Investment Securities - Schedule Of Amortized Cost And Fair Value By Contractual Maturity Of Available-For-Sale Securities (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 224,842	$ 281,310
U.S. Treasury and government sponsored entities
Schedule of Available-for-sale Securities [Line Items]
1-5 years, Amortized Cost	172,748
Amortized Cost	172,748	226,624
1-5 years, Fair Value	173,245
Total securities available for sale, Fair Value	$ 173,245
1-5 years, Weighted Average Yield	1.19%
Weighted Average Yield, Total	1.19%
U.S. Agency mortgage-backed securities
Schedule of Available-for-sale Securities [Line Items]
1-5 years, Amortized Cost	$ 44
5-10 years, Amortized Cost	271
Over 10 years, Amortized Cost	609
Amortized Cost	924	1,024
1-5 years, Fair Value	44
5-10 years, Fair Value	271
Over 10 years, Fair Value	611
Total securities available for sale, Fair Value	$ 926
1-5 years, Weighted Average Yield	2.19%
5-10 years, Weighted Average Yield	3.14%
Over 10 years, Weighted Average Yield	2.87%
Weighted Average Yield, Total	2.91%
Corporate bonds
Schedule of Available-for-sale Securities [Line Items]
Within 1 year, Amorized Cost	$ 10,623
1-5 years, Amortized Cost	28,348
Amortized Cost	38,971	38,820
Within 1 year, Fair Value	10,733
1-5 years, Fair Value	28,564
Total securities available for sale, Fair Value	$ 39,297
Within 1 year, Weighted Average Yield	1.92%
1-5 years, Weighted Average Yield	1.24%
Weighted Average Yield, Total	1.43%
Preferred stock
Schedule of Available-for-sale Securities [Line Items]
Over 10 years, Amortized Cost	$ 1,008
Amortized Cost	1,008	$ 2,999
Over 10 years, Fair Value	1,027
Total securities available for sale, Fair Value	$ 1,027
Over 10 years, Weighted Average Yield	4.15%
Weighted Average Yield, Total	4.15%