XML 12 R39.htm IDEA: XBRL DOCUMENT v3.3.0.814

Common Stock Dividend (Details) - USD ($)			3 Months Ended		9 Months Ended
	Oct. 16, 2015	Sep. 22, 2015	Jun. 30, 2015	Mar. 31, 2015	Sep. 30, 2015
Subsequent Event [Line Items]
Common stock, dividend rate, declared		1.00%	1.00%	1.00%
Additional number of shares issued to shareholders (in shares)			155,796	154,249
Amount transferred from retained earnings to common stocks based on closing price on declaration date		$ 805,639	$ 800,777	$ 828,327
Closing price of common stock on declaration date (in dollars per share)		$ 5.12
Percentage of stock dividend declared on common stocks outstanding (in hundredths)					1.00%
Subsequent Event
Subsequent Event [Line Items]
Additional number of shares issued to shareholders (in shares)	157,357

X

- Definition

This element represents value of shares transferred from retained earning to common stock based on closing price on declaration date.

+ References

No definition available.

+ Details

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X

- Definition

Closing price per share amount for each share of common stock offered in the stock market on declaration date.

+ References

No definition available.

+ Details

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X

- Definition

Common Stock, Dividend Rate, Declared

+ References

No definition available.

+ Details

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X

- Definition

Percentage of stock dividends for common shareholders declared by an entity during the period.

+ References

No definition available.

+ Details

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Namespace Prefix:	ubfo_
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X

- Definition

Number of shares of common stock issued as dividends during the period. Excludes stock splits.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 505



-SubTopic 10



-Section 50



-Paragraph 2



-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

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- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

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