Fair Value Measurement (Schedule Of Quantitative Fair Value Measurements) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013		Sep. 30, 2012
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	$ 85,879		$ 113,545
Loans Measured For Impairment Using The Fair Value Of The Underlying Collateral [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	24,154		60,492
Impaired Real Estate Owned [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	48,803		36,494
Impaired Loans Held For Sale [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	12,922		16,559
Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	85,879		113,545
Significant Unobservable Inputs (Level 3) [Member] | Loans Measured For Impairment Using The Fair Value Of The Underlying Collateral [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	24,154		60,492
Valuation technique	Fair Value of Collateral
Significant Unobservable Inputs (Level 3) [Member] | Impaired Real Estate Owned [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	48,803		36,494
Valuation technique	Fair Value of Property
Significant Unobservable Inputs (Level 3) [Member] | Impaired Loans Held For Sale [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	12,922		16,559
Valuation technique	Fair Value of Collateral
Significant Unobservable Inputs (Level 3) [Member] | Minimum [Member] | Loans Measured For Impairment Using The Fair Value Of The Underlying Collateral [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	100	[1]	300	[1]
Significant Unobservable Inputs (Level 3) [Member] | Minimum [Member] | Impaired Real Estate Owned [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	100	[1]	100	[1]
Significant Unobservable Inputs (Level 3) [Member] | Minimum [Member] | Impaired Loans Held For Sale [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	100	[1]	300	[1]
Significant Unobservable Inputs (Level 3) [Member] | Maximum [Member] | Loans Measured For Impairment Using The Fair Value Of The Underlying Collateral [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	9,000	[1]	4,600	[1]
Significant Unobservable Inputs (Level 3) [Member] | Maximum [Member] | Impaired Real Estate Owned [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	12,000	[1]	7,800	[1]
Significant Unobservable Inputs (Level 3) [Member] | Maximum [Member] | Impaired Loans Held For Sale [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	2,200	[1]	4,300	[1]
Significant Unobservable Inputs (Level 3) [Member] | Weighted Average [Member] | Loans Measured For Impairment Using The Fair Value Of The Underlying Collateral [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	400	[1]	3,400	[1]
Significant Unobservable Inputs (Level 3) [Member] | Weighted Average [Member] | Impaired Real Estate Owned [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	1,900	[1]	2,600	[1]
Significant Unobservable Inputs (Level 3) [Member] | Weighted Average [Member] | Impaired Loans Held For Sale [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]
Fair Value	$ 400	[1]	$ 2,400	[1]

[1] Average was computed by dividing the aggregate appraisal amounts by the number of appraisals.