Securities - Schedule of Realized Gains (Losses) for Marketable Securities (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Marketable Securities [Abstract]
Available-for-sale Securities, Realized gains	$ 12	$ 0	$ 187	$ 28
Available-for-sale Securities, Realized losses	(1)	0	(1)	0
Available-for-sale Securities, gross realized gain (loss)	11	0	186	28
Held-To-Maturity Securities, Realized gains	0	0	0	0
Held-To-Maturity Securities, Realized losses	0	0	0	0
Held-to-maturity Securities, Realized gain (loss)	0	0	0	0
Net gains on sales of securities	$ 11	$ 0	$ 186	$ 28