XML 56 R44.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

LOANS AND ALLOWANCE FOR LOAN AND LEASE LOSSES (Summary of Aging of the Loan Portfolio by Class) (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Greater Than 90 Days and Still Accruing | $ 11,445 | $ 13,863
Greater than 90 Days and still Accruing, % of total loans | 0.07% | 0.09%
Nonaccrual | $ 36,389 | $ 36,860
Nonaccrual, % of total loans | 0.23% | 0.24%
Total Loans | $ 15,851,628 | $ 15,635,043
Total loans, % of total loans | 100.00% | 100.00%
Current |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans receivable, current and past due | $ 15,764,552 | $ 15,549,784
Current, % of total loans | 99.45% | 99.45%
30 to 59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans receivable, current and past due | $ 34,831 | $ 29,120
Past Due, % of total loans | 0.22% | 0.19%
60 to 89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans receivable, current and past due | $ 4,411 | $ 5,416
Past Due, % of total loans | 0.03% | 0.03%
Construction and Land Development |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Greater Than 90 Days and Still Accruing | $ 171 | $ 25
Nonaccrual | 342 | 348
Total Loans | 1,246,251 | 1,107,850
Construction and Land Development | Current |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans receivable, current and past due | 1,242,478 | 1,107,183
Construction and Land Development | 30 to 59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans receivable, current and past due | 2,163 | 270
Construction and Land Development | 60 to 89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans receivable, current and past due | 1,097 | 24
Commercial Real Estate - Owner Occupied |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Greater Than 90 Days and Still Accruing | 3,634 | 2,579
Nonaccrual | 2,888 | 3,001
Total Loans | 1,981,613 | 1,998,787
Commercial Real Estate - Owner Occupied | Current |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans receivable, current and past due | 1,971,428 | 1,991,632
Commercial Real Estate - Owner Occupied | 30 to 59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans receivable, current and past due | 3,663 | 1,575
Commercial Real Estate - Owner Occupied | 60 to 89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans receivable, current and past due | 0 | 0
Commercial Real Estate - Non-Owner Occupied |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Greater Than 90 Days and Still Accruing | 1,197 | 2,967
Nonaccrual | 10,335 | 12,616
Total Loans | 4,225,018 | 4,172,401
Commercial Real Estate - Non-Owner Occupied | Current |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans receivable, current and past due | 4,210,657 | 4,156,089
Commercial Real Estate - Non-Owner Occupied | 30 to 59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans receivable, current and past due | 2,271 | 545
Commercial Real Estate - Non-Owner Occupied | 60 to 89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans receivable, current and past due | 558 | 184
Multifamily Real Estate |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Greater Than 90 Days and Still Accruing | 144 | 0
Nonaccrual | 0 | 0
Total Loans | 1,074,957 | 1,061,997
Multifamily Real Estate | Current |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans receivable, current and past due | 1,074,813 | 1,061,851
Multifamily Real Estate | 30 to 59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans receivable, current and past due | 0 | 0
Multifamily Real Estate | 60 to 89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans receivable, current and past due | 0 | 146
Commercial and Industrial |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Greater Than 90 Days and Still Accruing | 1,860 | 782
Nonaccrual | 6,480 | 4,556
Total Loans | 3,561,971 | 3,589,347
Commercial and Industrial | Current |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans receivable, current and past due | 3,547,743 | 3,579,657
Commercial and Industrial | 30 to 59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans receivable, current and past due | 5,540 | 4,303
Commercial and Industrial | 60 to 89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans receivable, current and past due | 348 | 49
Residential 1-4 Family - Commercial |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Greater Than 90 Days and Still Accruing | 1,030 | 1,383
Nonaccrual | 1,790 | 1,804
Total Loans | 515,667 | 522,580
Residential 1-4 Family - Commercial | Current |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans receivable, current and past due | 511,342 | 518,150
Residential 1-4 Family - Commercial | 30 to 59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans receivable, current and past due | 1,407 | 567
Residential 1-4 Family - Commercial | 60 to 89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans receivable, current and past due | 98 | 676
Residential 1-4 Family - Mortgage |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Greater Than 90 Days and Still Accruing | 1,641 | 4,470
Nonaccrual | 10,990 | 11,098
Total Loans | 1,081,094 | 1,078,173
Residential 1-4 Family - Mortgage | Current |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans receivable, current and past due | 1,062,189 | 1,053,255
Total Loans | 1,062,189 | 1,053,255
Residential 1-4 Family - Mortgage | 30 to 59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans receivable, current and past due | 6,070 | 7,546
Total Loans | 6,070 | 7,546
Residential 1-4 Family - Mortgage | 60 to 89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans receivable, current and past due | 204 | 1,804
Total Loans | 204 | 1,804
Residential 1-4 Family - Mortgage | Greater Than 90 Days and still Accruing |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Loans | 1,641 | 4,470
Residential 1-4 Family - Mortgage | Nonaccrual |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Loans | 10,990 | 11,098
Residential 1-4 Family - Revolving |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Greater Than 90 Days and Still Accruing | 1,343 | 1,095
Nonaccrual | 3,135 | 3,087
Total Loans | 616,951 | 619,433
Residential 1-4 Family - Revolving | Current |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans receivable, current and past due | 609,076 | 611,584
Total Loans | 609,076 | 611,584
Residential 1-4 Family - Revolving | 30 to 59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans receivable, current and past due | 1,920 | 2,238
Total Loans | 1,920 | 2,238
Residential 1-4 Family - Revolving | 60 to 89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans receivable, current and past due | 1,477 | 1,429
Total Loans | 1,477 | 1,429
Residential 1-4 Family - Revolving | Greater Than 90 Days and still Accruing |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Loans | 1,343 | 1,095
Residential 1-4 Family - Revolving | Nonaccrual |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Loans | 3,135 | 3,087
Auto |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Greater Than 90 Days and Still Accruing | 284 | 410
Nonaccrual | 429 | 350
Total Loans | 440,118 | 486,926
Auto | Current |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans receivable, current and past due | 435,883 | 480,557
Total Loans | 435,883 | 480,557
Auto | 30 to 59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans receivable, current and past due | 3,192 | 4,737
Total Loans | 3,192 | 4,737
Auto | 60 to 89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans receivable, current and past due | 330 | 872
Total Loans | 330 | 872
Auto | Greater Than 90 Days and still Accruing |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Loans | 284 | 410
Auto | Nonaccrual |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Loans | 429 | 350
Consumer |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Greater Than 90 Days and Still Accruing | 141 | 152
Nonaccrual | 0 | 0
Total Loans | 113,414 | 120,641
Consumer | Current |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans receivable, current and past due | 112,658 | 119,487
Total Loans | 112,658 | 119,487
Consumer | 30 to 59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans receivable, current and past due | 418 | 770
Total Loans | 418 | 770
Consumer | 60 to 89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans receivable, current and past due | 197 | 232
Total Loans | 197 | 232
Consumer | Greater Than 90 Days and still Accruing |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Total Loans | 141 | 152
Other Commercial |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Greater Than 90 Days and Still Accruing | 0 | 0
Nonaccrual | 0 | 0
Total Loans | 994,574 | 876,908
Other Commercial | Current |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans receivable, current and past due | 986,285 | 870,339
Other Commercial | 30 to 59 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans receivable, current and past due | 8,187 | 6,569
Other Commercial | 60 to 89 Days Past Due |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |
Loans receivable, current and past due | $ 102 | $ 0

