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Commitments and Contingencies - Lease Cost (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Operating Lease Costs |  |  |  |
Operating lease costs before capitalized operating lease costs | $ 7,751 | $ 8,315 | $ 24,486 | $ 24,918
Operating lease costs capitalized | (778) | (20) | (2,315) | (27)
Operating Lease, Cost | 6,973 | 8,295 | 22,171 | 24,891
Finance Lease, Costs [Abstract] |  |  |  |
Interest on financing leases before capitalized interest | 2,198 | 813 | 6,010 | 2,425
Interest on financing leases capitalized | (588) | 0 | (2,378) | 0
Interest on financing leases, net | 1,610 | 813 | 3,632 | 2,425
Amortization of right-of-use assets | 304 | 304 | 914 | 914
Financing lease costs, net | $ 1,914 | $ 1,117 | $ 4,546 | $ 3,339

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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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