Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Condensed Consolidated Statements of Comprehensive Income (Loss) [Abstract]        
Net income (loss) attributable to USBI $ 1,179 $ (1,309) $ 1,312 $ 414
Other comprehensive income:        
Change in unrealized holding gains on available-for- sale securities arising during period, net of tax of $74, $522, $279 and $981, respectively 123 870 465 1,635
Reclassification adjustment for net gains realized on available-for-sale securities realized in net income (loss), net of tax of $0, $0, $0 and $150,respectively       (250)
Other comprehensive income 123 870 465 1,385
Comprehensive income (loss) attributable to USBI 1,302 (439) 1,777 1,799
Less: Net loss attributable to noncontrolling interest       (1)
Total comprehensive income (loss) $ 1,302 $ (439) $ 1,777 $ 1,798