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Cash, Cash Equivalents, Marketable Securities, and Restricted Cash (Tables)

12 Months Ended

Dec. 31, 2021

Cash, Cash Equivalents, and Short-term Investments [Abstract]

Schedule of Cash and Available for Sale Securities

Cash, cash equivalents, and marketable securities are classified as current unless mentioned otherwise below and consisted of the following:

						As of December 31, 2021
(in thousands)						Cost						Gross Unrealized Gain						Gross Unrealized Loss						Fair Value
Cash and cash equivalents						$	245,197					$	—					$	—					$	245,197
Commercial paper						174,578						7						(54)						174,531
Corporate debt securities						32,322						—						(11)						32,311
Asset-backed securities						30,070						—						(14)						30,056
Money market						350						—						—						350
Certificate of deposit						51						—						—						51
						$	482,568					$	7					$	(79)					$	482,496
Included in cash and cash equivalents						$	245,197					$	—					$	—					$	245,197
Included in marketable securities						237,371						7						(79)						237,299
Total cash, cash equivalents, and marketable securities						$	482,568					$	7					$	(79)					$	482,496

						As of December 31, 2020
(in thousands)						Cost						Gross Unrealized Gain						Gross Unrealized Loss						Fair Value
Commercial paper						$	217,087					$	14					$	(6)					$	217,095
Cash and cash equivalents						163,240						—						—						163,240
U.S. government agency bonds						53,583						3						(4)						53,582
Corporate debt securities						39,525						4						(16)						39,513
Asset-backed securities						9,420						18						—						9,438
Money market						350						—						—						350
Certificate of deposit						51						—						—						51
						$	483,256					$	39					$	(26)					$	483,269
Included in cash and cash equivalents						$	163,240					$	—					$	—					$	163,240
Included in marketable securities						320,016						39						(26)						320,029
Total cash, cash equivalents, and marketable securities						$	483,256					$	39					$	(26)					$	483,269

Schedule of Reconciliation of Cash and Cash Equivalents and Restricted Cash

The following table provides a reconciliation of cash, cash equivalents, and restricted cash reported within the Consolidated Balance Sheets that sum to the total of the same such amounts shown in the Consolidated Statements of Cash Flows.

(in thousands)						December 31, 2021						December 31, 2020						December 31, 2019
Cash and cash equivalents						$	245,197					$	163,240					$	142,837
Restricted cash						4,259						2,922						3,506
Cash, cash equivalents, and restricted cash shown in the Consolidated Statements of Cash Flows						$	249,456					$	166,162					$	146,343

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Tabular disclosure of cash and cash equivalents restricted as to withdrawal or usage.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
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-Paragraph 1
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-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(2))
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-Name Accounting Standards Codification
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