STOCK BASED COMPENSATION (Details 6) (USD $)	12 Months Ended
	Dec. 31, 2012 Time-Vested Restricted Shares [Member] 2010 Plan [Member]	Dec. 31, 2012 Time-Vested Restricted Shares [Member] 2010 Plan [Member] 5/22/2012 [Member]		Dec. 31, 2012 Time-Vested Restricted Shares [Member] 2010 Plan [Member] 5/22/2012 [Member]		Dec. 31, 2012 Time-Vested Restricted Shares [Member] 2010 Plan [Member] 5/22/2012 [Member] At The End of Period [Member]	Dec. 31, 2012 Time-Vested Restricted Shares [Member] 2010 Plan [Member] 11/10/2012 [Member]		Dec. 31, 2012 Time-Vested Restricted Shares [Member] 2010 Plan [Member] 11/10/2012 [Member] At The End of Period [Member]	Dec. 31, 2011 Time-Vested Restricted Shares [Member] 2010 Plan [Member] 5/24/2011 [Member]		Dec. 31, 2012 Time-Vested Restricted Shares [Member] 2010 Plan [Member] 5/24/2011 [Member] At The End of Period [Member]	Dec. 31, 2010 Time-Vested Restricted Shares [Member] 2010 Plan [Member] 5/25/2010 [Member]		Dec. 31, 2012 Time-Vested Restricted Shares [Member] 2010 Plan [Member] 5/25/2010 [Member] At The End of Period [Member]	Dec. 31, 2012 Time-Vested Restricted Shares [Member] 2005 Plan [Member] 2/16/2012 [Member]		Dec. 31, 2012 Time-Vested Restricted Shares [Member] 2005 Plan [Member] 2/16/2012 [Member] Ratably Over Period [Member]	Dec. 31, 2012 Time-Vested Restricted Shares [Member] 2005 Plan [Member] 4/5/2012 [Member]		Dec. 31, 2012 Time-Vested Restricted Shares [Member] 2005 Plan [Member] 4/5/2012 [Member] Ratably Over Period [Member]	Dec. 31, 2011 Time-Vested Restricted Shares [Member] 2005 Plan [Member] 2/10/2011 [Member]		Dec. 31, 2012 Time-Vested Restricted Shares [Member] 2005 Plan [Member] 2/10/2011 [Member] Ratably Over Period [Member]	Dec. 31, 2011 Time-Vested Restricted Shares [Member] 2005 Plan [Member] 2/17/2011 [Member]		Dec. 31, 2012 Time-Vested Restricted Shares [Member] 2005 Plan [Member] 2/17/2011 [Member] Ratably Over Period [Member]	Dec. 31, 2011 Time-Vested Restricted Shares [Member] 2005 Plan [Member] 5/3/2011 [Member]		Dec. 31, 2012 Time-Vested Restricted Shares [Member] 2005 Plan [Member] 5/3/2011 [Member] Ratably Over Period [Member]	Dec. 31, 2010 Time-Vested Restricted Shares [Member] 2005 Plan [Member] 2/11/2010 [Member]		Dec. 31, 2012 Time-Vested Restricted Shares [Member] 2005 Plan [Member] 2/11/2010 [Member] Ratably Over Period [Member]	Dec. 31, 2010 Time-Vested Restricted Shares [Member] 2005 Plan [Member] 2/25/2010 [Member]		Dec. 31, 2012 Time-Vested Restricted Shares [Member] 2005 Plan [Member] 2/25/2010 [Member] Ratably Over Period [Member]	Dec. 31, 2011 Performance-based Restricted Shares [Member] 2005 Plan [Member] 8/8/2011 [Member]		Dec. 31, 2012 Minimum [Member] Time-Vested Restricted Shares [Member] 2010 Plan [Member]	Dec. 31, 2012 Maximum [Member] Time-Vested Restricted Shares [Member] 2010 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted		1,000		13,000			1,000			9,800			16,800			89,800			1,000			27,750			33,000			3,000			37,000			54,500			3,637
Fair value		$ 27.63	[1]	$ 27.63	[1]		$ 28.03	[1]		$ 28.88	[1]		$ 23.07	[1]		$ 27.81	[1]		$ 28.16	[1]		$ 27.58	[1]		$ 27.43	[1]		$ 29.00	[1]		$ 23.39	[1]		$ 25.12	[1]		$ 23.81	[1]
Vesting terms		Immediate upon grant		At the end of 5 years from grant date(2)	[2]		At the end of 5 years from grant date(2)	[2]		At the end of 5 years from grant date(2)	[2]		At the end of 3 years from grant date(2)	[2]		Ratably over 5 years from grant date			Ratably over 5 years from grant date			Ratably over 5 years from grant date			Ratably over 5 years from grant date			Ratably over 5 years from grant date			Ratably over 3 years from grant date			Ratably over 3 years from grant date			On December 31, 2014
Vesting period						5 years			5 years			5 years			3 years			5 years			5 years			5 years			5 years			5 years			3 years			3 years			3 years	5 years
Non-employee director removed from board, days company has right to repurchase unvested restricted stock	90 days
Non-employee director removed from board, company has right to repurchase unvested restricted stock (in dollars per share)	$ 1.00

[1] The fair value of the restricted stock awards are based upon the average of the high and low price at which the Company’s common stock traded on the date of grant. The holders of time-vested restricted stock awards participate fully in the rewards of stock ownership of the Company, including voting and dividend rights. The holders of performance-based restricted stock awards do not participate in the rewards of stock ownership of the Company until vested. The holders of all restricted stock awards are not required to pay any consideration to the Company for the awards.

[2] These restricted stock grants will vest at the end of a three or five year period, or earlier if the director ceases to be a director for any reason other than cause, such as, for example, by retirement. If a non-employee director is removed from the Board for cause, the Company has ninety (90) days within which to exercise a right to repurchase any unvested portion of any restricted stock award from the non-employee director for the aggregate price of one dollar ($1.00).