LEASE (FUTURE MINIMUM LEASE PAYMENTS TABLE) (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Lessee, Lease, Description [Line Items]
Finance Leases - Year 1		$ 7,594
Finance Leases - Year 2		5,587
Finance Leases - Year 3		2,139
Finance Leases - Year 4		1,109
Finance Leases - Year 5		331
Thereafter		0
Total minimum lease payments	$ 13,074	16,760
Total lease liability	12,797	16,366
Finance leases - rolling Year 1	6,808
Finance leases - rolling Year 2	3,552
Finance leases - rolling Year 3	1,849
Finance leases - rolling Year 4	852
Finance leases - rolling Year 5	13
Finance leases - rolling Thereafter	0
Less: imputed interest	(277)	(394)
Finance Lease, Liability	12,797	16,366
Operating Leases [Member]
Lessee, Lease, Description [Line Items]
Operating Leases - Year 1		54,903
Operating Leases - Year 2		47,892
Operating Leases - Year 3		43,590
Operating Leases - Year 4		28,124
Operating Leases - Year 5		14,494
Thereafter		14,734
Total minimum lease payments	174,217	203,737
Less: Imputed Interest.	(23,115)	(31,124)
Total lease liability	151,102	172,613
Operating leases - rolling Year 1	51,934
Operating leases - rolling Year 2	46,728
Operating leases - rolling Year 3	36,717
Operating leases - rolling Year 4	19,229
Operating leases - rolling Year 5	10,247
Operating leases - rolling Thereafter	9,362
Sublease Income [Member]
Lessee, Lease, Description [Line Items]
Sub-lease income - Year 1		(2,976)
Sub-lease income - Year 2		(621)
Sub-lease income - Year 3		(345)
Sub-lease income - Year 4		(201)
Sub-lease income - Year 5		0
Sublease Income Total	(17,208)	(4,143)
Sub-lease income - rolling Year 1	(3,443)
Sub-lease income - rolling Year 2	(3,455)
Sub-lease income - rolling Year 3	(3,293)
Sub-lease income - rolling Year 4	(2,852)
Sub-lease income - rolling Year 5	(2,940)
Sub-lease income - rolling thereafter	(1,225)
Sublease Income Total	$ 17,208	$ 4,143