CONSOLIDATED STATEMENTS OF REDEEMABLE CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS’ EQUITY (DEFICIT) (Parenthetical) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
May 31, 2018	Feb. 28, 2018	Dec. 31, 2019	Dec. 31, 2018
Issuance costs				$ 41,322
Series G Redeemable Convertible Preferred Stock
Issuance costs		$ 10,500	$ 10,517	10,517
Series H Redeemable Convertible Preferred Stock
Issuance costs	$ 400		$ 474	$ 474

The cash outflow for cost incurred directly with the issuance of an equity security.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3291-108585

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