Fair Value Measurement (Schedule Of Quantitative Fair Value Measurements) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Fair Value	$ 23,349		133,968
Loans Measured For Impairment Using The Fair Value Of The Underlying Collateral [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Fair Value	2,648		24,167
Valuation technique	Fair Value of Collateral
Impaired Real Estate Owned [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Fair Value	20,701
Valuation technique	Fair Value of Property
Impaired real estate held-for-sale and held-for-investment [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Fair Value			55,955
Impaired Loans Held For Sale [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Fair Value			53,846
Minimum [Member] | Loans Measured For Impairment Using The Fair Value Of The Underlying Collateral [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Fair Value	100	[1],[2]
Valuation technique			$0.1
Minimum [Member] | Impaired Real Estate Owned [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Fair Value	300
Minimum [Member] | Impaired real estate held-for-sale and held-for-investment [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Valuation technique			$0.1
Minimum [Member] | Impaired Loans Held For Sale [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Valuation technique			$0.1
Maximum [Member] | Loans Measured For Impairment Using The Fair Value Of The Underlying Collateral [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Fair Value	2,600	[1],[2]
Valuation technique			$9.0
Maximum [Member] | Impaired Real Estate Owned [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Fair Value	8,400
Maximum [Member] | Impaired real estate held-for-sale and held-for-investment [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Valuation technique			$12.0
Maximum [Member] | Impaired Loans Held For Sale [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Valuation technique			$2.2
Weighted Average [Member] | Loans Measured For Impairment Using The Fair Value Of The Underlying Collateral [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Fair Value	500	[1],[2]
Valuation technique			0.4
Weighted Average [Member] | Impaired Real Estate Owned [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Fair Value	$ 1,700
Weighted Average [Member] | Impaired real estate held-for-sale and held-for-investment [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Valuation technique			1.7
Weighted Average [Member] | Impaired Loans Held For Sale [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]
Valuation technique			0.3

[1] Range and average appraised values were reduced by costs to sell.

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