Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 11,915	$ 17,297	$ 16,102
Other comprehensive income (loss):
Net unrealized gain (loss) on cashflow hedge of $2,556, $459, and ($2,160) net of deferred taxes of $946, $170, and ($799) for the years ended December 31, 2017, 2016, and 2015 respectfully	1,610	289	(1,361)
Net unrealized gain (loss) on available for sale debt securities of $4,378, ($4,913), and ($1,852), net of deferred taxes of $1,620, ($1,818), and ($685) and reclassification adjustment for net realized gains (losses) included in net income of ($14), $1,127, and $1,444, net of tax of ($5), $417, and $534 for the years ended December 31, 2017, 2016, and 2015, respectfully	2,758	(3,095)	(1,167)
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, Net of Tax	328	0	0
Other Comprehensive Income (Loss), Net of Tax	4,696	(2,806)	(2,528)
Total comprehensive income	$ 16,611	$ 14,491	$ 13,574