
	December 31,
	2023		2022
	(In thousands)
Deferred tax assets:
Net operating loss carryforwards	$	33,679	$	49,846

Tax credit carryforwards	88,147		92,368
Property, plant and equipment	21,387		15,328
Deferred interest expense	476		—
Accrued liabilities	37,832		39,929
Receivable	30,086		29,178
Unrealized foreign exchange loss	7,205		8,018
Revenue recognition	—		1,564
Operating lease liabilities	16,053		26,955
Other	15,219		14,665
Total deferred tax assets	250,084		277,851
Valuation allowance	(114,811)		(101,869)
Total deferred tax assets net of valuation allowance	135,273		175,982
Deferred tax liabilities:
Property, plant and equipment	34,206		50,215
Deferred gain	5,739		7,839
Unrealized foreign exchange gain	3,129		5,242
Unbilled receivables	8,995		822
Operating lease right of use assets	16,031		26,241
Other	5,533		7,433
Total deferred tax liabilities	73,633		97,792
Net deferred tax assets	$	61,640	$	78,190
Recognized as:
Other assets	$	73,585	$	86,616
Other non-current liabilities	(11,945)		(8,426)
Total	$	61,640	$	78,190

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