Federal Home Loan Bank of Seattle ("FHLB") Stock (Details Textual) (USD $) In Thousands, except Share data, unless otherwise specified	1 Months Ended	9 Months Ended
Sep. 24, 2012	Sep. 30, 2012	Sep. 30, 2011
Excess Capital Stock Owned By Bank	933
Proceeds from sale of FHLB stock	$ 93	$ 94	$ 0

The cash inflow associated with the sale of the Federal Reserve Stock (equity interest in Federal Reserve Bank) during the period.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 12

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3179-108585

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 16

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

Name:	us-gaap_ProceedsFromSaleOfFederalReserveStock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration