CASH, CASH EQUIVALENTS AND INVESTMENTS (Tables)

12 Months Ended

Dec. 31, 2022

Investments, Debt and Equity Securities [Abstract]

Debt Securities, Available-for-Sale

The following table presents the Company’s cash, cash equivalents and short-term investments:

	December 31, 2022								December 31, 2021
(in thousands)	Amortized Cost Basis		Unrealized Gains		Unrealized Losses		Estimated Fair Value		Amortized Cost Basis		Unrealized Gains		Unrealized Losses		Estimated Fair Value
Cash:
Demand deposits	$	7,373	$	—	$	—	$	7,373	$	26,536	$	—	$	—	$	26,536
Cash equivalents:
Money market funds	64,855		—		—		64,855		1,152,761		—		—		1,152,761
U.S. agency securities	63,605		1		(2)		63,604		—		—		—		—
U.S. Treasury securities	795		—		—		795		—		—		—		—
Total cash equivalents	129,255		1		(2)		129,254		1,152,761		—		—		1,152,761
Total cash and equivalents	136,628		1		(2)		136,627		1,179,297		—		—		1,179,297
Short-term investments:
U.S. agency securities	979,878		361		(17)		980,222		—		—		—		—
U.S. Treasury securities	65,586		1		(91)		65,496		—		—		—		—
Total short-term investments	1,045,464		362		(108)		1,045,718		—		—		—		—
Total cash, cash equivalents and short-term investments	$	1,182,092	$	363	$	(110)	$	1,182,345	$	1,179,297	$	—	$	—	$	1,179,297

Schedule of Cash and Cash Equivalents

The following table presents the Company’s cash, cash equivalents and short-term investments:

	December 31, 2022								December 31, 2021
(in thousands)	Amortized Cost Basis		Unrealized Gains		Unrealized Losses		Estimated Fair Value		Amortized Cost Basis		Unrealized Gains		Unrealized Losses		Estimated Fair Value
Cash:
Demand deposits	$	7,373	$	—	$	—	$	7,373	$	26,536	$	—	$	—	$	26,536
Cash equivalents:
Money market funds	64,855		—		—		64,855		1,152,761		—		—		1,152,761
U.S. agency securities	63,605		1		(2)		63,604		—		—		—		—
U.S. Treasury securities	795		—		—		795		—		—		—		—
Total cash equivalents	129,255		1		(2)		129,254		1,152,761		—		—		1,152,761
Total cash and equivalents	136,628		1		(2)		136,627		1,179,297		—		—		1,179,297
Short-term investments:
U.S. agency securities	979,878		361		(17)		980,222		—		—		—		—
U.S. Treasury securities	65,586		1		(91)		65,496		—		—		—		—
Total short-term investments	1,045,464		362		(108)		1,045,718		—		—		—		—
Total cash, cash equivalents and short-term investments	$	1,182,092	$	363	$	(110)	$	1,182,345	$	1,179,297	$	—	$	—	$	1,179,297

Schedule of Investments Classified by Contractual Maturity Date

As of December 31, 2022, the fair values of available-for-sale investments, by remaining contractual maturity, were as follows:

(in thousands)
Due within one year	$	1,052,364
Due after one year through two years	57,753
Total	$	1,110,117