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Leases - Balance Sheet Location (Details) - USD ($) $ in Thousands | Sep. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Operating leases |  |
Operating lease right of use assets | $ 13,234 |
Operating lease liability, current | 3,131 |
Operating lease liability, noncurrent | 10,103 | $ 0
Total operating lease liabilities | 13,234 |
Finance leases |  |
Property, plant, and equipment | 3,448 |
Accumulated amortization | (2,828) |
Property, plant, and equipment - net | 620 |
Finance lease liability, current | 478 |
Finance lease liability, noncurrent | 142 |
Total finance lease liabilities | $ 620 | $ 974

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- Definition Present value of lessee's discounted obligation for lease payments 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 6 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980 Reference 2: 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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