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SIGNIFICANT ACCOUNTING POLICIES (Details - Investment in Joint Ventures) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Jun. 23, 2021	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures [Roll Forward]
Beginning balance				$ 34,528
Equity in earnings in these joint ventures		$ 2,853	$ 2,276	8,259	$ 5,176
Equity contributions in existing joint ventures	$ 1,400			1,441
Ending balance		$ 44,228		$ 44,228

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Equity Contributions In Joint Ventures

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

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