Investment Securities (Investments Gross Unrealized Losses and Fair Value in Continuous Unrealized Loss Position) (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]
Total, Fair Value	$ 123,000	$ 147,800
Collateralized Mortgage Obligations, Government Sponsored Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months, Fair Value	48,246	51,753
Less than 12 months, Unrealized Losses	(1,394)	(1,934)
12 months or more, Fair Value	4,442
12 months or more, Unrealized Losses	(252)
Total, Fair Value	52,688	51,753
Total, Unrealized Losses	(1,646)	(1,934)
Federal Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months, Fair Value		4,769
Less than 12 months, Unrealized Losses		(231)
Total, Fair Value		4,769
Total, Unrealized Losses		(231)
Municipals [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months, Fair Value	2,764	11,264
Less than 12 months, Unrealized Losses	(8)	(245)
12 months or more, Fair Value	748	741
12 months or more, Unrealized Losses	(25)	(31)
Total, Fair Value	3,512	12,005
Total, Unrealized Losses	(33)	(276)
Corporate Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months, Fair Value	4,487	8,849
Less than 12 months, Unrealized Losses	(13)	(151)
12 months or more, Fair Value	8,432	3,336
12 months or more, Unrealized Losses	(2,771)	(3,374)
Total, Fair Value	12,919	12,185
Total, Unrealized Losses	(2,784)	(3,525)
Total Temporarily Impaired Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months, Fair Value	109,392	143,765
Less than 12 months, Unrealized Losses	(2,812)	(4,750)
12 months or more, Fair Value	13,622	4,077
12 months or more, Unrealized Losses	(3,048)	(3,405)
Total, Fair Value	123,014	147,842
Total, Unrealized Losses	(5,860)	(8,155)
Mortgage-Backed Securities, Government Sponsored Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months, Fair Value	53,895	67,130
Less than 12 months, Unrealized Losses	(1,397)	(2,189)
Total, Fair Value	53,895	67,130
Total, Unrealized Losses	$ (1,397)	$ (2,189)