XML 55 R45.htm IDEA: XBRL DOCUMENT
v3.22.1

Commitments and Contingencies - Commitments to Extend Credit and Letters of Credit (Details) - USD ($) $ in Thousands | Apr. 13, 2022 | Mar. 31, 2022 | Dec. 31, 2021 | Mar. 31, 2021
--- | --- | --- | --- | ---
Subsequent Event |  |  |  |
Loan Commitments and Letters of Credit [Line Items] |  |  |  |
Loss contingency accrual | $ 1,500 |  |  |
Commitments to Extend Credit |  |  |  |
Loan Commitments and Letters of Credit [Line Items] |  |  |  |
Notional Amount |  | $ 438,055 | $ 402,280 | $ 437,920
Fair Value |  | 0 | 0 | 0
Standby Letters of Credit |  |  |  |
Loan Commitments and Letters of Credit [Line Items] |  |  |  |
Notional Amount |  | 3,351 | 3,223 | 3,775
Fair Value |  | $ 23 | $ 24 | $ 12
Minimum | Standby Letters of Credit |  |  |  |
Loan Commitments and Letters of Credit [Line Items] |  |  |  |
Loan commitments, fixed fee percent |  | 1.00% |  |
Maximum | Standby Letters of Credit |  |  |  |
Loan Commitments and Letters of Credit [Line Items] |  |  |  |
Loan commitments, fixed fee percent |  | 3.00% |  |

X
- Definition Financing Receivable, Loan Commitments, Fixed Fees, Percent + References No definition available. + Details
Name: | arow_FinancingReceivableLoanCommitmentsFixedFeesPercent
Namespace Prefix: | arow_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The fair value of financial assets, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611 + Details
Name: | us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountAsset
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The face amount of financial assets, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition. + References No definition available. + Details
Name: | us-gaap_FairValueDisclosureOffbalanceSheetRisksFaceAmountAsset
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_FairValueOffBalanceSheetRisksDisclosureInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of loss contingency liability. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 + Details
Name: | us-gaap_LossContingencyAccrualAtCarryingValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_CommitmentsToExtendCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_StandbyLettersOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |