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INCOME TAXES (Tables)

12 Months Ended

Dec. 31, 2025

Income Tax Disclosure [Abstract]

Schedule of Components of Income Before Income Taxes

The components of our income (loss) before income taxes for the years ended December 31, 2025, 2024 and 2023 are as follows:

(in thousands)						2025						2024						2023
Income (loss) before income taxes:
Domestic						$	13,858					$	(160,709)					$	(239,971)
Foreign						35,734						(89,287)						(122,341)
Total						$	49,592					$	(249,996)					$	(362,312)

Schedule of Components of Income Tax Provision

The components of income tax provision for the years ended December 31, 2025, 2024 and 2023 are as follows:

(in thousands)						2025						2024						2023
Current:
U.S. federal						$	—					$	24					$	135
State						99						301						(50)
Foreign						14,867						2,820						1,686
Total						$	14,966					$	3,145					$	1,771
Deferred:
U.S. federal						$	838					$	—					$	—
State						—						—						—
Foreign						(933)						(952)						(2,412)
Total						(95)						(952)						(2,412)
Total income tax provision (benefit)						$	14,871					$	2,193					$	(641)

Schedule of Cash Paid For Income Taxes (Net Of Refunds)

Summary of Significant Accounting Policies, cash paid for income taxes (net of refunds) during the year ended December 31, 2025, consisted of the following:

(in thousands)						2025
Federal						$	799
State:
Other (a)						492
Total State						492
Foreign:
Germany						2,431
Korea						1,860
Netherlands						1,723
China						559
Mexico						522
Other (a)						1,247
Total Foreign						8,342
Cash paid for income taxes (net of refunds)						$	9,633

(a) The amount of income taxes paid during the year does not meet the 5% disaggregation threshold and is included in Other.

Schedule of Deferred Tax Assets and Liabilities

The components of our net deferred income tax assets and net deferred income tax (liabilities) at December 31, 2025 and 2024 as follows:

(in thousands)						2025						2024
Deferred income tax assets:
Intangible assets						$	11,860					$	15,685
Stock options and restricted stock awards						1,666						3,032
Reserves and allowances						4,511						6,879
Net operating loss carryforwards						79,161						59,641
Tax credit carryforwards						32,287						31,326
Accrued liabilities						2,235						2,681
Deferred revenue						1,055						2,176
Lease tax assets						12,248						17,498
Research expenditures capitalization						31,905						44,773
Other						5,607						3,236
Valuation allowance						(170,425)						(168,299)
Total deferred income tax assets						$	12,110					$	18,628
Deferred income tax liabilities:
Intangible assets						$	1,171					$	2,081
Property and equipment						710						2,352
Lease tax liabilities						10,182						14,159
Other						—						49
Total deferred income tax liabilities						$	12,063					$	18,641
Net deferred income tax asset (liability)						$	47					$	(13)

Schedule of Unrecognized Tax Benefits Roll Forward

We include interest and penalties in the consolidated financial statements as a component of income tax expense.

						Unrecognized Tax Benefits(1)
(in thousands)						2025						2024						2023
Balance at January 1						$	(16,413)					$	(18,604)					$	(17,150)
Increases related to prior year tax positions						(240)						(1,170)						(99)
Decreases related to prior year tax positions						106						4,337						107
Decreases related to prior year tax positions as a result of lapse of statute						3,170						—						271
Decreases related to settlement						—						—						—
Increases related to current year tax positions						(933)						(976)						(1,733)
Increases related to acquired tax positions						—						—						—
Decreases related to acquired tax positions						—						—						—
Balance at December 31						$	(14,310)					$	(16,413)					$	(18,604)

(1) The unrecognized tax benefit balance as of December 31, 2025, 2024, and 2023 includes $0.5 million, $1.3 million, and $0.3 million of interest and penalty, respectively.

Schedule of Deferred Income Tax Asset Valuation Allowance

The following presents the changes in the balance of our deferred income tax asset valuation allowance:

Year Ended						Item						Balance at beginning of year						Additions (reductions) charged to expense						Other(1)						Balance at end of year
2025						Deferred income tax asset valuation allowance						$	168,299					$	(1,915)					$	4,041					$	170,425
2024						Deferred income tax asset valuation allowance						$	125,533					$	43,365					$	(599)					$	168,299
2023						Deferred income tax asset valuation allowance						$	100,694					$	23,606					$	1,233					$	125,533

(1) The Other portion of changes to our valuation allowance consists primarily of the impact of acquisitions and changes in foreign currency translation rates.

Schedule of Effective Tax Rate Reconciliation

The overall effective tax rate differs from the statutory federal tax rate for the years ended December 31, 2025 as follows:

(in thousands)			Amount						Percent
Tax provision based on the federal statutory rate			$	10,414					21.0		%
State and local income taxes(1)			79						0.2		%
Foreign tax effects
Belgium
Foreign income tax rate differential			(779)						(1.6)		%
Changes in valuation allowances			6,738						13.6		%
Deferred adjustments			(2,289)						(4.6)		%
Other			(588)						(1.2)		%
Germany
Changes in valuation allowances			(1,874)						(3.8)		%
Other			145						0.3		%
Netherlands
Changes in valuation allowances			1,623						3.3		%
Other			(344)						(0.7)		%
Switzerland
Changes in valuation allowances			1,708						3.4		%
Tax-deductible goodwill			(1,985)						(4.0)		%
Other			(409)						(0.8)		%
Other foreign jurisdictions			3,924						7.9		%
Effect of cross-border tax laws
Global intangible low-taxed income inclusion			5,980						12.1		%
Subpart F income inclusion			725						1.5		%
Tax credits
Research and development tax credits			(3,593)						(7.2)		%
Expired foreign tax credits			3,253						6.6		%
Changes in valuation allowances			(9,951)						(20.1)		%
Nontaxable or nondeductible items
Employee share-based payments			2,483						5.0		%
Equity method investment			(827)						(1.7)		%
Impairment of investments			1,338						2.7		%
Unremitted foreign earnings			838						1.7		%
Deferred adjustments			559						1.1		%
Payable adjustments			(637)						(1.3)		%
Other			791						1.6		%
Changes in unrecognized tax benefits			(2,451)						(4.9)		%
Total			$	14,871					30.0		%

(1) In 2025, state taxes in California, New York, New Jersey, New York City, and Michigan made up the majority (greater than 50%) of the tax effect in this category.

The overall effective tax rate differs from the statutory federal tax rate for the years ended December 31, 2024, and 2023 are as follows:

						% of Pretax (Loss) Income
						2024						2023
Tax provision based on the federal statutory rate						21.0		%				21.0		%
Increase in valuation allowances						(17.3)						(6.5)
Change in carryforward attributes						—						—
Global intangible low-taxed income inclusion						—						(0.4)
Non-deductible expenses						—						—
Non-deductible earnout expense						—						1.0
Goodwill impairment charge						(8.7)						(14.6)
Foreign income tax rate differential						0.2						0.5
Deemed income related to foreign operations						(0.6)						(0.3)
Tax rate change						(0.1)						—
Employee share-based payments						(0.3)						(0.5)
Other						(0.3)						(0.7)
Deferred and payable adjustments						1.3						(1.3)
Non-deductible penalties						—						—
State taxes, net of federal benefit, before valuation allowance						1.2						0.7
Return-to-provision adjustments						(0.5)						0.2
Other tax credits						2.0						1.1
Uncertain tax positions and audit settlements						1.3						—
Effective tax rate						(0.8)		%				0.2		%

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