Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands		Sep. 30, 2020		Dec. 31, 2019
Current assets:
Cash and cash equivalents		$ 197,309		$ 71,173
Restricted cash and cash equivalents (primarily related to VIEs)		92,233		81,937
Receivables:
Trade less allowance for credit losses of $779 and $0, respectively (primarily related to VIEs)		157,497		154,525
Other		23,349		22,048
Inventories		34,384		34,949
Costs and estimated earnings in excess of billings on uncompleted contracts	[1]	18,123		38,365
Prepaid expenses and other		9,696		12,667
Total current assets		532,591		415,664
Investment in unconsolidated companies		91,277		81,140
Deposits and other		39,293		38,284
Deferred income taxes		108,145		129,510
Property, plant and equipment, net		2,036,821		1,971,415
Construction-in-process		463,073		376,555
Operating leases right of use		16,762		17,405
Finance leases right of use		12,399		14,161
Intangible assets, net		197,002		186,220
Goodwill		23,584		20,140
Total assets		3,520,947	[2],[3]	3,250,494
Current liabilities:
Accounts payable and accrued expenses		144,473		141,857
Short term revolving credit lines with banks (full recourse)		0		40,550
Commercial paper		0		50,000
Billings in excess of costs and estimated earnings on uncompleted contracts		7,683		2,755
Current portion of long-term debt:
Senior secured notes		24,836		24,473
Other loans		35,369		34,458
Full recourse		17,768		76,572
Operating lease liabilities		3,026		2,743
Finance lease liabilities		3,148		3,068
Total current liabilities		236,303		376,476
Long-term debt, net of current portion:
Senior secured notes (less deferred financing costs of $5,559 and $6,317, respectively)		320,936		339,336
Other loans (less deferred financing costs of $9,091 and $10,482, respectively)		293,415		317,395
Senior unsecured bonds (less deferred financing costs of $2,174 and $675, respectively)		696,868		286,453
Other loans (less deferred financing costs of $1,430 and $1,519, respectively)		64,150		68,747
Operating lease liabilities		13,407		14,008
Finance lease liabilities		9,706		11,209
Liability associated with sale of tax benefits		112,950		123,468
Deferred income taxes		101,886		97,126
Liability for unrecognized tax benefits		12,643		14,643
Liabilities for severance pay		18,132		18,751
Asset retirement obligation		52,193		50,183
Other long-term liabilities		7,812		8,039
Total liabilities		1,940,401		1,725,834
Commitments and contingencies (Note 9)
Redeemable noncontrolling interest		8,743		9,250
Equity:
Common stock, par value $0.001 per share; 200,000,000 shares authorized; 51,068,590 and 51,031,652 issued and outstanding as of September 30, 2020 and December 31, 2019, respectively		51		51
Additional paid-in capital		920,210		913,150
Retained earnings		534,984		487,873
Accumulated other comprehensive income (loss)		(15,503)		(8,654)
Total stockholders' equity attributable to Company's stockholders		1,439,742		1,392,420
Noncontrolling interest		132,061		122,990
Total equity		1,571,803		1,515,410
Total liabilities, redeemable noncontrolling interest and equity		$ 3,520,947		$ 3,250,494

[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 consolidated balance sheets. The contract liabilities balance at the beginning of the year was fully recognized as product revenues during the nine months ended September 30, 2020 as a result of performance obligations have been satisfied.

[2] Electricity segment assets include goodwill in the amount of $20.1 million and $19.9 million as of September 30, 2020 and 2019, respectively. ESMS segment assets include goodwill in the amount of $3.5 million and $0 million as of September 30, 2020 and 2019, respectively. No goodwill is included in the Product segment assets as of September 30, 2020 and 2019.

[3] Including unconsolidated investments 91,277 — — 91,277