Investment Securities - Summary Of Interest Income On Available-For-Sale Investment Securities (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013
Schedule of Available-for-sale Securities [Line Items]
Total taxable interest income	$ 1,874	$ 1,495
Total tax-exempt interest income	302	429
Total interest income	2,176	1,924
U.S. Treasury and government sponsored entities
Schedule of Available-for-sale Securities [Line Items]
Total taxable interest income	1,186	638
U.S. Agency mortgage-backed securities
Schedule of Available-for-sale Securities [Line Items]
Total taxable interest income	17	1
Other
Schedule of Available-for-sale Securities [Line Items]
Total taxable interest income	671	856
Municipal securities
Schedule of Available-for-sale Securities [Line Items]
Total tax-exempt interest income	$ 302	$ 429