  | 805 |
60-89 Days Past Due | Home Equity Loans |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Past Due | 213 |  | 125 |
60-89 Days Past Due | Consumer Loans |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Past Due | 46 |  | 94 |
60-89 Days Past Due | Residential Mortgage Loans |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Past Due | 1,165 |  | 1,520 |
90 Days or More Past Due |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Past Due | 3,710 | [1] | 4,974 | [2]
90 Days or More Past Due | Loans Acquired With Deteriorated Credit Quality |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Past Due | 974 |  | 1,259 |
90 Days or More Past Due | Loans Acquired With Deteriorated Credit Quality | Loans Acquired in Current Year |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Past Due |  |  | 2,191 |
90 Days or More Past Due | Commercial and Industrial Loans and Leases |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Past Due | 455 |  | 72 |
90 Days or More Past Due | Commercial Real Estate Loans |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Past Due | 1,467 |  | 3,032 |
90 Days or More Past Due | Agricultural Loans |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Past Due | 435 |  | 274 |
90 Days or More Past Due | Home Equity Loans |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Past Due | 89 |  | 60 |
90 Days or More Past Due | Consumer Loans |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Past Due | 83 |  | 149 |
90 Days or More Past Due | Residential Mortgage Loans |  |  |  |
Financing Receivable, Past Due [Line Items] |  |  |  |
Total Past Due | $ 1,181 |  | $ 1,387 |
[1] | Total recorded investment in loans includes $11,778 in accrued interest.
[2] | Total recorded investment in loans includes $12,301 in accrued interest.

X
- Definition Loans and Leases Receivable Accrued Interest + References No definition available. + Details
Name: | gabc_LoansAndLeasesReceivableAccruedInterest
Namespace Prefix: | gabc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of financing receivable not past due. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 80 -URI http://asc.fasb.org/extlink&oid=118955255&loc=SL82922355-210448 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919253-210447 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of financing receivable past due. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 55 -Paragraph 80 -URI http://asc.fasb.org/extlink&oid=118955255&loc=SL82922355-210448 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=119407570&loc=SL82919253-210447 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953401-111524 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentPastDue
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_FinancingReceivableRecordedInvestmentPastDueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount before allowance and after deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=118952595&loc=d3e4428-111522 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=118936363&loc=d3e5074-111524 + Details
Name: | us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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_FirstFinancialBancorpandFirstSecurityInc.Member
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_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=us-gaap_HomeEquityMember
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_ResidentialMortgageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables30To59DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivables60To89DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |