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

LOANS AND ALLOWANCE FOR LOAN AND LEASE LOSSES (Troubled Loan Modifications) (Details)

LOANS AND ALLOWANCE FOR LOAN AND LEASE LOSSES (Troubled Loan Modifications) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2023
Financing Receivable, Modifications [Line Items]
Amortized Cost	$ 1,019	$ 29,419
Troubled Loan Modifications
Financing Receivable, Modifications [Line Items]
Amortized Cost		29,400
Term Extension
Financing Receivable, Modifications [Line Items]
Amortized Cost	892	23,510
Term Extension \| Commercial and Industrial
Financing Receivable, Modifications [Line Items]
Amortized Cost	97	$ 2,008
% of Total Class of Financing Receivable		0.06%
Weighted-average years added to life of loan		2 months 12 days
Term Extension \| Commercial Real Estate - Non-Owner Occupied
Financing Receivable, Modifications [Line Items]
Amortized Cost	$ 0	$ 20,133
% of Total Class of Financing Receivable	0.00%	0.49%
Weighted-average years added to life of loan		6 months
Term Extension \| Commercial Real Estate - Owner Occupied
Financing Receivable, Modifications [Line Items]
Amortized Cost	$ 766	$ 766
% of Total Class of Financing Receivable	0.04%	0.04%
Weighted-average years added to life of loan		2 months 12 days
Term Extension \| Residential 1-4 Family - Mortgage
Financing Receivable, Modifications [Line Items]
Amortized Cost	$ 29	$ 603
Weighted-average years added to life of loan		10 years 8 months 12 days
Combination - Term Extension and Interest Rate Reduction
Financing Receivable, Modifications [Line Items]
Amortized Cost	127	$ 974
Combination - Term Extension and Interest Rate Reduction \| Residential 1-4 Family - Mortgage
Financing Receivable, Modifications [Line Items]
Amortized Cost	$ 127	$ 959
% of Total Class of Financing Receivable	0.01%	0.09%
Weighted-average years added to life of loan		20 years 3 months 18 days
Weighted-average contractual interest rate before loan modification		8.20%
Weighted-average contractual interest rate after loan modification		7.60%
Combination - Term Extension and Interest Rate Reduction \| Residential 1-4 Family - Revolving
Financing Receivable, Modifications [Line Items]
Amortized Cost	$ 0	$ 15
% of Total Class of Financing Receivable	0.00%
Weighted-average years added to life of loan		19 years 1 month 6 days
Weighted-average contractual interest rate before loan modification		10.50%
Weighted-average contractual interest rate after loan modification		7.30%
Principal Forgiveness
Financing Receivable, Modifications [Line Items]
Amortized Cost	$ 0	$ 4,935
Principal Forgiveness \| Commercial Real Estate - Non-Owner Occupied
Financing Receivable, Modifications [Line Items]
Amortized Cost	$ 0	$ 4,935
% of Total Class of Financing Receivable	0.00%	0.12%
Loan modification, amount of principal reduction		$ 3,500