EARNINGS PER COMMON SHARE (Schedule of Earnings Per Share, Basic and Diluted)(Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended												12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	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, 2017	Dec. 31, 2016	Dec. 31, 2015
Net income (loss)	$ 2,698	$ 3,412	$ 2,352	$ 2,800	$ 2,495	$ 2,411	$ 2,272	$ 2,460	$ 2,163	$ 1,909	$ 1,627	$ 1,409	$ 11,262	$ 9,638	$ 7,108
Weighted average shares outstanding - Basic (in shares)													12,682	12,652	12,629
Dilutive effect of common stock equivalents-options													22	17	10
Dilutive effect of common stock equivalents-restricted stock units													14
Weighted average shares outstanding - Diluted (in shares)													12,718	12,669	12,639
Income (loss) per common share - basic	$ 0.21	$ 0.27	$ 0.19	$ 0.22	$ 0.20	$ 0.19	$ 0.18	$ 0.19	$ 0.17	$ 0.15	$ 0.13	$ 0.11	$ 0.89	$ 0.76	$ 0.56
Income (loss) per common share - diluted	$ 0.21	$ 0.27	$ 0.19	$ 0.22	$ 0.20	$ 0.19	$ 0.18	$ 0.19	$ 0.17	$ 0.15	$ 0.13	$ 0.11	$ 0.89	$ 0.76	$ 0.56
Parent Company [Member]
Net income (loss)													$ 11,262	$ 9,638	$ 7,108