Fair Value Measurements (Quantitative Information About Level 3 Assets Measured at Fair Value on a Nonrecurring Basis) (Details) (Nonrecurring [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2014		Dec. 31, 2013
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Collateral dependent impaired loans	$ 812		$ 11,177
Property acquired through foreclosure or repossession	302		435
Level 3 [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Collateral dependent impaired loans	812		11,177
Property acquired through foreclosure or repossession	$ 302		$ 435
Minimum [Member] | Collateral Dependent Impaired Loans [Member] | Appraisals Of Collateral [Member] | Level 3 [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount For Costs To Sell	0.00%		1.00%
Appraisal Adjustments	0.00%	[1]	0.00%	[1]
Minimum [Member] | Property Acquired Through Foreclosure Or Repossession [Member] | Appraisals Of Collateral [Member] | Level 3 [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount For Costs To Sell	0.00%		2.00%
Appraisal Adjustments	15.00%	[1]	0.00%	[1]
Maximum [Member] | Collateral Dependent Impaired Loans [Member] | Appraisals Of Collateral [Member] | Level 3 [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount For Costs To Sell	10.00%		45.00%
Appraisal Adjustments	15.00%	[1]	50.00%	[1]
Maximum [Member] | Property Acquired Through Foreclosure Or Repossession [Member] | Appraisals Of Collateral [Member] | Level 3 [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount For Costs To Sell	10.00%		10.00%
Appraisal Adjustments	22.00%	[1]	22.00%	[1]
Weighted Average [Member] | Collateral Dependent Impaired Loans [Member] | Appraisals Of Collateral [Member] | Level 3 [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount For Costs To Sell	8.00%		11.00%
Appraisal Adjustments	11.00%	[1]	2.00%	[1]
Weighted Average [Member] | Property Acquired Through Foreclosure Or Repossession [Member] | Appraisals Of Collateral [Member] | Level 3 [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]
Discount For Costs To Sell	6.00%		9.00%
Appraisal Adjustments	16.00%	[1]	13.00%	[1]

[1] Management may adjust appraisal values to reflect market value declines or other discounts resulting from its knowledge of the property.