XML 57 R47.htm IDEA: XBRL DOCUMENT
v3.22.1

LOANS AND ALLOWANCE FOR LOAN AND LEASE LOSSES (Summary of Modified Loans that Continue to Accrue Interest Under the Terms of Restructuring Agreement) (Details) $ in Thousands | Mar. 31, 2022 USD ($) loan | Dec. 31, 2021 USD ($) loan
--- | --- | ---
Financing Receivable, Modifications [Line Items] |  |
No. of Loans | loan | 128 | 126
Recorded Investment | $ 19,709 | $ 17,955
Outstanding Commitment | $ 4 | $ 4
Performing Financing Receivable |  |
Financing Receivable, Modifications [Line Items] |  |
No. of Loans | loan | 90 | 88
Recorded Investment | $ 12,157 | $ 10,313
Outstanding Commitment | $ 4 | $ 4
Performing Financing Receivable | Construction and Land Development |  |
Financing Receivable, Modifications [Line Items] |  |
No. of Loans | loan | 4 | 4
Recorded Investment | $ 198 | $ 201
Outstanding Commitment | $ 0 | $ 0
Performing Financing Receivable | Commercial Real Estate - Owner Occupied |  |
Financing Receivable, Modifications [Line Items] |  |
No. of Loans | loan | 2 | 3
Recorded Investment | $ 1,020 | $ 572
Outstanding Commitment | $ 0 | 0
Performing Financing Receivable | Residential 1-4 Family - Commercial |  |
Financing Receivable, Modifications [Line Items] |  |
No. of Loans | loan | 2 |
Recorded Investment | $ 1,589 |
Outstanding Commitment | $ 0 | $ 0
Performing Financing Receivable | Residential 1-4 Family - Mortgage |  |
Financing Receivable, Modifications [Line Items] |  |
No. of Loans | loan | 76 | 75
Recorded Investment | $ 8,839 | $ 9,021
Outstanding Commitment | $ 0 | $ 0
Performing Financing Receivable | Residential 1-4 Family - Revolving |  |
Financing Receivable, Modifications [Line Items] |  |
No. of Loans | loan | 3 | 3
Recorded Investment | $ 263 | $ 265
Outstanding Commitment | $ 4 | $ 4
Performing Financing Receivable | Consumer |  |
Financing Receivable, Modifications [Line Items] |  |
No. of Loans | loan | 2 | 2
Recorded Investment | $ 14 | $ 15
Outstanding Commitment | $ 0 | $ 0
Performing Financing Receivable | Other Commercial |  |
Financing Receivable, Modifications [Line Items] |  |
No. of Loans | loan | 1 | 1
Recorded Investment | $ 234 | $ 239
Outstanding Commitment | $ 0 | $ 0
Nonperforming Financing Receivable |  |
Financing Receivable, Modifications [Line Items] |  |
No. of Loans | loan | 38 | 38
Recorded Investment | $ 7,552 | $ 7,642
Outstanding Commitment | $ 0 | $ 0
Nonperforming Financing Receivable | Commercial Real Estate - Owner Occupied |  |
Financing Receivable, Modifications [Line Items] |  |
No. of Loans | loan | 1 | 2
Recorded Investment | $ 17 | $ 830
Outstanding Commitment | $ 0 | $ 0
Nonperforming Financing Receivable | Commercial Real Estate - Non-Owner Occupied |  |
Financing Receivable, Modifications [Line Items] |  |
No. of Loans | loan | 3 | 3
Recorded Investment | $ 1,348 | $ 1,357
Outstanding Commitment | $ 0 | $ 0
Nonperforming Financing Receivable | Commercial and Industrial |  |
Financing Receivable, Modifications [Line Items] |  |
No. of Loans | loan | 3 | 3
Recorded Investment | $ 672 | $ 729
Outstanding Commitment | $ 0 | $ 0
Nonperforming Financing Receivable | Residential 1-4 Family - Commercial |  |
Financing Receivable, Modifications [Line Items] |  |
No. of Loans | loan | 3 | 3
Recorded Investment | $ 383 | $ 388
Outstanding Commitment | $ 0 | $ 0
Nonperforming Financing Receivable | Residential 1-4 Family - Mortgage |  |
Financing Receivable, Modifications [Line Items] |  |
No. of Loans | loan | 25 | 24
Recorded Investment | $ 5,031 | $ 4,239
Outstanding Commitment | $ 0 | $ 0
Nonperforming Financing Receivable | Residential 1-4 Family - Revolving |  |
Financing Receivable, Modifications [Line Items] |  |
No. of Loans | loan | 3 | 3
Recorded Investment | $ 101 | $ 99
Outstanding Commitment | $ 0 | $ 0

X
- Definition Financing Receivable, Modifications, Number Of Contracts At End Of Period + References No definition available. + Details
Name: | aub_FinancingReceivableModificationsNumberOfContractsAtEndOfPeriod
Namespace Prefix: | aub_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Financing receivable modifications outstanding commitment. + References No definition available. + Details
Name: | aub_FinancingReceivableModificationsOutstandingCommitment
Namespace Prefix: | aub_
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_FinancingReceivableModificationsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of financing receivable modified as troubled debt restructuring. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953676-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 40 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=121585226&loc=d3e18845-111554 + Details
Name: | us-gaap_FinancingReceivableModificationsRecordedInvestment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancialInstrumentPerformanceStatusAxis=us-gaap_PerformingFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=aub_Residential1To4FamilyCommercialMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=aub_Residential1To4FamilyConsumerMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=aub_Residential1To4FamilyRevolvingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

X
- Details
Name: | us-gaap_FinancialInstrumentPerformanceStatusAxis=us-gaap_NonperformingFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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