Allowance For Loan Losses And Credit Quality Of Financing Receivables (Troubled Debt Restructured On Recorded Investment) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012
Financing Receivable, Modifications [Line Items]
Net allocation of the allowance for credit losses	$ 4
Commercial Real Estate Loans [Member]
Financing Receivable, Modifications [Line Items]
Total, Recorded Investment	2,468
Performing [Member] \| Commercial Real Estate Loans [Member]
Financing Receivable, Modifications [Line Items]
Total, Recorded Investment	604
Non-performing [Member] \| Commercial Real Estate Loans [Member]
Financing Receivable, Modifications [Line Items]
Total, Recorded Investment	$ 1,864

Amount of allowance for credit losses related to receivables which had been measured under a general allowance for credit losses methodology that are now identified as troubled debt restructurings.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 40

-Section 65

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=7484272&loc=SL7484277-172609

Name:	us-gaap_AllowanceForCreditLossesChangeInMethodOfCalculatingImpairment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant