Cash, Cash Equivalents, Restricted Cash And Available-For-Sale Debt Securities

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Cash, Cash Equivalents, Restricted Cash And Available-For-Sale Debt Securities, Amortized Cost

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Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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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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Fair value portion 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.

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Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, 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.

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Amortized cost excluding accrued interest, after allowance for credit loss, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as current.

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Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.

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Financial Instruments - Investments in Debt and Marketable Equity Securities Disclosure (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022	Dec. 31, 2021
Cost or Amortized Cost
Cash and cash equivalents, at carrying value	$ 149,940	$ 239,840	$ 612,680
Restricted cash	2,416	2,406	36,047
Cash, Cash Equivalents, and Restricted Cash
Cash, cash equivalents, restricted cash and restricted cash equivalents	152,356	242,246	$ 648,727	$ 718,281
Fair Value, Measurements, Recurring
Cost or Amortized Cost
Restricted cash	2,416	2,406
Cash, cash equivalents, and available-for-sale debt securities, amortized cost	302,765	394,715
Unrealized Gains (Losses)
Unrealized Gains	50	28
Unrealized Losses	(356)	(758)
Estimated Fair Value
Cash equivalents	123,762	186,410
Cash, cash equivalents, and available-for-sale debt securities	302,459	393,985
Cash, Cash Equivalents, and Restricted Cash
Cash, cash equivalents, restricted cash and restricted cash equivalents	152,356	242,246
Long-term Investments
Debt Securities, Available-for-Sale, Excluding Accrued Interest, Noncurrent	9,572	29,480
Debt Securities, Available-for-Sale, Excluding Accrued Interest, Current	140,531	122,259
U.S. treasury securities \| Fair Value, Measurements, Recurring
Cost or Amortized Cost
Debt securities, available for sale, estimated fair value	113,265	126,405
Unrealized Gains (Losses)
Unrealized Gains	16	28
Unrealized Losses	(351)	(753)
Estimated Fair Value
Debt securities, available-for-sale, amortized cost	113,600	127,130
Long-term Investments
Debt Securities, Available-for-Sale, Excluding Accrued Interest, Noncurrent	4,939	29,480
Debt Securities, Available-for-Sale, Excluding Accrued Interest, Current	108,326	96,925
Agency bonds \| Fair Value, Measurements, Recurring
Cost or Amortized Cost
Debt securities, available for sale, estimated fair value	36,838	25,334
Unrealized Gains (Losses)
Unrealized Gains	34	0
Unrealized Losses	(5)	(5)
Estimated Fair Value
Debt securities, available-for-sale, amortized cost	36,809	25,339
Long-term Investments
Debt Securities, Available-for-Sale, Excluding Accrued Interest, Noncurrent	4,633	0
Debt Securities, Available-for-Sale, Excluding Accrued Interest, Current	32,205	25,334
Cash \| Fair Value, Measurements, Recurring
Cost or Amortized Cost
Cash and cash equivalents, at carrying value	26,178	53,430
Estimated Fair Value
Cash equivalents	26,178	53,430
Cash, Cash Equivalents, and Restricted Cash
Cash, cash equivalents, restricted cash and restricted cash equivalents	26,178	53,430
Money markets funds \| Fair Value, Measurements, Recurring
Cost or Amortized Cost
Cash and cash equivalents, at carrying value	123,762	186,410
Estimated Fair Value
Cash equivalents	123,762	186,410
Cash, Cash Equivalents, and Restricted Cash
Cash, cash equivalents, restricted cash and restricted cash equivalents	$ 123,762	$ 186,410