Fair Value Measurements (Summary Of Financial Assets Measured At Fair Value On A Recurring Basis) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale (amortized cost of $376,837 and $385,423, respectively)	$ 376,287	$ 382,479
Fair Value, Measurements, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Assets at Fair Value on a recurring basis	380,163	383,572
Fair Value, Measurements, Recurring [Member] | One-To-Four Family Residential [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held for sale	4,941	2,235
Fair Value, Measurements, Recurring [Member] | Government Guaranteed Commercial Real Estate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held for sale	754	769
Fair Value, Measurements, Recurring [Member] | Other Loans Held For Sale [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held for sale	46	56
Fair Value, Measurements, Recurring [Member] | Federal Agency Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale (amortized cost of $376,837 and $385,423, respectively)	117,395	120,773
Fair Value, Measurements, Recurring [Member] | Obligations Of State And Political Subdivisions [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale (amortized cost of $376,837 and $385,423, respectively)	33,194	32,636
Fair Value, Measurements, Recurring [Member] | Residential Mortgage-Backed Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale (amortized cost of $376,837 and $385,423, respectively)	180,801	183,170
Fair Value, Measurements, Recurring [Member] | Asset-Backed Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale (amortized cost of $376,837 and $385,423, respectively)	9,547	9,482
Fair Value, Measurements, Recurring [Member] | Equity Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale (amortized cost of $376,837 and $385,423, respectively)	35,350	36,418
Fair Value, Measurements, Recurring [Member] | Derivative Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative instrument	(1,865)	(1,967)
Fair Value, Measurements, Recurring [Member] | Level 1 Inputs [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Assets at Fair Value on a recurring basis	142	151
Fair Value, Measurements, Recurring [Member] | Level 1 Inputs [Member] | Equity Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale (amortized cost of $376,837 and $385,423, respectively)	142	151
Fair Value, Measurements, Recurring [Member] | Level 2 Inputs [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Assets at Fair Value on a recurring basis	380,021	383,421
Fair Value, Measurements, Recurring [Member] | Level 2 Inputs [Member] | One-To-Four Family Residential [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held for sale	4,941	2,235
Fair Value, Measurements, Recurring [Member] | Level 2 Inputs [Member] | Government Guaranteed Commercial Real Estate [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held for sale	754	769
Fair Value, Measurements, Recurring [Member] | Level 2 Inputs [Member] | Other Loans Held For Sale [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held for sale	46	56
Fair Value, Measurements, Recurring [Member] | Level 2 Inputs [Member] | Federal Agency Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale (amortized cost of $376,837 and $385,423, respectively)	117,395	120,773
Fair Value, Measurements, Recurring [Member] | Level 2 Inputs [Member] | Obligations Of State And Political Subdivisions [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale (amortized cost of $376,837 and $385,423, respectively)	33,194	32,636
Fair Value, Measurements, Recurring [Member] | Level 2 Inputs [Member] | Residential Mortgage-Backed Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale (amortized cost of $376,837 and $385,423, respectively)	180,801	183,170
Fair Value, Measurements, Recurring [Member] | Level 2 Inputs [Member] | Asset-Backed Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale (amortized cost of $376,837 and $385,423, respectively)	9,547	9,482
Fair Value, Measurements, Recurring [Member] | Level 2 Inputs [Member] | Equity Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Securities available for sale (amortized cost of $376,837 and $385,423, respectively)	35,208	36,267
Fair Value, Measurements, Recurring [Member] | Level 2 Inputs [Member] | Derivative Instrument [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative instrument	$ (1,865)	$ (1,967)