LEASE (FUTURE MINIMUM LEASE PAYMENTS TABLE) (Details) - USD ($) $ in Thousands	Jun. 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	$ 13,508	16,760
Total lease liability	13,410	16,366
Finance leases - rolling Year 1	6,829
Finance leases - rolling Year 2	4,149
Finance leases - rolling Year 3	1,609
Finance leases - rolling Year 4	817
Finance leases - rolling Year 5	104
Finance leases - rolling Thereafter	0
Less: imputed interest	(98)	(394)
Finance Lease, Liability	13,410	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	188,114	203,737
Less: Imputed Interest.	(26,435)	(31,124)
Total lease liability	161,679	172,613
Operating leases - rolling Year 1	54,344
Operating leases - rolling Year 2	47,643
Operating leases - rolling Year 3	41,159
Operating leases - rolling Year 4	21,523
Operating leases - rolling Year 5	13,215
Operating leases - rolling Thereafter	10,230
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	(17,999)	(4,143)
Sub-lease income - rolling Year 1	(3,401)
Sub-lease income - rolling Year 2	(3,437)
Sub-lease income - rolling Year 3	(3,433)
Sub-lease income - rolling Year 4	(2,828)
Sub-lease income - rolling Year 5	(2,940)
Sub-lease income - rolling thereafter	(1,960)
Sublease Income Total	$ 17,999	$ 4,143