Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 209,575	$ 195,383
Restricted cash	1,672	1,357
Short-term investments	2,252	0
Accounts receivables, net	110,607	166,694
Inventories, net	81,718	78,829
Assets held for sale	2,939	13,795
Other current assets	7,744	10,360
Total current assets	416,507	466,418
Property, plant and equipment, net	272,707	328,432
Goodwill	42,785	99,932
Intangible assets, net	7,897	16,971
Deferred tax assets, net	18,030	16,590
Operating lease right-of-use assets	28,116	32,585
Other assets	30,859	33,237
Total assets	816,901	994,165
Current liabilities:
Accounts payable and accrued liabilities	99,986	120,321
Current portion of operating lease liabilities	7,832	7,925
Deferred revenue	586	657
Other current liabilities	1,674	0
Total current liabilities	110,078	128,903
Deferred tax liabilities	1,548	2,923
Non-current operating lease liabilities	21,208	24,969
Other non-current liabilities	22,818	27,076
Total liabilities	155,652	183,871
Commitments and contingencies (Note 16)
Stockholders’ equity:
Common stock, €0.01 par value, 798,096,000 shares authorized, 228,806,301 and 227,000,507 shares issued and 226,324,559 and 225,510,650 shares outstanding	2,866	2,846
Additional paid-in capital	1,087,733	1,075,809
Accumulated deficit	(377,346)	(220,805)
Accumulated other comprehensive loss	(31,966)	(30,298)
Treasury stock (at cost), 2,481,742 and 1,489,857 shares	(20,038)	(17,258)
Total stockholders’ equity	661,249	810,294
Total liabilities and equity	$ 816,901	$ 994,165