Parent Directory| Name | Size | Last Modified |
|---|---|---|
 0001628280-16-018498-index-headers.html | 2016-08-04 16:01:23 | |
| 0001628280-16-018498-index.html | 2016-08-04 16:01:23 | |
| 0001628280-16-018498.txt | 2016-08-04 16:01:23 | |
 0001628280-16-018498-xbrl.zip | 316865 | 2016-08-04 16:01:23 |
| FilingSummary.xml | 29540 | 2016-08-04 16:01:23 |
| Financial_Report.xlsx | 90881 | 2016-08-04 16:01:23 |
| R1.htm | 20428 | 2016-08-04 16:01:23 |
| R10.htm | 1431437 | 2016-08-04 16:01:23 |
| R11.htm | 25731 | 2016-08-04 16:01:23 |
| R12.htm | 11969 | 2016-08-04 16:01:23 |
| R13.htm | 19858 | 2016-08-04 16:01:23 |
| R14.htm | 12754 | 2016-08-04 16:01:23 |
| R15.htm | 40381 | 2016-08-04 16:01:23 |
| R16.htm | 9084 | 2016-08-04 16:01:23 |
| R17.htm | 14451 | 2016-08-04 16:01:23 |
| R18.htm | 311982 | 2016-08-04 16:01:23 |
| R19.htm | 13953 | 2016-08-04 16:01:23 |
| R2.htm | 79226 | 2016-08-04 16:01:23 |
| R20.htm | 5598 | 2016-08-04 16:01:23 |
| R21.htm | 11474 | 2016-08-04 16:01:23 |
| R22.htm | 122156 | 2016-08-04 16:01:23 |
| R23.htm | 1378716 | 2016-08-04 16:01:23 |
| R24.htm | 24040 | 2016-08-04 16:01:23 |
| R25.htm | 18420 | 2016-08-04 16:01:23 |
| R26.htm | 39229 | 2016-08-04 16:01:23 |
| R27.htm | 303889 | 2016-08-04 16:01:23 |
| R28.htm | 4094 | 2016-08-04 16:01:23 |
| R29.htm | 116141 | 2016-08-04 16:01:23 |
| R3.htm | 10685 | 2016-08-04 16:01:23 |
| R30.htm | 43614 | 2016-08-04 16:01:23 |
| R31.htm | 130347 | 2016-08-04 16:01:23 |
| R32.htm | 121052 | 2016-08-04 16:01:23 |
| R33.htm | 109118 | 2016-08-04 16:01:23 |
| R34.htm | 144571 | 2016-08-04 16:01:23 |
| R35.htm | 118942 | 2016-08-04 16:01:23 |
| R36.htm | 18930 | 2016-08-04 16:01:23 |
| R37.htm | 20534 | 2016-08-04 16:01:23 |
| R38.htm | 13482 | 2016-08-04 16:01:23 |
| R39.htm | 17948 | 2016-08-04 16:01:23 |
| R4.htm | 90654 | 2016-08-04 16:01:23 |
| R40.htm | 21930 | 2016-08-04 16:01:23 |
| R41.htm | 4347 | 2016-08-04 16:01:23 |
| R42.htm | 40607 | 2016-08-04 16:01:23 |
| R43.htm | 53890 | 2016-08-04 16:01:23 |
| R44.htm | 10996 | 2016-08-04 16:01:23 |
| R45.htm | 39187 | 2016-08-04 16:01:23 |
| R46.htm | 34113 | 2016-08-04 16:01:23 |
| R47.htm | 13555 | 2016-08-04 16:01:23 |
| R48.htm | 30902 | 2016-08-04 16:01:23 |
| R5.htm | 25563 | 2016-08-04 16:01:23 |
| R6.htm | 33945 | 2016-08-04 16:01:23 |
| R7.htm | 90206 | 2016-08-04 16:01:23 |
| R8.htm | 14647 | 2016-08-04 16:01:23 |
| R9.htm | 129799 | 2016-08-04 16:01:23 |
| report.css | 2767 | 2016-08-04 16:01:23 |
| Show.js | 1410 | 2016-08-04 16:01:23 |
| ubfo-20160630.xml | 5322867 | 2016-08-04 16:01:23 |
| ubfo-20160630.xsd | 49373 | 2016-08-04 16:01:23 |
| ubfo-20160630xq2.htm | 3127344 | 2016-08-04 16:01:23 |
| ubfo-20160630_cal.xml | 104116 | 2016-08-04 16:01:23 |
| ubfo-20160630_def.xml | 257467 | 2016-08-04 16:01:23 |
| ubfo-20160630_lab.xml | 722311 | 2016-08-04 16:01:23 |
| ubfo-20160630_pre.xml | 405196 | 2016-08-04 16:01:23 |
| ubfo-ex311_20160630.htm | 9790 | 2016-08-04 16:01:23 |
| ubfo-ex312_20160630.htm | 9665 | 2016-08-04 16:01:23 |
| ubfo-ex321_20160630.htm | 4768 | 2016-08-04 16:01:23 |
| ubfo-ex322_20160630.htm | 4704 | 2016-08-04 16:01:23 |