Financial Instruments with Off- Balance Sheet Risk (Details Textual) (USD $) In Thousands, unless otherwise specified	9 Months Ended	12 Months Ended
Sep. 30, 2012	Dec. 31, 2011	Sep. 30, 2011
Financial Instruments with Off-Balance Sheet Risk (Textual) [Abstract]
Commitments to fund fixed rate loans	$ 8,491	$ 9,239
Loss on commitment	$ 0		$ 0
Maximum [Member]
Debt Instrument [Line Items]
Range of interest rates on commitments to fund fixed rate loans	12.90%	17.90%
Minimum [Member]
Debt Instrument [Line Items]
Range of interest rates on commitments to fund fixed rate loans	2.75%	3.49%

Reflects the amount of cash required to fully fund agreements to provide advances to borrowers and lessees at stated interest rates.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 825

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6480020&loc=d3e61082-112788

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Statement of Position (SOP)

-Number 01-6

-Paragraph 14

-Subparagraph m

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 825

-Section 50

-Paragraph 1

-Subparagraph (b)(2)

-URI http://asc.fasb.org/extlink&oid=6480020&loc=d3e61044-112788

Name:	us-gaap_LoansAndLeasesReceivableCommitmentsFixedRates
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration