Summary Of Significant Accounting Policies (Narrative) (Detail)	9 Months Ended
	Sep. 30, 2014
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Number of grace period days to become non-accrual loans	90 days
Term past due loans places on non-accrual status	90 days
Number of grace period days to charge-off loans	180 days
Minimum Period Discharged Bankruptcy Loan Post-Discharge Consecutive Payments	6 months
Minimum period troubled debt restructurings placed on non-accrual status	6 months
Minimum [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Minimum Demonstrated Performance Period Troubled Debt Restructurings Returned To Accrual Status	6 months
Maximum [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Minimum Demonstrated Performance Period Troubled Debt Restructurings Returned To Accrual Status	1 year