DESCRIPTION OF BUSINESS AND ORGANIZATION (Details)	12 Months Ended									116 Months Ended	236 Months Ended
	Dec. 31, 2014 Office	Dec. 31, 2013 Office	Dec. 31, 2012 Office	Dec. 31, 2011 Office	Dec. 31, 2010 Office	Dec. 31, 2009 Office	Dec. 31, 2008 Office	Dec. 31, 2007 Office	Dec. 31, 2006 Office	Dec. 31, 2004 Office	Dec. 31, 2014 Office
DESCRIPTION OF BUSINESS AND ORGANIZATION [Abstract]
Number of offices	67	66	65								67
Number of acquisitions	0	0	0	0	0	3	0	0	0	42	45
Number of de novo Developments	2	2	2	0	2	0	1	0	4	22	35
Office Consolidations/Closings	(1)	(1)	(1)	0	(2)	0	0	0	(1)	(7)	(13)