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LEASES - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | Dec. 31, 2020
Leases [Abstract] |  |  |  |  |
Right-of-use operating lease assets | $ 230,650 |  | $ 230,650 |  | $ 241,342
Operating Lease, Liability, Current | 37,763 |  | 37,763 |  | 38,296
Operating Lease, Liability, Noncurrent |  |  |  |  | 257,424
Finance Lease, Right-of-Use Asset | 237,502 |  | 237,502 |  | 170,155
Finance Lease, Liability, Current | 89,694 |  | 89,694 |  | 63,454
Finance Lease, Liability, Noncurrent | 110,098 |  | 110,098 |  | $ 96,183
Operating Lease Expense, Net | 14,239 | $ 14,849 | 28,546 | $ 29,853 |
Finance Lease, Right-of-Use Asset, Amortization | 12,738 | 6,960 | 24,312 | 11,420 |
Finance Lease, Interest Expense | 2,121 | 1,477 | 4,222 | 2,504 |
Finance Lease, Cost | 14,859 | 8,437 | 28,534 | 13,924 |
Finance And Operating Lease, Lessee Expense | $ 29,098 | $ 23,286 | 57,080 | 43,777 |
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability |  |  | 11,215 | 15,430 |
Finance Lease, Interest Payment on Liability |  |  | 4,222 | 2,504 |
Operating Lease, Payments |  |  | $ 29,705 | $ 32,126 |
Operating Lease, Weighted Average Remaining Lease Term | 8 years 8 months 12 days | 9 years 3 months 18 days | 8 years 8 months 12 days | 9 years 3 months 18 days |
Finance Lease, Weighted Average Remaining Lease Term | 2 years 3 months 18 days | 2 years 10 months 24 days | 2 years 3 months 18 days | 2 years 10 months 24 days |
Operating Lease, Weighted Average Discount Rate, Percent | 5.59% | 5.86% | 5.59% | 5.86% |
Finance Lease, Weighted Average Discount Rate, Percent | 5.04% | 5.66% | 5.04% | 5.66% |

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- Definition Amount of interest expense on finance lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918638-209977 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=123414884&loc=SL77918982-209971 + Details
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- Definition Amount of interest paid on finance lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(1) -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918643-209977 + Details
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- Definition Amount of amortization expense attributable to right-of-use asset from finance lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918638-209977 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=123414884&loc=SL77918982-209971 + Details
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