Investment Securities - Summary Of Interest Income On Available-For-Sale Investment Securities (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Schedule of Available-for-sale Securities [Line Items]
Total taxable interest income	$ 1,477	$ 1,272
Total tax-exempt interest income	167	208
Total interest income	1,644	1,480
U.S. Treasury and government sponsored entities
Schedule of Available-for-sale Securities [Line Items]
Total taxable interest income	1,120	775
U.S. Agency mortgage-backed securities
Schedule of Available-for-sale Securities [Line Items]
Total taxable interest income	13	9
Other
Schedule of Available-for-sale Securities [Line Items]
Total taxable interest income	344	488
Municipal securities
Schedule of Available-for-sale Securities [Line Items]
Total tax-exempt interest income	$ 167	$ 208