Investment Securities - Summary Of Interest Income On Available-For-Sale Investment Securities (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Schedule of Available-for-sale Securities [Line Items]
Total taxable interest income	$ 2,240	$ 1,874
Total tax-exempt interest income	248	302
Total interest income	2,488	2,176
U.S. Treasury and government sponsored entities
Schedule of Available-for-sale Securities [Line Items]
Total taxable interest income	1,713	1,186
U.S. Agency mortgage-backed securities
Schedule of Available-for-sale Securities [Line Items]
Total taxable interest income	20	17
Other
Schedule of Available-for-sale Securities [Line Items]
Total taxable interest income	507	671
Municipal securities
Schedule of Available-for-sale Securities [Line Items]
Total tax-exempt interest income	$ 248	$ 302