XML 41 R53.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Other Real Estate Owned - Summary of Foreclosed Property Activity (Detail) (USD $) In Thousands, unless otherwise specified | 6 Months Ended
--- | ---
Jun. 30, 2014 | Jun. 30, 2013
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Beginning balance | $ 9,310 | $ 13,286
Transfers from loans | 4,252 | 1,998
Sales proceeds | 3,107 | 1,841
Gross gains | 230 | 72
Gross losses | (185) | (776)
Net gains (losses) | 45 | (704)
Impairment | (193) | (362)
Ending balance | 10,307 | 12,377
FUSB [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Beginning balance | 8,463 | 11,089
Transfers from loans | 4,020 | 1,735
Sales proceeds | (2,956) | (1,011)
Gross gains | 230 | 51
Gross losses | (127) | (109)
Net gains (losses) | 103 | (58)
Impairment | (146) | (153)
Ending balance | 9,484 | 11,602
ALC [Member] |  |
Financing Receivable, Allowance for Credit Losses [Line Items] |  |
Beginning balance | 847 | 2,197
Transfers from loans | 232 | 263
Sales proceeds | (151) | (830)
Gross gains | 0 | 21
Gross losses | (58) | (667)
Net gains (losses) | (58) | (646)
Impairment | (47) | (209)
Ending balance | $ 823 | $ 775

X
- Definition Other real estate gross gains. + References No definition available. + Details
Name: | usbi_OtherRealEstateGrossGains
Namespace Prefix: | usbi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Other real estate gross losses. + References No definition available. + Details
Name: | usbi_OtherRealEstateGrossLosses
Namespace Prefix: | usbi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Other real estate net income loss. + References No definition available. + Details
Name: | usbi_OtherRealEstateNetIncomeLoss
Namespace Prefix: | usbi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- Definition The charge against earnings in the period to reduce the carrying amount of real property to fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2921-110230 + Details
Name: | us-gaap_ImpairmentOfRealEstate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash inflow associated with the sale of other real estate not otherwise defined in the taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3179-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 + Details
Name: | us-gaap_ProceedsFromSaleOfOtherRealEstate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Carrying amount as of the balance sheet date of land and buildings obtained through foreclosure proceedings or defeasance in full or partial satisfaction of a debt arrangement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4437-111522 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 28 -Article 12 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph c -Subparagraph Schedule III -Article 5 + Details
Name: | us-gaap_RealEstateAcquiredThroughForeclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Value transferred from mortgage loans to real estate owned (REO) in noncash transactions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4313-108586 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
Name: | us-gaap_TransferToOtherRealEstate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration