XML 75 R64.htm IDEA: XBRL DOCUMENT
v3.19.2

Fair Value (Assets and Liabilities Measured at Fair Value on Recurring Basis) (Details) - USD ($) $ in Thousands | Jun. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Loans Held-for-Sale | $ 14,184 | $ 4,263
Fair Value, Measurements, Recurring |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Securities | 840,692 | 812,611
Loans Held-for-Sale | 14,184 | 4,263
Derivative Assets | 2,381 | 1,713
Derivative Liabilities | 2,607 | 1,734
Fair Value, Measurements, Recurring | Obligations of State and Political Subdivisions |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Securities | 303,284 | 294,533
Fair Value, Measurements, Recurring | MBS/CMO - Residential |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Securities | 537,408 | 518,078
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Securities | 0 | 0
Loans Held-for-Sale | 0 | 0
Derivative Assets | 0 | 0
Derivative Liabilities | 0 | 0
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Obligations of State and Political Subdivisions |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Securities | 0 | 0
Fair Value, Measurements, Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | MBS/CMO - Residential |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Securities | 0 | 0
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Securities | 836,186 | 807,620
Loans Held-for-Sale | 14,184 | 4,263
Derivative Assets | 2,381 | 1,713
Derivative Liabilities | 2,607 | 1,734
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | Obligations of State and Political Subdivisions |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Securities | 298,778 | 289,542
Fair Value, Measurements, Recurring | Significant Other Observable Inputs (Level 2) | MBS/CMO - Residential |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Securities | 537,408 | 518,078
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Securities | 4,506 | 4,991
Loans Held-for-Sale | 0 | 0
Derivative Assets | 0 | 0
Derivative Liabilities | 0 | 0
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | Obligations of State and Political Subdivisions |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Securities | 4,506 | 4,991
Fair Value, Measurements, Recurring | Significant Unobservable Inputs (Level 3) | MBS/CMO - Residential |  |
Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Securities | $ 0 | $ 0

X
- Definition Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] + References No definition available. + Details
Name: | gabc_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisLineItems
Namespace Prefix: | gabc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value as of the balance sheet date of all derivative assets not designated as hedging instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959 + Details
Name: | us-gaap_InterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value as of the balance sheet date of all derivative liabilities not designated as hedging instruments. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959 + Details
Name: | us-gaap_InterestRateDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258 + Details
Name: | us-gaap_InvestmentsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables. + References No definition available. + Details
Name: | us-gaap_LoansHeldForSaleFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_USStatesAndPoliticalSubdivisionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByAssetClassAxis=us-gaap_ResidentialMortgageBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |