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SUMMARY OF ACCOUNTING POLICIES (Details - Investment in Joint Ventures) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Accounting Policies [Abstract]
Beginning balance	$ 37,973
Equity in earnings in these joint ventures	1,873	$ 2,977
Sale of ownership interest	(134)
Ending balance	$ 39,712

This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

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