Investment Securities - Summary Of Available-For-Sale Securities (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 231,102	$ 247,569
Gross Unrealized Gains	1,510	1,516
Gross Unrealized Losses	394	397
Fair Value	232,218	248,688
U.S Treasury And Government Sponsored Entities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	159,935	168,922
Gross Unrealized Gains	130	103
Gross Unrealized Losses	334	323
Fair Value	159,731	168,702
Municipal Bonds
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	19,423	19,825
Gross Unrealized Gains	301	378
Gross Unrealized Losses	53	54
Fair Value	19,671	20,149
U.S Agency Mortgage-Backed Securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	25	25
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Fair Value	25	25
Corporate Bonds
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	48,720	55,798
Gross Unrealized Gains	957	1,000
Gross Unrealized Losses	7	20
Fair Value	49,670	56,778
Preferred Stock
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	2,999	2,999
Gross Unrealized Gains	122	35
Gross Unrealized Losses	0	0
Fair Value	$ 3,121	$ 3,034