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Balance Sheet Details - Summary of Cash and Cash Equivalents (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019	Sep. 30, 2019	Dec. 31, 2018
Balance Sheet Related Disclosures [Abstract]
Cash and cash equivalents	$ 72,345	$ 21,661
Restricted cash	1,015	2,075
Total cash, cash equivalents and restricted cash	73,360	$ 23,736	$ 27,961	$ 95,401
Short-term restricted cash	15
Non-current restricted cash	$ 1,000

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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