Revenue from Contracts with Customers (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2018	Mar. 31, 2017
Sources of non-interest income [Abstract]
Other	[1]	$ 617	$ 665
Total non-interest income		4,679	4,727
Overdraft Fees [Member]
Sources of non-interest income [Abstract]
Non-interest income		827	859
Other [Member]
Sources of non-interest income [Abstract]
Non-interest income		114	79
Interchange Income [Member]
Sources of non-interest income [Abstract]
Non-interest income		1,306	1,266
Wealth Management Fees [Member]
Sources of non-interest income [Abstract]
Non-interest income		$ 1,815	$ 1,858

[1] Not within the scope of ASC 606.