Investment Securities - Schedule Of Amortized Cost And Fair Value By Contractual Maturity Of Available-For-Sale Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 291,759	$ 281,310
U.S. Treasury and government sponsored entities
Schedule of Available-for-sale Securities [Line Items]
Within 1 year, amortized cost	14,995
1-5 years, amortized cost	223,121
Amortized Cost	238,116	226,624
Within 1 year, fair value	15,006
1-5 years, fair value	222,430
Total securities available for sale, fair value	$ 237,436
Within 1 year, weighted average yield	0.86%
1-5 years, weighted average yield	1.12%
Weighted average yield, total	1.10%
U.S. Agency mortgage-backed securities
Schedule of Available-for-sale Securities [Line Items]
1-5 years, amortized cost	$ 31
5-10 years, amortized cost	471
Over 10 years, amortized cost	316
Amortized Cost	818	1,024
1-5 years, fair value	30
5-10 years, fair value	465
Over 10 years, fair value	314
Total securities available for sale, fair value	$ 809
1-5 years, weighted average yield	1.99%
5-10 years, weighted average yield	2.94%
Over 10 years, weighted average yield	2.82%
Weighted average yield, total	2.86%
Corporate bonds
Schedule of Available-for-sale Securities [Line Items]
Within 1 year, amortized cost	$ 5,339
1-5 years, amortized cost	33,710
Amortized Cost	39,049	38,820
Within 1 year, fair value	5,346
1-5 years, fair value	33,672
Total securities available for sale, fair value	$ 39,018
Within 1 year, weighted average yield	1.30%
1-5 years, weighted average yield	1.10%
Weighted average yield, total	1.13%
Preferred stock
Schedule of Available-for-sale Securities [Line Items]
Over 10 years, amortized cost	$ 3,549
Amortized Cost	3,549	$ 2,999
Over 10 years, fair value	3,524
Total securities available for sale, fair value	$ 3,524
Over 10 years, weighted average yield	6.72%
Weighted average yield, total	6.72%