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CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (Parenthetical) (USD $)
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3 Months Ended | |||
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Mar. 31, 2015
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Mar. 31, 2014
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Dec. 31, 2014
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Dec. 31, 2013
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| Dividends on common stock, per share | $ 0.15us-gaap_CommonStockDividendsPerShareDeclared | $ 0.14us-gaap_CommonStockDividendsPerShareDeclared | ||
| Common Stock [Member] | ||||
| Issuance of Common Stock in regard to acquisition, shares |
22,147,874us-gaap_StockIssuedDuringPeriodSharesAcquisitions / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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| Stock purchased under stock repurchase plan, shares |
102,843us-gaap_StockRepurchasedDuringPeriodShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
510,515us-gaap_StockRepurchasedDuringPeriodShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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| Issuance of common stock under Dividend Reinvestment Plan, shares |
15,781us-gaap_StockIssuedDuringPeriodSharesDividendReinvestmentPlan / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
10,843us-gaap_StockIssuedDuringPeriodSharesDividendReinvestmentPlan / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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| Issuance of common stock under Equity Compensation Plans, shares |
7,686us-gaap_StockIssuedDuringPeriodSharesEmployeeStockOwnershipPlan / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
24,465us-gaap_StockIssuedDuringPeriodSharesEmployeeStockOwnershipPlan / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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| Vesting of restricted stock under Equity Compensation Plans, shares |
29,140us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
13,310us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardGross / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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| Issuance of common stock for services rendered, shares |
4,576us-gaap_StockIssuedDuringPeriodSharesIssuedForServices / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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| Net settle for taxes on Restricted Stock Awards, shares |
9,869ubsh_NetSettleForTaxOnStockIssuedShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
61,732ubsh_NetSettleForTaxOnStockIssuedShares / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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| Retained Earnings [Member] | ||||
| Dividends on common stock, per share |
$ 0.15us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
$ 0.14us-gaap_CommonStockDividendsPerShareDeclared / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
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| Impact of adoption of ASU 2014-01 |
$ 856,000us-gaap_ImpactOfRestatementOnOpeningRetainedEarningsNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
$ 429,000us-gaap_ImpactOfRestatementOnOpeningRetainedEarningsNetOfTax / us-gaap_StatementEquityComponentsAxis = us-gaap_RetainedEarningsMember |
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| Accumulated Other Comprehensive Income [Member] | ||||
| Other comprehensive income (loss), tax |
$ 2,115,000us-gaap_OtherComprehensiveIncomeLossTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
$ 3,414,000us-gaap_OtherComprehensiveIncomeLossTax / us-gaap_StatementEquityComponentsAxis = us-gaap_AccumulatedOtherComprehensiveIncomeMember |
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| X | ||||||||||
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- Definition
Net settle for tax on stock issued shares. No definition available.
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| X | ||||||||||
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- Definition
Aggregate dividends declared during the period for each share of common stock outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount after tax of cumulative effect of restatement on the opening retained earnings of the earliest year presented. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of tax expense (benefit) allocated to other comprehensive income (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of shares of stock issued during the period pursuant to acquisitions. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of shares issued during the period from a dividend reinvestment plan (DRIP). A dividend reinvestment plan allows the shareholders to reinvest dividends paid to them by the entity on new issues of stock by the entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Number of shares of capital stock issued (purchased by employees) in connection with an employee stock ownership plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders. No definition available.
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| X | ||||||||||
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- Definition
Total number of shares issued during the period, including shares forfeited, as a result of Restricted Stock Awards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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