Atlantic Union Bankshares Corporation Annual report pursuant to Section 13 and 15(d)

DERIVATIVES (Narrative) (Details)

v3.10.0.1

DERIVATIVES (Narrative) (Details)		12 Months Ended
DERIVATIVES (Narrative) (Details)	Jun. 16, 2016 USD ($) derivative_instrument	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Derivatives, Fair Value [Line Items]
Carrying Amount of Hedged Asset Amount		$ 50,000,000
Cumulative Amount of Basis Adjustments Included in the Carrying Amount of the Hedged Asset		$ 1,400,000
Minimum
Derivatives, Fair Value [Line Items]
Interest rate lock commitments period		30 days
Maximum
Derivatives, Fair Value [Line Items]
Interest rate lock commitments period		120 days
Cash Flow Hedging
Derivatives, Fair Value [Line Items]
Number of interest rate derivatives terminated \| derivative_instrument	3
Unrealized gain within accumulated other comprehensive income, to be reclassified into earnings	$ 1,300,000
Reclassification of gain (loss) from accumulated other comprehensive income to earnings, estimate of time to transfer	3 years
Estimated net amount of gains expected to be reclassified into earnings within the next twelve months		$ 297,000
Loans \| Fair Value Hedging
Derivatives, Fair Value [Line Items]
Aggregate notional amount of the hedged items		87,600,000	$ 81,000,000
Fair value of aggregate notional amount of the hedged items, unrealized loss		(1,600,000)	$ (1,200,000)
Available-for-sale Securities \| Fair Value Hedging
Derivatives, Fair Value [Line Items]
Aggregate notional amount of the hedged items		50,000,000
Fair value of aggregate notional amount of the hedged items, unrealized loss		1,400,000
Interest Rate Lock Commitments
Derivatives, Fair Value [Line Items]
Derivative, amount		$ 0

- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

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- Definition

Interest rate lock commitments period.

+ References

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- Definition

Number Of Interest Rate Derivatives Terminated

+ References

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- Definition

Amount of the increase (decrease) in fair value of the hedged item in a fair value hedge recognized in the income statement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 25
-Section 50
-Paragraph 1
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- Definition

Amount of hedged item in hedging relationship. Excludes hedged asset or liability.

+ References

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- Definition

Estimated period for the anticipated transfer of gain (loss), net, from accumulated other comprehensive income into earnings, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Amount of asset hedged in fair value hedging relationship.

+ References

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-Topic 815
-SubTopic 10
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- Definition

Amount of cumulative increase (decrease) in fair value of hedged asset in fair value hedge, attributable to hedged risk.

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- Definition

The estimated net amount of unrealized gains or losses on interest rate cash flow hedges as of the balance sheet date expected to be reclassified to earnings within the next twelve months.

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- Definition

Amount of unrealized gain (loss) related to the increase or decrease in fair value of interest rate derivatives designated as cash flow hedging instruments, which was recorded in accumulated other comprehensive income to the extent that the cash flow hedge was determined to be effective.

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