Subsequent Events	6 Months Ended
Jun. 30, 2021
Subsequent Events [Abstract]
Subsequent Events	16. SUBSEQUENT EVENTS On August 9, 2021, the Company entered into a Credit Agreement (the “New Credit Facility”) with Blackstone Alternative Credit Advisors LP and the other lenders party thereto from time to time and Wilmington Trust, National Association, as administrative agent, that provides for (i) a senior secured term loan facility in an aggregate original principal amount of $200,000 and (b) a senior secured delayed draw term loan facility in an aggregate principal amount up to $100,000. In connection with the New Credit Facility, on August 9, 2021, the Company also sold 1,048,951 shares of the Company’s common stock at a price per share of $28.60 for gross proceeds of $30,000. The OrbiMed Loan was repaid in full and all commitments thereunder were terminated on August 9, 2021 in connection with the execution of the New Credit Facility. In connection with the payment of the OrbiMed Loan, we paid an exit fee of 7.0% and a repayment premium of 4.0% of the principal amount of the OrbiMed Loan repaid.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

Name:	us-gaap_SubsequentEventsTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration