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

DERIVATIVES (Narrative) (Details)

v3.8.0.1

DERIVATIVES (Narrative) (Details) $ in Thousands		3 Months Ended	12 Months Ended
DERIVATIVES (Narrative) (Details) $ in Thousands	Jun. 13, 2016 USD ($) derivative_instrument	Mar. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
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 Hedges
Derivatives, Fair Value [Line Items]
Number of interest rate swaps terminated \| derivative_instrument	3
Unrealized gain within accumulated other comprehensive income, to be reclassified into earnings	$ 1,300
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		$ 405
Fair Value Hedges
Derivatives, Fair Value [Line Items]
Aggregate notional amount of the hedged items		80,000	$ 81,000
Fair value of aggregate notional amount of the hedged items, unrealized loss		$ (3,108)	$ (1,200)

- Definition

Interest rate lock commitments period.

+ References

No definition available.

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- Definition

Number Of Interest Rate Derivatives Terminated

+ References

No definition available.

+ Details

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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://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 25
-Section 50
-Paragraph 1
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986

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- Definition

Amount of the hedged item as of the balance sheet date related to the derivative. For example, the hedged balance on a debt instrument.

+ References

No definition available.

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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.

+ References

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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.

+ References

No definition available.

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=35736893&loc=d3e80748-113994

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=84234895&loc=SL5624171-113959

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