COMPREHENSIVE INCOME - Reclassifications (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Comprehensive Income
Gain on sale of securities									$ 1,082	$ 130	$ 413
Salary and employee benefits									(45,225)	(36,073)	(27,774)
Income from continuing operations, before income taxes	$ 3,420	$ 3,441	$ 10,228	$ 2,612	$ 1,910	$ 1,912	$ 2,688	$ 3,332	13,355	9,489	2,903
Income tax expense									(4,378)	(2,886)	(248)
Net Income	$ 2,307	$ 2,310	$ 6,499	$ 1,796	$ 1,402	$ 1,406	$ 1,905	$ 2,103	12,912	6,816	2,079
Amount reclassified from AOCI
Comprehensive Income
Net Income									507	(76)	166
Available-for-sale securities | Amount reclassified from AOCI
Comprehensive Income
Gain on sale of securities									1,082	130	413
Income from continuing operations, before income taxes									1,082	130	413
Income tax expense									(433)	(52)	(165)
Net Income									649	78	248
Defined benefit pension plan items | Amount reclassified from AOCI
Comprehensive Income
Salary and employee benefits									(236)	(257)	(136)
Income from continuing operations, before income taxes									(236)	(257)	(136)
Income tax expense									94	103	54
Net Income									$ (142)	$ (154)	$ (82)