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

BORROWINGS (Narrative) (Details)

v2.4.1.9

BORROWINGS (Narrative) (Details) (USD $)	12 Months Ended			0 Months Ended
BORROWINGS (Narrative) (Details) (USD $)	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Jan. 01, 2014
Remaining available balance for the federal funds lines	$ 150,000,000ubsh_FederalFundsLinesAvailableBalance	$ 93,500,000ubsh_FederalFundsLinesAvailableBalance
Maximum collateral dependent line of credit with the FHLB	1,400,000,000	805,200,000
Prepayment penalty	19,600,000us-gaap_PrepaymentFeesOnAdvancesNet
Prepayment penalty amortization expense	1,800,000ubsh_DebtInstrumentAmortizationExpense	1,700,000ubsh_DebtInstrumentAmortizationExpense	612,000ubsh_DebtInstrumentAmortizationExpense
Carrying value of the loans and securities pledged as collateral for FHLB	1,200,000,000	1,100,000,000
Acquisitions, Prior To 2006 [Member]
Number of bank acquisitions	2
Trust preferred capital notes principal balance	58,500,000
Subordinated debt interest rate basis	LIBOR plus 1.45%
Remaining fair value discount on subordinated debt	652,000
Subordinated debt maturity date	Apr. 01, 2016
Subordinated debt	17,500,000
LIBOR [Member] \| Acquisitions, Prior To 2006 [Member]
Three-month LIBOR rate plus	1.45%
StellarOne Bank [Member]
Trust preferred capital notes principal balance				32,000,000
Remaining fair value premium on acquired FHLB advances	2,100,000
Remaining fair value discount on acquired trust preferred capital notes	7,200,000
Loans from Other Federal Home Loan Banks	$ 70,000,000

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Federal funds lines available balance.

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Remaining Fair Value Discount On Acquired FHLB Advances.

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Remaining fair value discount on acquired trust preferred capital notes.

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Remaining fair value discount on subordinated debt

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

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Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

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Amount of the collateral pledged in support of federal home loan bank advances outstanding.

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Amount of maximum advances or credit lines available from the Federal Home Loan Bank (FHLB).

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- Definition

Amount of Federal Home Loan Bank (FHLBank) loans from another FHLBank.

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The number of businesses acquired by the entity during the period.

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Amount of income earned, after hedging basis adjustments, from fees charged for prepayment of certain Federal Home Loan Bank (FHLBank) advances before original maturity.

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The cash inflow from issuance of preferred stocks by a business trust or other special purpose entity, mainly established by a bank holding entity, to third party investors. The trust's assets are deeply subordinated debentures of the bank holding entity. Most trust preferred securities are subject to a mandatory redemption upon the repayment of the debentures.

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Carrying value as of the balance sheet date of collateralized/uncollateralized debt obligation (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion. Subordinated debt places a lender in a lien position behind the primary lender of the company.

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