GOODWILL (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2012 Acquisitions	Dec. 31, 2011 Acquisitions	Dec. 31, 2012 Asset Protection	Dec. 31, 2011 Asset Protection	Dec. 31, 2010 Asset Protection
Changes in the carrying amount of goodwill
Balance at the beginning of the period	$ 86,871	[1]	$ 89,970		$ 38,713	$ 41,812	$ 48,158	$ 48,158	$ 48,158
Tax benefit of excess tax goodwill	(3,098)		(3,099)		(3,098)	(3,099)
Balance at the end of the period	83,773		86,871	[1]	35,615	38,713	48,158	48,158	48,158
Decrease in goodwill balance	$ 3,098		$ 3,099		$ 3,098	$ 3,099

[1] Recast from previously reported information