Investment Securities - Schedule Of Amortized Cost And Fair Value By Contractual Maturity Of Debt Securities (Details) - Municipal securities $ in Thousands	Dec. 31, 2015 USD ($)
Schedule Of Debt Securities [Line Items]
Within 1 year, amortized cost	$ 1,140
1-5 years, amortized cost	7,730
5-10 years, amortized cost	2,260
Total debt securities, amortized cost	11,130
Within 1 year, fair value	1,144
1-5 years, fair value	7,885
5-10 years, fair value	2,256
Total debt securities, fair value	$ 11,285
Within 1 year, weighted average yield	1.91%
1-5 years, weighted average yield	2.89%
5-10 years, weighted average yield	4.19%
Weighted average yield, total	3.05%