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LEASES - Description (Details) $ in Thousands | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2019 USD ($) lease | Dec. 31, 2018 USD ($) facility
Lessee, Lease, Description [Line Items] |  |
Number of operating leases | lease | 580 |
Number of subleases | lease | 14 |
Number of finance leases | lease | 65 |
Number of lessor owned properties | lease | 3 |
Lessee Operating Lease Existence Of Option To Extend | true |
Renewal option for lease facility (Number) | lease | 1 |
Exit-disposal cease use liability | $ |  | $ 18,800
Number of abandoned facility leases | facility |  | 17
Impairment of lease | $ | $ 17,900 |
Finance lease, accumulated amortization | $ | 1,700 |
Operating lease liabilities | $ | $ 75,169 |
Long-term operating lease liabilities | $ |  | $ 16,752
Minimum |  |
Lessee, Lease, Description [Line Items] |  |
Lessee operating lease renewal term | 1 year |
Maximum |  |
Lessee, Lease, Description [Line Items] |  |
Lessee operating lease renewal term | 5 years |

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Indicates (true false) whether lessee has option to extend 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 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980 + Details
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- Definition Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980 + Details
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- Definition Amount of loss from impairment of right-of-use asset from operating lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 25 -Paragraph 6 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=77888369&loc=SL77918431-209957 + Details
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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 Represent the noncurrent portion of a cease use liability. + References No definition available. + Details
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- Definition The amount of exit-disposal cease use liability. + References No definition available. + Details
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- Definition Accumulated amortization of finance lease.. + References No definition available. + Details
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- Definition Represents the number of abandoned facility leases. + References No definition available. + Details
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- Definition Number of finance leases. + References No definition available. + Details
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- Definition Renewal options available for number facility under leases. + References No definition available. + Details
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- Definition Number of lessor owned properties. + References No definition available. + Details
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- Definition Number od operating leases. + References No definition available. + Details
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- Definition Number of subleases + References No definition available. + Details
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