Investment Securities - Schedule Of Amortized Cost And Fair Value By Contractual Maturity Of Available-For-Sale Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 233,034	$ 281,310
U.S. Treasury and government sponsored entities
Schedule of Available-for-sale Securities [Line Items]
1-5 years, Amortized Cost	181,920
Amortized Cost	181,920	226,624
1-5 years, Fair Value	182,774
Total securities available for sale, Fair Value	$ 182,774
1-5 years, Weighted Average Yield	1.26%
Weighted Average Yield, Total	1.26%
U.S. Agency mortgage-backed securities
Schedule of Available-for-sale Securities [Line Items]
1-5 years, Amortized Cost	$ 37
5-10 years, Amortized Cost	250
Over 10 years, Amortized Cost	588
Amortized Cost	875	1,024
1-5 years, Fair Value	36
5-10 years, Fair Value	248
Over 10 years, Fair Value	590
Total securities available for sale, Fair Value	$ 874
1-5 years, Weighted Average Yield	1.99%
5-10 years, Weighted Average Yield	3.04%
Over 10 years, Weighted Average Yield	2.82%
Weighted Average Yield, Total	2.85%
Corporate bonds
Schedule of Available-for-sale Securities [Line Items]
Within 1 year, Amorized Cost	$ 17,233
1-5 years, Amortized Cost	21,076
Amortized Cost	38,309	38,820
Within 1 year, Fair Value	17,388
1-5 years, Fair Value	21,149
Total securities available for sale, Fair Value	$ 38,537
Within 1 year, Weighted Average Yield	1.99%
1-5 years, Weighted Average Yield	1.07%
Weighted Average Yield, Total	1.48%
Preferred stock
Schedule of Available-for-sale Securities [Line Items]
Over 10 years, Amortized Cost	$ 998
Amortized Cost	998	$ 2,999
Over 10 years, Fair Value	997
Total securities available for sale, Fair Value	$ 997
Over 10 years, Weighted Average Yield	6.02%
Weighted Average Yield, Total	6.02%