XML 67 R55.htm IDEA: XBRL DOCUMENT
v3.21.2

LEASES (Net Investment in Sales-Type and Direct Financing Lease) (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Leases [Abstract] |  |
Lease receivables, net of unearned income and deferred selling profit | $ 161,703 | $ 141,180
Unguaranteed residual values, net of unearned income and deferred selling profit | 6,805 | 4,796
Total net investment in sales-type and direct financing leases | $ 168,508 | $ 145,976

X
- Definition Sales Type and Direct Financing Leases Unguaranteed Residuals. + References No definition available. + Details
Name: | aub_SalesTypeAndDirectFinancingLeasesUnguaranteedResiduals
Namespace Prefix: | aub_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_LeasesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount excluding accrued interest, before allowance for credit loss, of net investment in sales-type and direct financing leases. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446 + Details
Name: | us-gaap_NetInvestmentInLeaseExcludingAccruedInterestBeforeAllowanceForCreditLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Present value of lease payments not yet received by lessor and amount expected to be derived from underlying asset, following end of lease term guaranteed by lessee or other third party unrelated to lessor, from sales-type and direct financing leases. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=124258985&loc=SL77919391-209981 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=124258985&loc=SL77919379-209981 + Details
Name: | us-gaap_SalesTypeAndDirectFinancingLeasesLeaseReceivable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant