Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 391,219	$ 314,974
Accounts receivable, net	211,014	182,432
Income taxes receivable	5,091	5,099
Prepaid expenses	18,513	15,861
Inventory	67,201	60,603
Investment in equity securities	16,524	25,735
Other current assets	5,349	6,701
Assets held for sale	25,629	37,528
Total current assets	740,540	648,933
Property, plant and equipment, net	286,927	356,274
Note receivable	65,140	60,588
Restricted cash	79,595	79,561
Other long-term assets, net	50,374	54,152
Total assets	1,222,576	1,199,508
Current liabilities:
Accounts payable	44,334	43,080
Accrued expenses	111,839	108,610
Income taxes payable	10,449	8,272
Liabilities held for sale	4,200	5,607
Total current liabilities	170,822	165,569
Decommissioning liability	142,740	190,380
Deferred income taxes	16,225	12,441
Other long-term liabilities	82,169	89,385
Total liabilities	411,956	457,775
Stockholders’ equity (deficit):
Accumulated deficit	(94,834)	(162,178)
Total stockholders' equity	810,620	741,733
Total liabilities and stockholders' equity	1,222,576	1,199,508
Common Class A [Member]
Stockholders’ equity (deficit):
Common Stock $0.001 par value	200	200
Additional paid in capital	902,486	902,486
Common Class B [Member]
Stockholders’ equity (deficit):
Common Stock $0.001 par value	1	1
Additional paid in capital	$ 2,767	$ 1,224