Investment Securities - Schedule Of Amortized Cost And Fair Value By Contractual Maturity Of Available-For-Sale Securities (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Schedule of Available-for-sale Securities [Line Items]
Total securities available for sale, Amortized Cost	$ 236,504	$ 247,569
U.S. Treasury and government sponsored entities
Schedule of Available-for-sale Securities [Line Items]
1-5 years, Amortized Cost	178,294
5-10 years, Amortized Cost	479
Total securities available for sale, Amortized Cost	178,773	168,922
1-5 years, Fair Value	178,219
5-10 years, Fair Value	483
Total securities available for sale, Fair Value	178,702
1-5 years, Weighted Average Yield	1.07%
5-10 years, Weighted Average Yield	2.27%
Weighted Average Yield, Total	1.07%
U.S. Agency mortgage-backed securities
Schedule of Available-for-sale Securities [Line Items]
Within 1 year, Amorized Cost	245
1-5 years, Amortized Cost	81
5-10 years, Amortized Cost	328
Over 10 years, Amortized Cost	440
Total securities available for sale, Amortized Cost	1,094	25
Within 1 year, Fair Value	240
1-5 years, Fair Value	84
5-10 years, Fair Value	328
Over 10 years, Fair Value	442
Total securities available for sale, Fair Value	1,094
Within 1 year, Weighted Average Yield	1.85%
1-5 years, Weighted Average Yield	2.40%
5-10 years, Weighted Average Yield	3.43%
Over 10 years, Weighted Average Yield	3.64%
Weighted Average Yield, Total	3.08%
Corporate bonds
Schedule of Available-for-sale Securities [Line Items]
Within 1 year, Amorized Cost	736
1-5 years, Amortized Cost	36,009
5-10 years, Amortized Cost	2,000
Total securities available for sale, Amortized Cost	38,745	55,798
Within 1 year, Fair Value	741
1-5 years, Fair Value	36,641
5-10 years, Fair Value	2,019
Total securities available for sale, Fair Value	39,401
Within 1 year, Weighted Average Yield	0.87%
1-5 years, Weighted Average Yield	1.46%
5-10 years, Weighted Average Yield	1.04%
Weighted Average Yield, Total	1.42%
Preferred stock
Schedule of Available-for-sale Securities [Line Items]
Over 10 years, Amortized Cost	2,999
Total securities available for sale, Amortized Cost	2,999	2,999
Over 10 years, Fair Value	3,142
Total securities available for sale, Fair Value	$ 3,142
Over 10 years, Weighted Average Yield	5.61%
Weighted Average Yield, Total	5.61%