SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Property and Equipment) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Property, Plant and Equipment [Line Items]
Property and equipment	$ 49,247	$ 47,218
Land [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	7,414	7,163
Buildings [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	32,004	29,072
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	3,308	2,707
Computer Equipment and Software [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	3,289	3,197
Airplane [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	$ 3,232	$ 5,079