X
- Definition Amount, before allowance for credit loss, of financing receivable, including net investment in lease if applicable. + References No definition available. + Details
Name: | aub_FinancingReceivableAndNetInvestmentInLeaseBeforeAllowanceForCreditLoss
Namespace Prefix: | aub_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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 No definition available. + Details
Name: | aub_FinancingReceivableAndNetInvestmentInLeaseExcludingAccruedInterestBeforeAllowanceForCreditLoss
Namespace Prefix: | aub_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of financing receivable 90 days or more past due and still accruing, including net investment in lease if applicable. + References No definition available. + Details
Name: | aub_FinancingReceivableAndNetInvestmentInLeaseRecordedInvestment90DaysPastDueAndStillAccruing
Namespace Prefix: | aub_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of financing receivable on nonaccrual status, including net investment in lease if applicable. + References No definition available. + Details
Name: | aub_FinancingReceivableAndNetInvestmentInLeaseRecordedInvestmentNonaccrualStatus
Namespace Prefix: | aub_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Percentage of financing receivable balance that is current. + References No definition available. + Details
Name: | aub_FinancingReceivablePercentCurrent
Namespace Prefix: | aub_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of financing receivable balance that is past due greater than 90 days and still accruing. + References No definition available. + Details
Name: | aub_FinancingReceivablePercentGreaterThan90DaysAndStillAccruing
Namespace Prefix: | aub_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of total financing receivable balance outstanding. + References No definition available. + Details
Name: | aub_LoansAndLeasesReceivableNetOfDeferredIncomePercentage
Namespace Prefix: | aub_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of nonaccrual financing receivable balance outstanding that is past due. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 14 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-14 + Details
Name: | us-gaap_FinancingReceivableNonaccrualPercentPastDue1
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of financing receivable balance that is past due. + References No definition available. + Details
Name: | us-gaap_FinancingReceivablePercentPastDue1
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
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 Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 14 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-14 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 80 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479294/326-20-55-80 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=aub_MultifamilyRealEstateMember
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: |

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_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=aub_FinancingReceivablesInNonaccrualStatusMember
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=us-gaap_AutomobileLoanMember
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: |