Atlantic Union Bankshares Corporation Quarterly report [Sections 13 or 15(d)]

FAIR VALUE MEASUREMENTS (Schedule of Financial Assets Measured on a Nonrecurring Basis) (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Collateral Pledged [Member]
ASSETS
Reserves related to collateral dependent loans	$ 1,200	$ 203
Fair Value, Nonrecurring [Member]
ASSETS
Individually assessed loans	5,474	1,330
Fair Value, Nonrecurring [Member] \| Fair Value, Inputs, Level 1 [Member]
ASSETS
Individually assessed loans	0	0
Fair Value, Nonrecurring [Member] \| Fair Value, Inputs, Level 2 [Member]
ASSETS
Individually assessed loans	0	0
Fair Value, Nonrecurring [Member] \| Fair Value, Inputs, Level 3 [Member]
ASSETS
Individually assessed loans	$ 5,474	$ 1,330

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.