ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES: (Details 4)	6 Months Ended		12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Incentive Award Plan [Member]
Fair Value Inputs, Discount Rate	10.80%	11.50%	10.80%
Fair Value Inputs, Long-term Revenue Growth Rate	3.00%	3.00%	3.00%
Fair Value Measurements, Valuation Techniques	Discounted Cash Flow
Employment Agreement Award [Member]
Fair Value Inputs, Discount Rate	10.80%	11.50%	10.80%
Fair Value Inputs, Long-term Revenue Growth Rate	3.00%	3.00%	3.00%
Fair Value Measurements, Valuation Techniques	Discounted Cash Flow
Redeemable Noncontrolling Interests [Member]
Fair Value Inputs, Discount Rate	13.50%	12.50%	11.50%
Fair Value Inputs, Long-term Revenue Growth Rate	1.50%	2.50%	2.00%
Fair Value Measurements, Valuation Techniques	Discounted Cash Flow
Redeemable Noncontrolling Interests [Member] | Reach Media, Inc. [Member]
Fair Value Inputs, Discount Rate	13.50%	12.50%	11.50%
Fair Value Inputs, Long-term Revenue Growth Rate	1.50%	2.50%	2.00%
Fair Value Measurements, Valuation Techniques	Discounted Cash Flow