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Leases Leases - Finance and Operating Lease Information (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018
Finance lease cost |  |
Amortization of right-of-use assets | $ 1,416 |
Interest expense | 284 |
Operating lease cost | 13,684 |
Short-term lease cost | 479 |
Variable Lease, Cost | 36 |
Total lease cost | 15,899 |
Assets |  |
Operating lease, right-of-use asset | 65,496 | $ 0
Finance lease, right-of-use asset | 18,415 |
Lease, Right-Of-Use Asset | 83,911 |
Current liabilities: |  |
Operating lease liabilities | 6,652 | 0
Finance lease liabilities | 3,669 |
Non-current liabilities: |  |
Operating lease liabilities | 66,980 | $ 0
Finance lease liabilities | 12,037 |
Total lease liabilities | $ 89,338 |

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- Definition Amount of interest expense on finance 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 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918638-209977 Reference 3: 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 Present value of lessee's discounted obligation for lease payments from finance lease, classified as current. + 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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