Atlantic Union Bankshares Corporation Annual report pursuant to Section 13 and 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	Dec. 31, 2019	Dec. 31, 2018
ASSETS
Securities available for sale, at fair value	$ 1,945,445	$ 1,774,821
Loans held for sale, at fair value	55,405
Fair value hedges	182	1,872
LIABILITIES
Cash flow hedges	1,147	4,786
Fair value hedges	6,256	1,684
Quoted Prices in Active Markets for Identical Assets Level 1
ASSETS
Securities available for sale, at fair value	0	0
Loans held for sale, at fair value	0
Fair value hedges	0	0
LIABILITIES
Cash flow hedges	0	0
Fair value hedges	0	0
Significant Other Observable Inputs Level 2
ASSETS
Securities available for sale, at fair value	1,945,445	1,774,821
Loans held for sale, at fair value	55,405
Fair value hedges	182	1,872
LIABILITIES
Cash flow hedges	1,147	4,786
Fair value hedges	6,256	1,684
Significant Unobservable Inputs Level 3
ASSETS
Securities available for sale, at fair value	0	0
Loans held for sale, at fair value	0
Fair value hedges	0	0
LIABILITIES
Cash flow hedges	0	0
Fair value hedges	0	0
Recurring
ASSETS
Loans held for sale, at fair value	55,405
Interest rate swap	54,345	19,426
Fair value hedges	182	1,872
LIABILITIES
Interest rate swap	54,345	19,426
Cash flow hedges	1,147	4,786
Fair value hedges	6,256	1,684
Recurring \| Quoted Prices in Active Markets for Identical Assets Level 1
ASSETS
Loans held for sale, at fair value	0
Interest rate swap	0	0
Fair value hedges	0	0
LIABILITIES
Interest rate swap	0	0
Cash flow hedges	0	0
Fair value hedges	0	0
Recurring \| Significant Other Observable Inputs Level 2
ASSETS
Loans held for sale, at fair value	55,405
Interest rate swap	54,345	19,426
Fair value hedges	182	1,872
LIABILITIES
Interest rate swap	54,345	19,426
Cash flow hedges	1,147	4,786
Fair value hedges	6,256	1,684
Recurring \| Significant Unobservable Inputs Level 3
ASSETS
Loans held for sale, at fair value	0
Interest rate swap	0	0
Fair value hedges	0	0
LIABILITIES
Interest rate swap	0	0
Cash flow hedges	0	0
Fair value hedges	0	0
U.S. government and agency securities
ASSETS
Securities available for sale, at fair value	4,498
U.S. government and agency securities \| Recurring
ASSETS
Securities available for sale, at fair value	4,498
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	0
U.S. government and agency securities \| Recurring \| Significant Other Observable Inputs Level 2
ASSETS
Securities available for sale, at fair value	4,498
U.S. government and agency securities \| Recurring \| Significant Unobservable Inputs Level 3
ASSETS
Securities available for sale, at fair value	0
Obligations of states and political subdivisions
ASSETS
Securities available for sale, at fair value	442,992	468,491
Obligations of states and political subdivisions \| Recurring
ASSETS
Securities available for sale, at fair value	442,992	468,491
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	442,992	468,491
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	263,070	167,696
Corporate and other bonds \| Recurring
ASSETS
Securities available for sale, at fair value	263,070	167,696
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	263,070	167,696
Corporate and other bonds \| Recurring \| Significant Unobservable Inputs Level 3
ASSETS
Securities available for sale, at fair value	0	0
Mortgage-backed securities
ASSETS
Securities available for sale, at fair value	1,231,806	1,129,865
Mortgage-backed securities \| Recurring
ASSETS
Securities available for sale, at fair value	1,231,806	1,129,865
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	1,231,806	1,129,865
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	3,079	8,769
Other securities \| Recurring
ASSETS
Securities available for sale, at fair value	3,079	8,769
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	3,079	8,769
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	54,345	19,426
LIABILITIES
Interest rate swap	54,345	19,426
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	54,345	19,426
LIABILITIES
Interest rate swap	54,345	19,426
Interest Rate Swap \| Significant Unobservable Inputs Level 3
ASSETS
Interest rate swap	0	0
LIABILITIES
Interest rate swap	$ 0	$ 0