Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands		Jun. 30, 2022		Dec. 31, 2021
Current assets:
Cash and cash equivalents		$ 263,425		$ 239,278
Marketable securities at fair value		0		43,343
Restricted cash and cash equivalents (primarily related to VIEs)		92,956		104,166
Receivables:
Trade less allowance for credit losses of $90 and $90, respectively (primarily related to VIEs)		123,398		122,944
Other		18,910		18,144
Inventories		32,213		28,445
Costs and estimated earnings in excess of billings on uncompleted contracts	[1]	13,823		9,692
Prepaid expenses and other		40,883		35,920
Total current assets		585,608		601,932
Investment in unconsolidated companies		114,699		105,886
Deposits and other		40,942		78,915
Deferred income taxes		137,961		143,450
Property, plant and equipment, net		2,287,498		2,294,973
Construction-in-process		912,376		721,483
Operating leases right of use		19,935		19,357
Finance leases right of use		5,541		6,414
Intangible assets, net		347,216		363,314
Goodwill		90,200		89,954
Total assets		4,541,976	[2],[3],[4]	4,425,678
Current liabilities:
Accounts payable and accrued expenses		144,522		143,186
Billings in excess of costs and estimated earnings on uncompleted contracts		12,707		9,248
Current portion of long-term debt:
Limited and non-recourse (primarily related to VIEs)		76,976		61,695
Full recourse		101,614		313,846
Financing liability		13,039		10,835
Operating lease liabilities		2,242		2,564
Finance lease liabilities		2,013		2,782
Total current liabilities		353,113		544,156
Long-term debt, net of current portion:
Financing liability		236,057		242,029
Operating lease liabilities		17,394		16,462
Finance lease liabilities		4,135		4,361
Liability associated with sale of tax benefits		122,894		134,953
Deferred income taxes		80,965		84,662
Liability for unrecognized tax benefits		6,244		5,730
Liabilities for severance pay		14,288		15,694
Asset retirement obligation		87,483		84,891
Other long-term liabilities		4,254		4,951
Total liabilities		2,553,686		2,417,888
Commitments and contingencies (Note 10)
Redeemable noncontrolling interest		8,996		9,329
Equity:
Common stock, par value $0.001 per share; 200,000,000 shares authorized; 55,933,801 and 56,056,450 issued and outstanding as of June 30, 2022 and December 31, 2021, respectively		56		56
Additional paid-in capital		1,253,242		1,271,925
Treasury stock, at cost (258,667 and 0 shares held as of June 30, 2022 and December 31, 2021, respectively)		(17,964)		0
Retained earnings		601,441		585,209
Accumulated other comprehensive income (loss)		(4,148)		(2,191)
Total stockholders' equity attributable to Company's stockholders		1,832,627		1,854,999
Noncontrolling interest		146,667		143,462
Total equity		1,979,294		1,998,461
Total liabilities, redeemable noncontrolling interest and equity		4,541,976		4,425,678
Senior Secured Notes [Member]
Long-term debt, net of current portion:
Limited and non-recourse (primarily related to VIEs and less deferred financing costs of $10,129 and $11,304, respectively)		492,402		539,664
Senior Unsecured Bonds [Member]
Long-term debt, net of current portion:
Full recourse (less deferred financing costs of $3,223 and $3,659, respectively)		714,039		740,335
Convertible Senior Notes [Member]
Long-term debt, net of current portion:
Convertible senior notes (less deferred financing costs of $10,832 and $0, respectively)		$ 420,418		$ 0

[1] Contract assets and contract liabilities are presented as "Costs and estimated earnings in excess of billings on uncompleted contracts" and "Billings in excess of costs and estimated earnings on uncompleted contracts", respectively, on the condensed consolidated balance sheets. The contract liabilities balance at the beginning of the year was not yet fully recognized as product revenues during the six months ended June 30, 2022 as a result of performance obligations having not been fully satisfied yet.

[2] Electricity segment assets include goodwill in the amount of $85.6 million and $20.2 million as of June 30, 2022 and 2021, respectively. Energy Storage segment assets include goodwill in the amount of $4.6 million and $4.6 as of June 30, 2022 and 2021, respectively. No goodwill is included in the Product segment assets as of June 30, 2022 and 2021.

[3] Including unconsolidated investments

[4] Intersegment revenue are fully eliminated in consolidation.