Quarterly report pursuant to Section 13 or 15(d)

COMMITMENTS AND CONTINGENCIES (Balances of Commitments and Contingencies) (Details)

v2.4.1.9
COMMITMENTS AND CONTINGENCIES (Balances of Commitments and Contingencies) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
Commitments with off-balance sheet risk:    
Total commitments with off-balance sheet risk $ 1,867,698us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountLiability $ 1,768,827us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountLiability
Commitments with balance sheet risk:    
Loans held for sale 46,048ubsh_LoansHeldForSaleNetWithBalanceSheetRisk 42,519ubsh_LoansHeldForSaleNetWithBalanceSheetRisk
Total other commitments 1,913,746us-gaap_OtherCommitment 1,811,346us-gaap_OtherCommitment
Commitments to Extend Credit [Member]    
Commitments with off-balance sheet risk:    
Total commitments with off-balance sheet risk 1,674,177us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountLiability
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommitmentsToExtendCreditMember
[1] 1,601,287us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountLiability
/ us-gaap_FinancialInstrumentAxis
= us-gaap_CommitmentsToExtendCreditMember
[1]
Standby Letters of Credit [Member]    
Commitments with off-balance sheet risk:    
Total commitments with off-balance sheet risk 113,362us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountLiability
/ us-gaap_FinancialInstrumentAxis
= us-gaap_StandbyLettersOfCreditMember
117,988us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountLiability
/ us-gaap_FinancialInstrumentAxis
= us-gaap_StandbyLettersOfCreditMember
Interest Rate Lock Commitments [Member]    
Commitments with off-balance sheet risk:    
Total commitments with off-balance sheet risk $ 80,159us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountLiability
/ us-gaap_FinancialInstrumentAxis
= us-gaap_InterestRateLockCommitmentsMember
$ 49,552us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountLiability
/ us-gaap_FinancialInstrumentAxis
= us-gaap_InterestRateLockCommitmentsMember
[1] Includes unfunded overdraft protection.