Other Comprehensive Income (Details 1) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Securities Available for Sale
Beginning balance	$ (1,060)	$ 5,383	$ (1,955)	$ 1,041
Unrealized gain on securities available for sale	15	(907)	1,243	4,110
Reclassification adjustment for net gains included in net income	(7)	1	(340)	(674)
Total unrealized gain (loss) on investment securities	8	(906)	903	3,436
Ending balance	(1,052)	4,477	(1,052)	4,477
Derivatives
Beginning balance	(61)	(6,707)	(426)	(850)
Unrealized gain (loss) on derivatives	347	1,756	1,350	(5,478)
Reclassification adjustment for amounts included in net income	(183)	(466)	(821)	911
Total unrealized gain (loss) on derivatives	164	1,290	529	(4,567)
Ending balance	103	(5,417)	103	(5,417)
Accumulated Other Comprehensive (Loss) Income
Beginning balance	(1,121)	(1,324)	(2,381)	191
Other comprehensive income (loss) before reclassifications	362	849	2,593	(1,368)
Amounts reclassified from accumulated other comprehensive income	(190)	(465)	(1,161)	237
Other comprehensive income (loss)	172	384	1,432	(1,131)
Ending balance	$ (949)	$ (940)	$ (949)	$ (940)