Investment Securities (Amortized Cost and Fair Values of Securities ) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2014	Dec. 31, 2013
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 270,914	$ 269,321
Gross Unrealized Gains	4,052	3,182
Gross Unrealized Losses	(5,860)	(8,155)
Fair Value	269,106	264,348
Mortgage-Backed Securities, Government Sponsored Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	110,919	104,006
Gross Unrealized Gains	1,821	1,700
Gross Unrealized Losses	(1,397)	(2,189)
Fair Value	111,343	103,517
Collateralized Mortgage Obligations, Government Sponsored Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	107,074	108,305
Gross Unrealized Gains	1,277	1,207
Gross Unrealized Losses	(1,646)	(1,934)
Fair Value	106,705	107,578
Federal Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	5	5,005
Gross Unrealized Losses		(231)
Fair Value	5	4,774
Municipals [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	28,270	27,357
Gross Unrealized Gains	922	257
Gross Unrealized Losses	(33)	(276)
Fair Value	29,159	27,338
Corporate Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	24,646	24,648
Gross Unrealized Gains	32	18
Gross Unrealized Losses	(2,784)	(3,525)
Fair Value	$ 21,894	$ 21,141