Balance Sheets Details - Cash and Cash Equivalents (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021	Sep. 30, 2021
Cash and Cash Equivalents [Line Items]
Adjusted Cost	$ 108,689	$ 116,797	$ 119,189
Money Market Funds
Cash and Cash Equivalents [Line Items]
Adjusted Cost	83,599	86,095
Estimated Fair Value	83,599	86,095
Cash
Cash and Cash Equivalents [Line Items]
Adjusted Cost	$ 25,100	$ 30,700

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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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Balance Type:	debit
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