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	9 Months Ended	12 Months Ended
	Sep. 30, 2015 USD ($) loan	Dec. 31, 2014 USD ($) loan
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	42	58
Recorded Investment	$ 11,555	$ 26,777
Outstanding Commitment
Performing Financing Receivable [Member]
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	28	42
Recorded Investment	$ 9,468	$ 22,829
Outstanding Commitment
Nonperforming Financing Receivable [Member]
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	14	16
Recorded Investment	$ 2,087	$ 3,948
Outstanding Commitment
Commercial Construction [Member] \| Performing Financing Receivable [Member]
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	1	1
Recorded Investment	$ 296	$ 707
Outstanding Commitment
Commercial Construction [Member] \| Nonperforming Financing Receivable [Member]
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	1	1
Recorded Investment	$ 126	$ 253
Outstanding Commitment
Commercial Real Estate - Owner Occupied [Member] \| Performing Financing Receivable [Member]
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	5	3
Recorded Investment	$ 1,608	$ 682
Outstanding Commitment
Commercial Real Estate - Owner Occupied [Member] \| Nonperforming Financing Receivable [Member]
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	1	2
Recorded Investment	$ 140	$ 153
Outstanding Commitment
Commercial Real Estate - Non-Owner Occupied [Member] \| Performing Financing Receivable [Member]
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	2	3
Recorded Investment	$ 2,390	$ 3,362
Outstanding Commitment
Commercial Real Estate - Non-Owner Occupied [Member] \| Nonperforming Financing Receivable [Member]
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	1	1
Recorded Investment	$ 200	$ 539
Outstanding Commitment
Raw Land and Lots [Member] \| Performing Financing Receivable [Member]
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	5	9
Recorded Investment	$ 3,081	$ 14,777
Outstanding Commitment
Raw Land and Lots [Member] \| Nonperforming Financing Receivable [Member]
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	1	2
Recorded Investment	$ 33	$ 1,053
Outstanding Commitment
Single Family Investment Real Estate [Member] \| Performing Financing Receivable [Member]
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	2	6
Recorded Investment	$ 444	$ 1,046
Outstanding Commitment
Single Family Investment Real Estate [Member] \| Nonperforming Financing Receivable [Member]
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	2	1
Recorded Investment	$ 234	$ 433
Outstanding Commitment
Commercial and Industrial [Member] \| Performing Financing Receivable [Member]
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	3	9
Recorded Investment	$ 103	$ 722
Outstanding Commitment
Commercial and Industrial [Member] \| Nonperforming Financing Receivable [Member]
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	3	5
Recorded Investment	$ 485	$ 616
Outstanding Commitment
Other Commercial [Member] \| Performing Financing Receivable [Member]
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	1	1
Recorded Investment	$ 128	$ 191
Outstanding Commitment
Other Commercial [Member] \| Nonperforming Financing Receivable [Member]
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	1	1
Recorded Investment	$ 61	$ 74
Outstanding Commitment
Mortgage [Member] \| Performing Financing Receivable [Member]
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	7	7
Recorded Investment	$ 1,331	$ 1,244
Outstanding Commitment
Mortgage [Member] \| Nonperforming Financing Receivable [Member]
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	3	2
Recorded Investment	$ 771	$ 770
Outstanding Commitment
Other Consumer [Member] \| Performing Financing Receivable [Member]
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	2	3
Recorded Investment	$ 87	$ 98
Outstanding Commitment
Other Consumer [Member] \| Nonperforming Financing Receivable [Member]
Financing Receivable, Modifications [Line Items]
No. of Loans \| loan	1	1
Recorded Investment	$ 37	$ 57
Outstanding Commitment