SUMMARY OF ACCOUNTING POLICIES (Details - Investment in Joint Ventures) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Accounting Policies [Abstract]
Beginning balance			$ 34,470
Equity in earnings in these joint ventures	$ 945	$ 2,244	2,900	$ 4,117
Ending balance	$ 37,370		$ 37,370

Amount of income (loss) for proportionate share of equity method investee's income (loss).

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