LEASES (Details - Maturities of Operating and Financing Lease Liabilities) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Operating Leases, After Adoption of 842
Remainder of 2019	$ 47,558
2020	89,784
2021	83,656
2022	73,751
2023	62,634
Thereafter	265,997
Total Lease Payments	623,380
Less imputed interest	(153,456)
Total	469,924
Financing Leases, After Adoption of 842
Remainder of 2019	2,854
2020	3,481
2021	2,614
2022	692
2023	0
Thereafter	0
Total Lease Payments	9,641
Less imputed interest	(456)
Total	$ 9,185
Lessee, Lease, Description [Line Items]
2019		$ 90,512
2020		80,501
2021		70,792
2022		58,806
2023		45,895
Thereafter		165,471
Total		511,977
Equipment
Lessee, Lease, Description [Line Items]
2019		14,924
2020		14,385
2021		12,966
2022		10,264
2023		7,095
Thereafter		5,144
Total		64,778
Facilities
Lessee, Lease, Description [Line Items]
2019		75,588
2020		66,116
2021		57,826
2022		48,542
2023		38,800
Thereafter		160,327
Total		$ 447,199