COMMON STOCK ACTIVITY (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares outstanding at beginning of year (in shares)	32,232,587
Common stock offerings (in shares)	106,751	1,246,400	890,085
Stock Issued During Period, Value, New Issues	$ 6,233	$ 78,868	$ 53,247
Dividend reinvestment plan (in shares)	4,536	3,626	3,577
Shares outstanding at end of year (in shares)	32,421,460	32,232,587
Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares outstanding at beginning of year (in shares)	32,232,587	30,937,225	29,928,490
Common stock offerings (in shares)	106,751	1,246,400	890,085
Stock options exercised (in shares)	0	0	4,500
Dividend reinvestment plan (in shares)	4,536	3,626	3,577
Incentive restricted stock granted (in shares)	100,622	71,642	112,099
Incentive restricted stock forfeited (in shares)	0	(2,375)	0
Director common stock awarded (in shares)	9,373	7,742	7,469
Director restricted stock granted (in shares)	0	0	417
Restricted stock withheld for tax obligations (in shares)	(32,409)	(31,673)	(9,412)
Shares outstanding at end of year (in shares)	32,421,460	32,232,587	30,937,225
Additional Paid-in Capital [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock Issued During Period, Value, New Issues	$ 6,233	$ 78,868	$ 53,247