PRODUCT REVENUES, NET	3 Months Ended
Mar. 31, 2019
Revenue From Contract With Customer [Abstract]
PRODUCT REVENUES, NET	3. PRODUCT REVENUES, NET During the three months ended March 31, 2019, we recorded product revenues, net of $26.3 million, which consisted of commercial sales of ONPATTRO primarily in the U.S., along with sales in several European countries. We did not record any product revenues in the three months ended March 31, 2018. As of March 31, 2019 and December 31, 2018, net product revenue related receivables of $22.1 million and $13.1 million, respectively, were included in “Accounts receivable, net.”

The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-URI http://asc.fasb.org/topic&trid=49130388

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-URI http://asc.fasb.org/topic&trid=2122369

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