Atlantic Union Bankshares Corporation Quarterly report pursuant to Section 13 or 15(d)

LOANS AND ALLOWANCE FOR LOAN LOSSES (Summary of Modified Loans that Continue to Accrue Interest Under the Terms of Restructuring Agreement) (Details)

LOANS AND ALLOWANCE FOR LOAN LOSSES (Summary of Modified Loans that Continue to Accrue Interest Under the Terms of Restructuring Agreement) (Details) $ in Thousands	Mar. 31, 2021 USD ($) loan	Dec. 31, 2020 USD ($) loan
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	144	137
Recorded Investment	$ 19,728	$ 20,616
Outstanding Commitment	$ 3	$ 176
Performing
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	106	102
Recorded Investment	$ 13,670	$ 13,961
Outstanding Commitment	$ 3	$ 176
Performing \| Construction and Land Development
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	4	4
Recorded Investment	$ 212	$ 215
Outstanding Commitment	$ 0	$ 0
Performing \| Commercial Real Estate - Owner Occupied
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	5	6
Recorded Investment	$ 1,827	$ 2,033
Outstanding Commitment	$ 0	$ 176
Performing \| Commercial Real Estate - Non-Owner Occupied
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	1	1
Recorded Investment	$ 1,089	$ 1,089
Outstanding Commitment	$ 0	$ 0
Performing \| Commercial and Industrial
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	2	4
Recorded Investment	$ 446	$ 727
Outstanding Commitment	$ 0	$ 0
Performing \| Residential 1-4 Family - Commercial
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	2	3
Recorded Investment	$ 109	$ 245
Outstanding Commitment	$ 0	$ 0
Performing \| Residential 1-4 Family - Consumer
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	84	77
Recorded Investment	$ 9,271	$ 8,943
Outstanding Commitment	$ 0	$ 0
Performing \| Residential 1-4 Family - Revolving
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	3	3
Recorded Investment	$ 274	$ 277
Outstanding Commitment	$ 3	$ 0
Performing \| Consumer
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	4	3
Recorded Investment	$ 35	$ 22
Outstanding Commitment	$ 0	$ 0
Performing \| Other Commercial
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	1	1
Recorded Investment	$ 407	$ 410
Outstanding Commitment	$ 0	$ 0
Nonperforming
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	38	35
Recorded Investment	$ 6,058	$ 6,655
Outstanding Commitment	$ 0	$ 0
Nonperforming \| Commercial Real Estate - Owner Occupied
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	1	1
Recorded Investment	$ 19	$ 20
Outstanding Commitment	$ 0	$ 0
Nonperforming \| Commercial Real Estate - Non-Owner Occupied
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	1	1
Recorded Investment	$ 128	$ 134
Outstanding Commitment	$ 0	$ 0
Nonperforming \| Commercial and Industrial
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	4	3
Recorded Investment	$ 427	$ 237
Outstanding Commitment	$ 0	$ 0
Nonperforming \| Residential 1-4 Family - Commercial
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	3	4
Recorded Investment	$ 404	$ 1,296
Outstanding Commitment	$ 0	$ 0
Nonperforming \| Residential 1-4 Family - Consumer
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	26	23
Recorded Investment	$ 4,977	$ 4,865
Outstanding Commitment	$ 0	$ 0
Nonperforming \| Residential 1-4 Family - Revolving
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	3	3
Recorded Investment	$ 103	$ 103
Outstanding Commitment	$ 0	$ 0