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		6 Months Ended		12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Financing Receivable, Modified [Line Items]
Amortized Cost	$ 23,920	$ 11,539	$ 24,096	$ 30,991	$ 31,000
Term Extension
Financing Receivable, Modified [Line Items]
Amortized Cost		5,920		25,137
Term Extension \| Commercial and Industrial
Financing Receivable, Modified [Line Items]
Amortized Cost		$ 5,549		$ 5,549
% of Total Class of Financing Receivable		0.16%		0.16%
Weighted-average years added to life of loan		2 months 12 days		2 months 12 days
Term Extension \| CRE - Non-Owner Occupied
Financing Receivable, Modified [Line Items]
Amortized Cost		$ 0		$ 19,001
% of Total Class of Financing Receivable		0.00%		0.46%
Term Extension \| CRE - Owner Occupied
Financing Receivable, Modified [Line Items]
Weighted-average years added to life of loan				6 months
Term Extension \| Residential 1-4 Family - Mortgage
Financing Receivable, Modified [Line Items]
Amortized Cost		$ 371		$ 587
% of Total Class of Financing Receivable		0.04%		0.06%
Weighted-average years added to life of loan		7 years 9 months 18 days		10 years 8 months 12 days
Other-Than-Insignificant Payment Delay and Term Extension
Financing Receivable, Modified [Line Items]
Amortized Cost	23,504		23,504
Other-Than-Insignificant Payment Delay and Term Extension \| Commercial and Industrial
Financing Receivable, Modified [Line Items]
Amortized Cost	$ 1,153		$ 1,153
% of Total Class of Financing Receivable	0.03%		0.03%
Weighted-average years added to life of loan	1 year		1 year
Other-Than-Insignificant Payment Delay and Term Extension \| CRE - Non-Owner Occupied
Financing Receivable, Modified [Line Items]
Amortized Cost	$ 22,351		$ 22,351
% of Total Class of Financing Receivable	0.46%		0.46%
Weighted-average years added to life of loan	1 year 7 months 6 days		1 year 7 months 6 days
Combination - Term Extension and Interest Rate Reduction
Financing Receivable, Modified [Line Items]
Amortized Cost	$ 210	$ 619	$ 386	$ 854
Combination - Term Extension and Interest Rate Reduction \| Residential 1-4 Family - Mortgage
Financing Receivable, Modified [Line Items]
Amortized Cost	$ 210	$ 604	$ 386	$ 838
% of Total Class of Financing Receivable	0.02%	0.06%	0.03%	0.08%
Weighted-average years added to life of loan		20 years 1 month 6 days		20 years 3 months 18 days
Weighted-average contractual interest rate before loan modification		8.40%		8.20%
Weighted-average contractual interest rate after loan modification		7.60%		7.60%
Combination - Term Extension and Interest Rate Reduction \| Residential 1-4 Family - Revolving
Financing Receivable, Modified [Line Items]
Amortized Cost		$ 15		$ 16
Weighted-average years added to life of loan		19 years 1 month 6 days		19 years 1 month 6 days
Weighted-average contractual interest rate before loan modification		10.50%		10.50%
Weighted-average contractual interest rate after loan modification		7.30%		7.30%
Combination - Interest Rate Reduction, Term Extension and Other-Than-Insignificant Pmy Delay
Financing Receivable, Modified [Line Items]
Amortized Cost	$ 206		$ 206
Combination - Interest Rate Reduction, Term Extension and Other-Than-Insignificant Pmy Delay \| Commercial and Industrial
Financing Receivable, Modified [Line Items]
Amortized Cost	$ 206		$ 206
% of Total Class of Financing Receivable	0.01%		0.01%
Principal Forgiveness
Financing Receivable, Modified [Line Items]
Amortized Cost		$ 5,000		$ 5,000
Principal Forgiveness \| CRE - Non-Owner Occupied
Financing Receivable, Modified [Line Items]
Amortized Cost		$ 5,000		$ 5,000
% of Total Class of Financing Receivable		0.12%		0.12%
Loan modification, amount of principal reduction		$ 3,500		$ 3,500