Fair Value Measurements And Fair Values Of Financial Instruments (Additional Qualitative Information About Level 3 Assets) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2015		Dec. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring	3,102		4,372
Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring	3,102		4,372
Impaired Loans [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring	2,520	[1]	3,469	[1]
Impaired Loans [Member] | Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring	2,520	[1]	3,469	[1]
Impaired Loans [Member] | Level 3 [Member] | Minimum [Member] | Appraisal Adjustments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Inputs, Discount Rate	0.00%	[2]	0.00%	[2]
Impaired Loans [Member] | Level 3 [Member] | Minimum [Member] | Cost To Sell [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Inputs, Discount Rate	0.00%		0.00%
Impaired Loans [Member] | Level 3 [Member] | Maximum [Member] | Appraisal Adjustments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Inputs, Discount Rate	100.00%	[2]	100.00%	[2]
Impaired Loans [Member] | Level 3 [Member] | Maximum [Member] | Cost To Sell [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Inputs, Discount Rate	10.00%		10.00%
Impaired Loans [Member] | Level 3 [Member] | Weighted Average [Member] | Appraisal Adjustments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Inputs, Discount Rate	26.00%	[2]	26.00%	[2]
Impaired Loans [Member] | Level 3 [Member] | Weighted Average [Member] | Cost To Sell [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Inputs, Discount Rate	4.00%		5.00%
Other Real Estate Owned [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring	449	[1]	760	[1]
Other Real Estate Owned [Member] | Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring	449	[1]	760	[1]
Other Real Estate Owned [Member] | Level 3 [Member] | Cost To Sell [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Inputs, Discount Rate			8.00%
Other Real Estate Owned [Member] | Level 3 [Member] | Weighted Average [Member] | Cost To Sell [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Inputs, Discount Rate			8.00%
Mortgage Servicing Rights [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring	133		143
Mortgage Servicing Rights [Member] | Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets, Fair Value Disclosure, Nonrecurring	133	[3]	143	[3]

[1] Includes assets directly charged-down to fair value during the year-to-date period.

[2] Qualitative adjustments are discounts specific to each asset and are made as needed.

[3] Valuation and inputs are determined by a third-party pricing service without adjustment.