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LEASES AND RELATED PARTY LEASES - Narrative (Details) | 9 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Sep. 30, 2019 USD ($) renewal_option | Sep. 30, 2018 USD ($) | Dec. 31, 2018 USD ($) | Jun. 30, 2019 USD ($)
Operating Leased Assets [Line Items] |  |  |  |
Number of renewal options (or more) | renewal_option | 1 |  |  |
Operating lease expense | $ 14,200,000 | $ 11,800,000 |  |
Right of use asset - operating leases | 97,738,000 |  |  |
Operating lease liability | 108,655,000 |  |  |
Operating lease expense, Topic 840 |  |  | $ 16,300,000 |
Future minimum lease payments, capital leases |  |  | $ 0 |
NEW JERSEY |  |  |  |
Operating Leased Assets [Line Items] |  |  |  |
Operating lease, term |  |  | 18 years |
Right of use asset - operating leases |  |  |  | $ 35,600,000
Operating lease liability |  |  |  | $ 35,600,000
Related Parties |  |  |  |
Operating Leased Assets [Line Items] |  |  |  |
Operating lease expense | $ 200,000 | $ 200,000 |  |
Operating lease expense, Topic 840 |  |  | $ 300,000 |
Percent of manufacturing facility owned by corporation whose shareholders are trusts whose beneficiaries include family members of company's former director | 50.00% |  |  |
Annual rate of lease agreement | $ 300,000 |  |  |
Related Parties | Five Year Option Lease From November 1, 2032 Through October 31, 2037 |  |  |  |
Operating Leased Assets [Line Items] |  |  |  |
Option to extend lease, years | 5 years |  |  |
Period for extended lease | November 1, 2032 through October 31, 2037 |  |  |
Related Parties | Five Year Option Lease From November 1, 2037 Through October 31, 2042 |  |  |  |
Operating Leased Assets [Line Items] |  |  |  |
Option to extend lease, years | 5 years |  |  |
Period for extended lease | November 1, 2037 through October 31, 2042 |  |  |

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- Definition Description of terms and conditions of option to extend lessee's operating lease. Includes, but is not limited to, information about option recognized as part of right-of-use asset and 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 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, 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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