Allowance For Loan Losses (Narrative) (Details)	Sep. 30, 2012
Allowance For Loan Losses [Abstract]
Company's ratio of nonperforming loans compared to portfolio loans	0.73%
Company's ratio of Allowance compared to portfolio loans	2.46%

Reflects the percentage derived from dividing impaired loans on which interest has ceased to be accrued by total loans.

No definition available.

Name:	us-gaap_LoansAndLeasesReceivableRatioOfNonperformingLoansToAllLoans
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant