Comprehensive Income - Reclassifications (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Comprehensive Income
Gain on sale of securities	$ 222	$ 5	$ 603	$ 126
Salaries and benefits	11,735	9,292	22,044	18,140
Income from continuing operations, before income taxes	3,712	2,967	6,494	5,745
Income tax expense	(1,254)	(888)	(2,134)	(1,906)
Net Income (loss)	6,499	1,905	8,295	4,008
Amount Reclassified from AOCI
Comprehensive Income
Net Income (loss)	98	(36)	291	(2)
Available-for-sale securities, Unrealized holding gains | Amount Reclassified from AOCI
Comprehensive Income
Gain on sale of securities	222	5	603	126
Income from continuing operations, before income taxes	222	5	603	126
Income tax expense	(89)	(2)	(241)	(50)
Net Income (loss)	133	3	362	76
Defined benefit pension plan items, Change in defined benefit pension plan | Amount Reclassified from AOCI
Comprehensive Income
Salaries and benefits	(59)	(64)	(118)	(128)
Income from continuing operations, before income taxes	(59)	(64)	(118)	(128)
Income tax expense	24	25	47	50
Net Income (loss)	$ (35)	$ (39)	$ (71)	$ (78)