ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES: (Details 6) (Not Designated As Hedging Instrument [Member], Employment Agreement Award [Member], Corporate Selling General and Administrative Expense [Member], USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Not Designated As Hedging Instrument [Member] | Employment Agreement Award [Member] | Corporate Selling General and Administrative Expense [Member]
Amount of Gain (Loss) in Income of Derivative	$ (774)	$ (343)	$ (1,236)	$ (693)