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

FAIR VALUE MEASUREMENTS (Schedule of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis) (Details)

FAIR VALUE MEASUREMENTS (Schedule of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis) (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
ASSETS
Securities available for sale, at fair value	$ 3,195,176	$ 2,540,419
Loans held for sale, at fair value	35,417	96,742
LIABILITIES
Fair value hedges	6,769	12,483
Quoted Prices in Active Markets for Identical Assets Level 1
ASSETS
Securities available for sale, at fair value	64,955	0
Loans held for sale, at fair value	0	0
LIABILITIES
Fair value hedges	0	0
Significant Other Observable Inputs Level 2
ASSETS
Securities available for sale, at fair value	3,130,221	2,540,419
Loans held for sale, at fair value	35,417	96,742
LIABILITIES
Fair value hedges	6,769	12,483
Significant Unobservable Inputs Level 3
ASSETS
Securities available for sale, at fair value	0	0
Loans held for sale, at fair value	0	0
LIABILITIES
Fair value hedges	0	0
Recurring
ASSETS
Loans held for sale, at fair value	35,417	96,742
LIABILITIES
Fair value hedges	6,769	12,483
Recurring \| Quoted Prices in Active Markets for Identical Assets Level 1
ASSETS
Loans held for sale, at fair value	0	0
LIABILITIES
Fair value hedges	0	0
Recurring \| Significant Other Observable Inputs Level 2
ASSETS
Loans held for sale, at fair value	35,417	96,742
LIABILITIES
Fair value hedges	6,769	12,483
Recurring \| Significant Unobservable Inputs Level 3
ASSETS
Loans held for sale, at fair value	0	0
LIABILITIES
Fair value hedges	0	0
U.S. government and agency securities
ASSETS
Securities available for sale, at fair value	74,818	13,394
U.S. government and agency securities \| Recurring
ASSETS
Securities available for sale, at fair value	74,818	13,394
U.S. government and agency securities \| Recurring \| Quoted Prices in Active Markets for Identical Assets Level 1
ASSETS
Securities available for sale, at fair value	64,955	0
U.S. government and agency securities \| Recurring \| Significant Other Observable Inputs Level 2
ASSETS
Securities available for sale, at fair value	9,863	13,394
U.S. government and agency securities \| Recurring \| Significant Unobservable Inputs Level 3
ASSETS
Securities available for sale, at fair value	0	0
Obligations of states and political subdivisions
ASSETS
Securities available for sale, at fair value	998,881	837,326
Obligations of states and political subdivisions \| Recurring
ASSETS
Securities available for sale, at fair value	998,881	837,326
Obligations of states and political subdivisions \| Recurring \| Quoted Prices in Active Markets for Identical Assets Level 1
ASSETS
Securities available for sale, at fair value	0	0
Obligations of states and political subdivisions \| Recurring \| Significant Other Observable Inputs Level 2
ASSETS
Securities available for sale, at fair value	998,881	837,326
Obligations of states and political subdivisions \| Recurring \| Significant Unobservable Inputs Level 3
ASSETS
Securities available for sale, at fair value	0	0
Corporate and other bonds
ASSETS
Securities available for sale, at fair value	149,028	151,078
Corporate and other bonds \| Recurring
ASSETS
Securities available for sale, at fair value	149,028	151,078
Corporate and other bonds \| Recurring \| Quoted Prices in Active Markets for Identical Assets Level 1
ASSETS
Securities available for sale, at fair value	0	0
Corporate and other bonds \| Recurring \| Significant Other Observable Inputs Level 2
ASSETS
Securities available for sale, at fair value	149,028	151,078
Corporate and other bonds \| Recurring \| Significant Unobservable Inputs Level 3
ASSETS
Securities available for sale, at fair value	0	0
Mortgage-backed securities \| Recurring
ASSETS
Securities available for sale, at fair value	1,970,813	1,536,996
Mortgage-backed securities \| Recurring \| Quoted Prices in Active Markets for Identical Assets Level 1
ASSETS
Securities available for sale, at fair value	0	0
Mortgage-backed securities \| Recurring \| Significant Other Observable Inputs Level 2
ASSETS
Securities available for sale, at fair value	1,970,813	1,536,996
Mortgage-backed securities \| Recurring \| Significant Unobservable Inputs Level 3
ASSETS
Securities available for sale, at fair value	0	0
Other securities
ASSETS
Securities available for sale, at fair value	1,636	1,625
Other securities \| Recurring
ASSETS
Securities available for sale, at fair value	1,636	1,625
Other securities \| Recurring \| Quoted Prices in Active Markets for Identical Assets Level 1
ASSETS
Securities available for sale, at fair value	0	0
Other securities \| Recurring \| Significant Other Observable Inputs Level 2
ASSETS
Securities available for sale, at fair value	1,636	1,625
Other securities \| Recurring \| Significant Unobservable Inputs Level 3
ASSETS
Securities available for sale, at fair value	0	0
Interest Rate Swap
ASSETS
Interest rate swap	90,246	163,360
LIABILITIES
Interest rate swap	52,096	163,360
Interest Rate Swap \| Quoted Prices in Active Markets for Identical Assets Level 1
ASSETS
Interest rate swap	0	0
LIABILITIES
Interest rate swap	0	0
Interest Rate Swap \| Significant Other Observable Inputs Level 2
ASSETS
Interest rate swap	90,246	163,360
LIABILITIES
Interest rate swap	52,096	163,360
Interest Rate Swap \| Significant Unobservable Inputs Level 3
ASSETS
Interest rate swap	0	0
LIABILITIES
Interest rate swap	0	0
Interest Rate Swap \| Recurring
ASSETS
Interest rate swap	90,246	163,360
LIABILITIES
Interest rate swap	52,096	163,360
Interest Rate Swap \| Recurring \| Quoted Prices in Active Markets for Identical Assets Level 1
ASSETS
Interest rate swap	0	0
LIABILITIES
Interest rate swap	0	0
Interest Rate Swap \| Recurring \| Significant Other Observable Inputs Level 2
ASSETS
Interest rate swap	90,246	163,360
LIABILITIES
Interest rate swap	52,096	163,360
Interest Rate Swap \| Recurring \| Significant Unobservable Inputs Level 3
ASSETS
Interest rate swap	0	0
LIABILITIES
Interest rate swap	$ 0	$ 0