Investment Securities - Summary Of Interest Income On Available-For-Sale Investment Securities (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Schedule of Available-for-sale Securities [Line Items]
Total taxable interest income	$ 593	$ 514
Total tax-exempt interest income	137	145
Total interest income	730	659
U.S Treasury And Government Sponsored Entities
Schedule of Available-for-sale Securities [Line Items]
Total taxable interest income	335	207
U.S. Agency Mortgage-backed Securities
Schedule of Available-for-sale Securities [Line Items]
Total taxable interest income	0	0
Other
Schedule of Available-for-sale Securities [Line Items]
Total taxable interest income	258	307
Municipal Bonds
Schedule of Available-for-sale Securities [Line Items]
Total tax-exempt interest income	$ 137	$ 145