XML 38 R40.htm IDEA: XBRL DOCUMENT
v3.3.0.814

Loans and Allowance for Loan Losses - Schedule of Carrying Amount of Loans by Credit Quality Indicator (Detail) - USD ($) $ in Thousands | Sep. 30, 2015 | Dec. 31, 2014
--- | --- | ---
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | $ 251,800 | $ 274,317
FUSB [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 159,040 | 191,175
FUSB [Member] | Pass 1-5 [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 145,880 | 160,421
FUSB [Member] | Special Mention 6 [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 4,426 | 15,385
FUSB [Member] | Substandard 7 [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 8,734 | 15,369
ALC [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 92,760 | 83,142
ALC [Member] | Performing Financing Receivable |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 91,162 | 81,237
ALC [Member] | Nonperforming Financing Receivable |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 1,598 | 1,905
Real Estate [Member] | Construction, Land Development and Other Land Loans [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 11,900 | 10,431
Real Estate [Member] | Construction, Land Development and Other Land Loans [Member] | FUSB [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 11,900 | 10,431
Real Estate [Member] | Construction, Land Development and Other Land Loans [Member] | FUSB [Member] | Pass 1-5 [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 9,932 | 5,326
Real Estate [Member] | Construction, Land Development and Other Land Loans [Member] | FUSB [Member] | Special Mention 6 [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance |  | 2,515
Real Estate [Member] | Construction, Land Development and Other Land Loans [Member] | FUSB [Member] | Substandard 7 [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 1,968 | 2,590
Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 50,042 | 52,104
Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member] | FUSB [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 32,049 | 30,795
Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member] | FUSB [Member] | Pass 1-5 [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 30,654 | 27,956
Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member] | FUSB [Member] | Special Mention 6 [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 232 | 638
Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member] | FUSB [Member] | Substandard 7 [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 1,163 | 2,201
Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member] | ALC [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 17,993 | 21,309
Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member] | ALC [Member] | Performing Financing Receivable |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 17,654 | 20,778
Real Estate [Member] | Secured by 1-4 Family Residential Properties [Member] | ALC [Member] | Nonperforming Financing Receivable |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 339 | 531
Real Estate [Member] | Secured by Multi-family Residential Properties [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 13,005 | 20,403
Real Estate [Member] | Secured by Multi-family Residential Properties [Member] | FUSB [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 13,005 | 20,403
Real Estate [Member] | Secured by Multi-family Residential Properties [Member] | FUSB [Member] | Pass 1-5 [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 11,294 | 18,033
Real Estate [Member] | Secured by Multi-family Residential Properties [Member] | FUSB [Member] | Substandard 7 [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 1,711 | 2,370
Real Estate [Member] | Secured by Non-farm, Non-residential Properties [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 75,840 | 104,883
Real Estate [Member] | Secured by Non-farm, Non-residential Properties [Member] | FUSB [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 75,840 | 104,883
Real Estate [Member] | Secured by Non-farm, Non-residential Properties [Member] | FUSB [Member] | Pass 1-5 [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 69,458 | 86,812
Real Estate [Member] | Secured by Non-farm, Non-residential Properties [Member] | FUSB [Member] | Special Mention 6 [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 3,370 | 10,905
Real Estate [Member] | Secured by Non-farm, Non-residential Properties [Member] | FUSB [Member] | Substandard 7 [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 3,012 | 7,166
Real Estate [Member] | Other Real Estate Loans [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 116 | 58
Real Estate [Member] | Other Real Estate Loans [Member] | FUSB [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 116 | 58
Real Estate [Member] | Other Real Estate Loans [Member] | FUSB [Member] | Pass 1-5 [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 116 | 58
Commercial and Industrial Loans [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 18,796 | 16,838
Commercial and Industrial Loans [Member] | FUSB [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 18,796 | 16,838
Commercial and Industrial Loans [Member] | FUSB [Member] | Pass 1-5 [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 17,230 | 14,915
Commercial and Industrial Loans [Member] | FUSB [Member] | Special Mention 6 [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 824 | 1,222
Commercial and Industrial Loans [Member] | FUSB [Member] | Substandard 7 [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 742 | 701
Consumer Loans [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 81,615 | 69,021
Consumer Loans [Member] | FUSB [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 6,848 | 7,188
Consumer Loans [Member] | FUSB [Member] | Pass 1-5 [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 6,710 | 6,744
Consumer Loans [Member] | FUSB [Member] | Special Mention 6 [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance |  | 105
Consumer Loans [Member] | FUSB [Member] | Substandard 7 [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 138 | 339
Consumer Loans [Member] | ALC [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 74,767 | 61,833
Consumer Loans [Member] | ALC [Member] | Performing Financing Receivable |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 73,508 | 60,459
Consumer Loans [Member] | ALC [Member] | Nonperforming Financing Receivable |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 1,259 | 1,374
Other Loans [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 486 | 579
Other Loans [Member] | FUSB [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | 486 | 579
Other Loans [Member] | FUSB [Member] | Pass 1-5 [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance | $ 486 | 577
Other Loans [Member] | FUSB [Member] | Substandard 7 [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Ending balance |  | $ 2

X
- 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. + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522 + Details
Name: | us-gaap_LoansAndLeasesReceivableGrossCarryingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=usbi_FirstUnitedSecurityBankMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentPerformanceStatusAxis=us-gaap_PassMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentPerformanceStatusAxis=us-gaap_SpecialMentionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentPerformanceStatusAxis=us-gaap_SubstandardMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=usbi_AcceptanceLoanCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentPerformanceStatusAxis=us-gaap_PerformingFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentPerformanceStatusAxis=us-gaap_NonperformingFinancingReceivableMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=usbi_RealEstatePortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=usbi_ConstructionLandDevelopmentAndOtherLandLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=usbi_SecuredByOneToFourFamilyResidentialPropertiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=usbi_SecuredByMultiFamilyResidentialPropertiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=usbi_SecuredByNonfarmNonresidentialPropertiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=usbi_OtherRealEstateLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_CommercialPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_UnallocatedFinancingReceivablesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |