Fair Values of Financial Instruments (Details Textual) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2011	Dec. 31, 2010
Fair Values of Financial Instruments (Textual) [Abstract]
Discount rates utilized, minimum	6.00%
Discount rates utilized, maximum	30.00%
Fair value measurement of intangible assets	$ 0	$ 0
Nonrecurring fair value adjustments on loans held for sale	$ 0

This element represents the sum of all intangible assets having statutory or estimated useful lives.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 157

-Paragraph 33

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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_FiniteLivedIntangibleAssetsFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant