Other Non-Interest Income and Expenses other non-interest income (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Other non-interest income [Line Items]
Other Income	$ 4,830	$ 2,363	$ 2,600
Noninterest Income, Other Operating Income	6,934	3,877	3,080
Customer loan swaps
Other non-interest income [Line Items]
Interest and Other Income	$ 2,104	$ 1,514	$ 480