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LEASES (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2019 | Jun. 30, 2019 | Dec. 31, 2018
Components of Lease Expense [Abstract] |  |  |
Amortization of ROU Assets - Finance Leases | $ 33 | $ 67 |
Interest on Lease Liabilities - Finance Leases | 12 | 25 |
Operating Lease Cost (Cost resulting from lease payments) | 1,978 | 3,969 |
Short-term Lease Cost | 31 | 100 |
Variable Lease Cost (Cost excluded from lease payments) | 61 | 121 |
Sublease Income | 0 | 0 |
Total Lease Cost | 2,115 | 4,282 |
Cash paid for amounts included in the measurement of lease liabilities [Abstract] |  |  |
Operating cash flows from operating leases |  | 3,963 |
Operating cash flows from finance leases |  | 25 |
Finance cash flows from finance leases |  | 57 |
Right-of-use assets obtained in exchange for lease obligations [Abstract] |  |  |
Operating leases |  | 21,396 |
Finance leases |  | 0 |
Operating Leases [Abstract] |  |  |
Operating lease right-of-use assets | 17,885 | 17,885 | $ 0
Operating lease liability, current | 6,238 | 6,238 | 0
Operating lease liability, long-term | 12,121 | 12,121 | $ 0
Total operating lease liabilities | 18,359 | 18,359 |
Finance Leases [Abstract] |  |  |
Property, plant and equipment, gross | 894 | 894 |
Accumulated depreciation | (202) | (202) |
Property, plant and equipment, net | 692 | 692 |
Other current liabilities | 120 | 120 |
Other long-term liabilities | 626 | 626 |
Total finance lease liabilities | $ 746 | $ 746 |
Weighted-Average Remaining Lease Term [Abstract] |  |  |
Operating leases | 3 years 7 months 24 days | 3 years 7 months 24 days |
Finance leases | 5 years 9 months 25 days | 5 years 9 months 25 days |
Weighted-Average Discount Rate [Abstract] |  |  |
Operating leases | 6.00% | 6.00% |
Finance leases | 6.50% | 6.50% |
Maturities of Operating Lease Liabilities [Abstract] |  |  |
2020 | $ 7,204 | $ 7,204 |
2021 | 5,549 | 5,549 |
2022 | 4,206 | 4,206 |
2023 | 2,440 | 2,440 |
2024 | 422 | 422 |
Thereafter | 305 | 305 |
Total undiscounted cash flows | 20,126 | 20,126 |
Less imputed interest | (1,767) | (1,767) |
Present value of lease liabilities | 18,359 | 18,359 |
Maturities of Finance Lease Liabilities [Abstract] |  |  |
2020 | 164 | 164 |
2021 | 163 | 163 |
2022 | 163 | 163 |
2023 | 163 | 163 |
2024 | 163 | 163 |
Thereafter | 67 | 67 |
Total undiscounted cash flows | 883 | 883 |
Less imputed interest | (137) | (137) |
Present value of lease liabilities | $ 746 | $ 746 |
Minimum [Member] |  |  |
Lessee Description [Abstract] |  |  |
Remaining lease term |  | 1 year |
Maximum [Member] |  |  |
Lessee Description [Abstract] |  |  |
Remaining lease term |  | 8 years |

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- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
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- Definition Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918643-209977 Reference 2: 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=77888426&loc=SL77918686-209980 + Details
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- Definition Amount of lessee's right to use underlying asset under operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918627-209977 + Details
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- Definition Weighted average discount rate for operating lease calculated at point in time. + 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)(4) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 Reference 2: 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=77888399&loc=SL77918982-209971 + Details
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- Definition Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: 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=77888399&loc=SL77918982-209971 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(3) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 + Details
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- Definition Amount of increase in right-of-use asset obtained in exchange for finance lease liability. + References Reference 1: 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=77888399&loc=SL77918982-209971 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(2) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 + Details
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- Definition Amount of increase in right-of-use asset obtained in exchange for operating lease liability. + References Reference 1: 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=77888399&loc=SL77918982-209971 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(2) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 + Details
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- Definition Amount of short-term lease cost, excluding expense for lease with term of one month or less. + 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 (c) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 Reference 2: 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=77888399&loc=SL77918982-209971 + Details
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- Definition Amount of sublease income excluding finance and operating lease expense. + 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 (e) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 Reference 2: 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=77888399&loc=SL77918982-209971 + Details
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