Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Statement of Comprehensive Income [Abstract]
Net income	$ 4,065	$ 5,602	$ 9,084	$ 11,167
Net change in fair value of interest rate swap agreements designated as cash flow hedges:
Unrealized gain (loss) on interest rate swaps, net of tax of $14 and and ($1) for the three months ended June 30, 2016 and 2015, and $59 and $37 for the six months ended June 30, 2016 and 2015	(25)	2	(109)	(78)
Reclassification adjustment for losses recognized in earnings, net of tax of ($30) and ($33) for the three months ended June 30, 2016 and 2015, and ($62) and ($66) for the six months ended June 30, 2016 and 2015	56	61	114	123
Net change in fair value of interest rate swap agreements designated as cash flow hedges	31	63	5	45
Unrealized gains on other-than-temporarily impaired securities available for sale:
Unrealized gains (losses) arising during the period, net of tax of $179 and ($90) for the three months ended June 30, 2016 and 2015, and $276 and ($90) for the six months ended June 30, 2016 and 2015	(332)	165	(513)	165
Reclassification adjustment for realized gains included in net income, net of tax of $323 and $0 for the three months ended June 30, 2016 and 2015, and $323 and $0 for the six months ended June 30, 2016 and 2015	(599)	0	(599)	0
Unrealized gains on other-than-temporarily impaired securities available for sale	(931)	165	(1,112)	165
Unrealized gains (losses) on other securities available for sale:
Unrealized gains (losses) arising during the period, net of tax of ($991) and $3,488 for the three months ended June 30, 2016 and 2015, and ($2,936) and $838 for the six months ended June 30, 2016 and 2015	1,839	(6,475)	5,454	(1,556)
Reclassification adjustment for realized gains included in net income, net of tax of $29 and $165 for the three months ended June 30, 2016 and 2015, and $29 and $172 for the six months ended June 30, 2016 and 2015	(54)	(307)	(54)	(319)
Unrealized losses on other securities available for sale net of reclassification adjustment for realized gains included in net income	1,785	(6,782)	5,400	(1,875)
Other comprehensive income (loss)	885	(6,554)	4,293	(1,665)
COMPREHENSIVE INCOME (LOSS)	$ 4,950	$ (952)	$ 13,377	$ 9,502