LEASES (Details - Lease, Cost) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2019
Leases [Abstract]
Operating lease cost	$ 24,280	$ 47,072
Depreciation of leased equipment	785	1,567
Interest on lease liabilities	106	229
Total finance lease cost	$ 891	$ 1,796