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LEASES AND RELATED PARTY LEASES - Future Minimum Lease Payment Under Operating Leases, After Adoption of 842 (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
--- | --- | ---
Operating Leased Assets [Line Items] |  |
2020 | $ 3,816 |
2021 | 13,505 |
2022 | 13,520 |
2023 | 11,078 |
2024 | 10,292 |
Thereafter | 88,176 |
Total minimum lease payments | 140,387 |
Less: Imputed interest | 39,091 |
Total lease liabilities | 101,296 |
Less: Current lease liabilities | 12,518 | $ 12,253
Long-term lease liabilities | 88,778 | $ 97,504
Related Parties |  |
Operating Leased Assets [Line Items] |  |
2020 | 74 |
2021 | 296 |
2022 | 296 |
2023 | 296 |
2024 | 296 |
Thereafter | 1,426 |
Total minimum lease payments | 2,684 |
Third Parties |  |
Operating Leased Assets [Line Items] |  |
2020 | 3,742 |
2021 | 13,209 |
2022 | 13,224 |
2023 | 10,782 |
2024 | 9,996 |
Thereafter | 86,750 |
Total minimum lease payments | $ 137,703 |

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- Definition Amount of lessee's undiscounted obligation for lease payment for operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918701-209980 + Details
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- Definition Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918701-209980 + Details
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- Definition Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918701-209980 + Details
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