v3.19.3.a.u2

Selected Quarterly Financial Data (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Quarterly Financial Information Disclosure [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total revenue | $ 14,055 | $ 17,046 | $ 13,083 | $ 16,025 | $ 35,421 | $ 41,757 | $ 28,851 | $ 29,039 | $ 60,209 | $ 135,068 | $ 205,825
Total operating expenses | 144,611 | 146,861 | 156,792 | 157,665 | 188,452 | 127,575 | 125,866 | 106,441 | 605,929 | 548,334 | 475,181
Loss from operations | $ (130,556) | $ (129,815) | $ (143,709) | $ (141,640) | $ (153,031) | $ (85,818) | $ (97,015) | $ (77,402) | $ (545,720) | $ (413,266) | $ (269,356)
Net loss per share attributable to common stockholders, basic and diluted (usd per share) | $ (0.37) | $ (0.37) | $ (0.41) | $ (0.40) | $ (1.14) | $ (1.32) | $ (1.43) | $ (1.16) | $ (1.55) | $ (4.95) | $ (4.18)
Accounting Standards Update 2016-02 |  |  |  |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |  |  |  |
New accounting pronouncement or change in accounting principle, effect of change on operating results |  | $ 1,000 | $ 200 | $ 200 |  |  |  |  |  |  |

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- Definition The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=117326831&loc=d3e1337-109256 + Details
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