SUMMARY OF ACCOUNTING POLICIES (Details - Investment in Joint Ventures) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures [Roll Forward]
Beginning balance			$ 34,470
Equity in earnings in these joint ventures	$ 2,276	$ 1,955	5,176	$ 6,072
Distributions from joint ventures			(5,706)
Equity contributions in existing joint ventures			1,631
Ending balance	$ 35,571		$ 35,571

Equity Contributions In Joint Ventures

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Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures

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Amount of distribution received from equity method investee for return on investment, classified as operating activities. Excludes distribution for return of investment, classified as investing activities.

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

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Amount of investment in equity method investee and investment in and advance to affiliate.

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