ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES: (Details 3) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Incentive Award Plan [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Balance, beginning of period	$ 2,114	$ 5,345
Distribution	(1,370)	(594)
Net loss attributable to noncontrolling interests	0	0
Change in fair value	188	(12)
Balance, end of period	932	4,739
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	(188)	12
Employment Agreement Award [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Balance, beginning of period	13,688	11,374
Distribution	0	0
Net loss attributable to noncontrolling interests	0	0
Change in fair value	1,503	1,236
Balance, end of period	15,191	12,610
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	(1,503)	(1,236)
Redeemable Noncontrolling Interests [Member]
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Balance, beginning of period	11,999	12,853
Distribution	0	0
Net loss attributable to noncontrolling interests	(54)	123
Change in fair value	(897)	(1,111)
Balance, end of period	11,048	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	$ 0