STOCK COMPENSATION PLANS (NQSO Oustanding) (Details) (USD $)	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2008
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term	4.51
Options Outstanding, Intrinsic Value	$ 659,896
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value	$ 659,896
Non-Qualified Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
NQSO's outstanding at end of year, weighted average exercise price (in dollars per share)	$ 16.56	$ 15.50	$ 15.40	$ 15.65
NQSO's outstanding	539,450	728,688	854,717	1,278,557
Options exercisable at year-end, weighted average exercise price (in dollars per share)	$ 16.56	$ 15.50	$ 14.84
Options exercisable at year-end (in shares)	539,450	728,688	717,705
Non-Qualified Stock Options [Member] | Year of Grant 2002 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
NQSO's outstanding at end of year, weighted average exercise price (in dollars per share)	$ 15.58
NQSO's outstanding	34,500
Options Outstanding, Remaining Contractual Life (in years)	<1 year
Options exercisable at year-end, weighted average exercise price (in dollars per share)	$ 15.58
Options exercisable at year-end (in shares)	34,500
Non-Qualified Stock Options [Member] | Year of Grant 2005 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
NQSO's outstanding at end of year, weighted average exercise price (in dollars per share)	$ 10.05
NQSO's outstanding	40,733
Options Outstanding, Remaining Contractual Life (in years)	3.1 years
Options exercisable at year-end, weighted average exercise price (in dollars per share)	$ 10.05
Options exercisable at year-end (in shares)	40,733
Non-Qualified Stock Options [Member] | Year of Grant 2006 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
NQSO's outstanding at end of year, weighted average exercise price (in dollars per share)	$ 13.24
NQSO's outstanding	121,246
Options Outstanding, Remaining Contractual Life (in years)	4.1 years
Options exercisable at year-end, weighted average exercise price (in dollars per share)	$ 13.24
Options exercisable at year-end (in shares)	121,246
Non-Qualified Stock Options [Member] | Year of Grant 2007 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
NQSO's outstanding at end of year, weighted average exercise price (in dollars per share)	$ 18.30
NQSO's outstanding	342,971
Options Outstanding, Remaining Contractual Life (in years)	5.1 -5.8 years
Options exercisable at year-end, weighted average exercise price (in dollars per share)	$ 18.30
Options exercisable at year-end (in shares)	342,971