INCOME TAXES (Tables)

12 Months Ended

Dec. 31, 2022

Income Tax Disclosure [Abstract]

Schedule of Income (Loss) Before Income Tax Provision

Income (loss) before income tax:	Year ended December 31,
(in thousands)	2022		2021		2020
Domestic	$	24,680	$	(5,688)	$	(42,905)
Foreign	19,805		14,559		16,688
Income (loss) before income taxes	$	44,485	$	8,871	$	(26,217)

Schedule of Provision for (Benefit from) Income Taxes

Provision for (benefit from) income taxes:	Year ended December 31,
(in thousands)	2022		2021		2020
Current:
Federal	$	4,443	$	4	$	124
State	3,236		85		93
Foreign	3,730		2,469		2,103
Deferred:
Foreign	4,894		(6,941)		734
Total provision for (benefit from) income taxes	$	16,303	$	(4,383)	$	3,054

Schedule of Reconciliation of Provision for (Benefit from) Income Taxes

The difference between the tax provision at the statutory federal income tax rate and the provision for (benefit from) income tax as a percentage of income (loss) before income taxes (effective tax rate) for each period was as follows:

	Year ended December 31,
	2022		2021		2020
Statutory U.S. federal income tax rate	21	%	21	%	21	%
Increase (reduction) in rate resulting from:
State Taxes	7	%	—	%	—	%
Differential in rates on foreign earnings	1	%	42	%	(11)	%
Change in valuation allowance	15	%	(113)	%	(16)	%
Change in liabilities for uncertain tax positions	—	%	(2)	%	—	%
Non-deductible stock-based compensation	4	%	11	%	(2)	%
Permanent differences	(1)	%	—	%	(2)	%
Adjustments related to tax positions taken during prior years	(8)	%	(3)	%	—	%
Research and development credits	(2)	%	(10)	%	—	%
Other	—	%	3	%	(2)	%
Effective tax rate	37	%	(49)	%	(12)	%

Schedule of Components of Deferred Tax Assets and Liabilities

The components of deferred taxes are as follows:

	As of December 31,
(in thousands)	2022		2021
Deferred tax assets:
Reserves and accruals	$	27,376	$	24,833
Net operating loss carryforwards	16,032		33,070
Research and development credit carryforwards	28,952		39,730
Deferred stock-based compensation	1,376		1,354
Intangibles	6,384		7,321
Operating lease liabilities	7,423		8,697
Capitalized research and development expenses	36,210		9,681
Other	1,139		31
Gross deferred tax assets	124,892		124,717
Valuation allowance	(101,020)		(90,247)
Gross deferred tax assets after valuation allowance	23,872		34,470
Deferred tax liabilities:
Depreciation	(5,971)		(6,597)
Convertible notes	—		(3,652)
Operating lease right-of-use assets	(6,125)		(7,402)
Gross deferred tax liabilities	(12,096)		(17,651)
Net deferred tax assets	$	11,776	$	16,819

Schedule of Activities Related to Valuation Allowance

The following table summarizes the activities related to the Company’s valuation allowance:

	Year ended December 31,
(in thousands)	2022		2021		2020
Balance at beginning of period	$	90,247	$	99,585	$	95,518
Additions	10,773		310		6,690
Deductions	—		(9,648)		(2,623)
Balance at end of period	$	101,020	$	90,247	$	99,585

Schedule of Activities Related to Gross Unrecognized Tax Benefits

The following table summarizes the activities related to the Company’s gross unrecognized tax benefits:

	Year ended December 31,
(in millions)	2022		2021		2020
Balance at beginning of period	$	13.8	$	17.6	$	17.0
Increase in balance related to tax positions taken during current year	0.3		0.3		0.3
Decrease in balance as a result of a lapse of the applicable statutes of limitations	—		(0.2)		—
Increase in balance related to tax positions taken during prior years	—		—		0.3
Decrease in balance related to tax positions taken during prior years	(3.0)		(3.9)		—
Balance at end of period	$	11.1	$	13.8	$	17.6