ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES: (Details 3) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Incentive Award Plan [Member]
Balance at December 31, 2012	$ 5,345	$ 5,096
Distribution	(594)
Net income (loss) attributable to noncontrolling interests	0	0
Change in enterprise fair value	(12)	0
Balance at June 30, 2013	4,739	5,096
The amount of total losses for the period included in earnings attributable to the change in unrealized losses relating to assets and liabilities still held at the reporting date	(12)	0
Employment Agreement Award [Member]
Balance at December 31, 2012	11,374	10,346
Distribution	0
Net income (loss) attributable to noncontrolling interests	0	0
Change in enterprise fair value	1,236	693
Balance at June 30, 2013	12,610	11,039
The amount of total losses for the period included in earnings attributable to the change in unrealized losses relating to assets and liabilities still held at the reporting date	(1,236)	(693)
Redeemable Noncontrolling Interests [Member]
Balance at December 31, 2012	12,853	20,343
Distribution	0
Net income (loss) attributable to noncontrolling interests	123	(567)
Change in enterprise fair value	(1,111)	(1,776)
Balance at June 30, 2013	11,865	18,000
The amount of total losses for the period included in earnings attributable to the change in unrealized losses relating to assets and liabilities still held at the reporting date	0	0
Redeemable Noncontrolling Interests [Member] | Reach Media, Inc. [Member]
Balance at December 31, 2012	12,853
Change in enterprise fair value	(988)
Balance at June 30, 2013	11,865
The amount of total losses for the period included in earnings attributable to the change in unrealized losses relating to assets and liabilities still held at the reporting date	$ 0