SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 2) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Property and Equipment
Total property and equipment, gross	$ 161,151	$ 151,016
Accumulated depreciation	(110,080)	(103,625)
Total property and equipment	51,071	47,391
Home office building
Property and Equipment
Useful life	39 years
Total property and equipment, gross	74,313	72,587
Furniture
Property and Equipment
Useful life	10 years
Office equipment and machines
Property and Equipment
Useful life	5 years
Software and computers
Property and Equipment
Useful life	3 years
Data processing equipment
Property and Equipment
Total property and equipment, gross	35,789	29,209
Other, principally furniture and equipment
Property and Equipment
Total property and equipment, gross	$ 51,049	$ 49,220