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LEASE (FUTURE MINIMUM LEASE PAYMENTS TABLE) (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Lessee, Lease, Description [Line Items] |  |
Finance Leases - Year 1 |  | $ 6,237
Finance Leases - Year 2 |  | 2,740
Finance Leases - Year 3 |  | 1,631
Finance Leases - Year 4 |  | 579
Total minimum lease payments | $ 6,799 | 11,187
Less: imputed interest | (131) | (231)
Total lease liability | 6,668 | 10,956
Finance leases - rolling Year 1 | 3,700 |
Finance leases - rolling Year 2 | 1,997 |
Finance leases - rolling Year 3 | 1,000 |
Finance leases - rolling Year 4 | 102 |
Finance Lease, Liability | 6,668 | 10,956
Operating Leases [Member] |  |
Lessee, Lease, Description [Line Items] |  |
Operating Leases - Year 1 |  | 51,120
Operating Leases - Year 2 |  | 46,913
Operating Leases - Year 3 |  | 31,085
Operating Leases - Year 4 |  | 17,338
Operating Leases - Year 5 |  | 8,288
Thereafter |  | 8,397
Total minimum lease payments | 130,207 | 163,141
Less: Imputed Interest. | (14,392) | (21,213)
Total lease liability | 115,815 | 141,928
Operating leases - rolling Year 1 | 48,051 |
Operating leases - rolling Year 2 | 38,078 |
Operating leases - rolling Year 3 | 21,233 |
Operating leases - rolling Year 4 | 11,934 |
Operating leases - rolling Year 5 | 3,829 |
Operating leases - rolling Thereafter | 7,082 |
Sublease Income [Member] |  |
Lessee, Lease, Description [Line Items] |  |
Sub-lease income - Year 1 |  | (3,500)
Sub-lease income - Year 2 |  | (3,489)
Sub-lease income - Year 3 |  | (3,123)
Sub-lease income - Year 4 |  | (2,905)
Sub-lease income - Year 5 |  | (2,940)
Sub-lease income - thereafter |  | 490
Sublease Income Total | 13,771 | (16,447)
Sub-lease income - rolling Year 1 | (3,459) |
Sub-lease income - rolling Year 2 | (3,295) |
Sub-lease income - rolling Year 3 | (2,852) |
Sub-lease income - rolling Year 4 | (2,940) |
Sub-lease income - rolling Year 5 | (1,225) |
Sublease Income Total | $ (13,771) | $ 16,447

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