6. Loans and Allowance For Loan Losses (Details) (USD $)	3 Months Ended	9 Months Ended	3 Months Ended	9 Months Ended
Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Mar. 31, 2013 Commercial And Industrial	Sep. 30, 2012 Commercial And Industrial	Sep. 30, 2013 Commercial And Industrial	Sep. 30, 2012 Commercial And Industrial
Charge-offs	$ (1,000)	$ (106,000)	$ (529,000)	$ (152,000)	$ 340,000	$ (56,000)	$ (524,000)	$ (56,000)

Amount of direct write-downs of financing receivables charged against the allowance.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 11B

-Subparagraph (c)(3)

-URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953423-111524

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration