ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES: (Details 4)	3 Months Ended	12 Months Ended
Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Incentive Award Plan [Member]
Fair Value Inputs, Discount Rate	10.75%	11.50%	10.75%
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	10.75%	11.50%	10.75%
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	12.50%	12.50%	11.50%
Fair Value Inputs, Long-term Revenue Growth Rate	2.00%	2.50%	2.00%
Fair Value Measurements, Valuation Techniques	Discounted Cash Flow

Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (bbb)

-URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258

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Percentage of assumed long-term growth in revenues, used as an input to measure fair value.

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Description of the inputs and valuation technique(s) used to measure fair value.

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