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	Sep. 30, 2021 USD ($) loan	Dec. 31, 2020 USD ($) loan
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	130	137
Recorded Investment	$ 18,700	$ 20,616
Outstanding Commitment	$ 4	$ 176
Performing Financing Receivable
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	91	102
Recorded Investment	$ 11,335	$ 13,961
Outstanding Commitment	$ 4	$ 176
Performing Financing Receivable \| Construction and Land Development
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	4	4
Recorded Investment	$ 205	$ 215
Outstanding Commitment	$ 0	$ 0
Performing Financing Receivable \| Commercial Real Estate - Owner Occupied
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	4	6
Recorded Investment	$ 1,003	$ 2,033
Outstanding Commitment	$ 0	$ 176
Performing Financing Receivable \| Commercial Real Estate - Non-Owner Occupied
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	0	1
Recorded Investment		$ 1,089
Outstanding Commitment	$ 0	$ 0
Performing Financing Receivable \| Commercial and Industrial
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	2	4
Recorded Investment	$ 413	$ 727
Outstanding Commitment	$ 0	$ 0
Performing Financing Receivable \| Residential 1-4 Family - Commercial
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	0	3
Recorded Investment		$ 245
Outstanding Commitment	$ 0	$ 0
Performing Financing Receivable \| Residential 1-4 Family - Mortgage
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	75	77
Recorded Investment	$ 9,182	$ 8,943
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	$ 268	$ 277
Outstanding Commitment	$ 4	$ 0
Performing Financing Receivable \| Consumer
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	2	3
Recorded Investment	$ 16	$ 22
Outstanding Commitment	$ 0	$ 0
Performing Financing Receivable \| Other Commercial
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	1	1
Recorded Investment	$ 248	$ 410
Outstanding Commitment	$ 0	$ 0
Nonperforming Financing Receivable
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	39	35
Recorded Investment	$ 7,365	$ 6,655
Outstanding Commitment	$ 0	$ 0
Nonperforming Financing Receivable \| Commercial Real Estate - Owner Occupied
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	2	1
Recorded Investment	$ 831	$ 20
Outstanding Commitment	$ 0	$ 0
Nonperforming Financing Receivable \| Commercial Real Estate - Non-Owner Occupied
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	3	1
Recorded Investment	$ 1,366	$ 134
Outstanding Commitment	$ 0	$ 0
Nonperforming Financing Receivable \| Commercial and Industrial
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	4	3
Recorded Investment	$ 362	$ 237
Outstanding Commitment	$ 0	$ 0
Nonperforming Financing Receivable \| Residential 1-4 Family - Commercial
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	3	4
Recorded Investment	$ 393	$ 1,296
Outstanding Commitment	$ 0	$ 0
Nonperforming Financing Receivable \| Residential 1-4 Family - Mortgage
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	24	23
Recorded Investment	$ 4,312	$ 4,865
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	$ 103
Outstanding Commitment	$ 0	$ 0