Investment Securities (Investments Gross Unrealized Losses and Fair Value in Continuous Unrealized Loss Position) (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months, Fair Value	$ 134,975	$ 131,732
Less than 12 months, Unrealized Losses	(2,854)	(3,346)
12 months or more, Fair Value	11,945	12,101
12 months or more, Unrealized Losses	(1,405)	(1,394)
Total, Fair Value	146,920	143,833
Total, Unrealized Losses	(4,259)	(4,740)
Mortgage-backed securities, Government sponsored agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months, Fair Value	61,001	58,056
Less than 12 months, Unrealized Losses	(1,132)	(1,156)
Total, Fair Value	61,001	58,056
Total, Unrealized Losses	(1,132)	(1,156)
Collateralized mortgage obligations, Government sponsored agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months, Fair Value	44,904	41,769
Less than 12 months, Unrealized Losses	(639)	(683)
12 months or more, Fair Value	4,540	4,688
12 months or more, Unrealized Losses	(161)	(160)
Total, Fair Value	49,444	46,457
Total, Unrealized Losses	(800)	(843)
Municipals [Member]
Schedule of Available-for-sale Securities [Line Items]
Less than 12 months, Fair Value	29,070	31,907
Less than 12 months, Unrealized Losses	(1,083)	(1,507)
12 months or more, Fair Value	338	337
12 months or more, Unrealized Losses	(1)	(1)
Total, Fair Value	29,408	32,244
Total, Unrealized Losses	(1,084)	(1,508)
Corporate obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
12 months or more, Fair Value	7,067	7,076
12 months or more, Unrealized Losses	(1,243)	(1,233)
Total, Fair Value	7,067	7,076
Total, Unrealized Losses	$ (1,243)	$ (1,233)