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

3 Months Ended

Mar. 31, 2024

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

Reconciliation of Cash, Cash Equivalents and Restricted Cash

The following table provides a reconciliation of cash and cash equivalents, and restricted cash reported within the condensed consolidated balance sheets that sum to the total of the same amounts shown in the condensed consolidated statements of cash flows (in thousands):

	March 31, 2024		December 31, 2023		March 31, 2023		December 31, 2022
Cash and cash equivalents	$	132,033	$	150,279	$	174,350	$	202,004
Restricted cash (1)		271		277		210		207
Total cash and cash equivalents, and restricted cash shown    in the condensed consolidated statements of cash flows	$	132,304	$	150,556	$	174,560	$	202,211

(1) Restricted cash is included in "Other assets" in the Condensed Consolidated Balance Sheets.

Summary of Cash, Cash Equivalents and Marketable Securities

Cash and cash equivalents, and marketable securities consist of the following (in thousands):

	Amortized Cost		Unrealized Gains		Unrealized Losses			Estimated Fair Value
March 31, 2024
Cash and cash equivalents:
Cash	$	11,397	$	-	$	-		$	11,397
Money market funds		120,106		-		-			120,106
Corporate debt securities		530		-		-			530
Total cash and cash equivalents		132,033		-		-			132,033
Marketable securities available-for-sale:
U.S. treasuries		102,575		20		(232	)		102,363
U.S. government agency securities		170,070		158		(367	)		169,861
Corporate debt securities		319,472		70		(261	)		319,281
Total marketable securities available-for-sale		592,117		248		(860	)		591,505
Total cash and cash equivalents, and marketable securities	$	724,150	$	248	$	(860	)	$	723,538
December 31, 2023
Cash and cash equivalents:
Cash	$	11,190	$	-	$	-		$	11,190
Money market funds		131,635		-		-			131,635
Corporate debt securities		7,453		1		-			7,454
Total cash and cash equivalents		150,278		1		-			150,279
Marketable securities available-for-sale:
U.S. treasuries		74,109		172		(44	)		74,237
U.S. government agency securities		216,265		692		(269	)		216,688
Corporate debt securities		300,803		315		(20	)		301,098
Total marketable securities available-for-sale		591,177		1,179		(333	)		592,023
Total cash and cash equivalents, and marketable securities	$	741,455	$	1,180	$	(333	)	$	742,302

Maturities of Marketable Securities Available-for-Sale

The maturities of our marketable securities available-for-sale are as follows (in thousands):

	March 31, 2024
	Amortized Cost		Estimated Fair Value
Mature in one year or less	$	371,571	$	371,273
Mature after one year through two years		220,546		220,232
	$	592,117	$	591,505