Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 94,395	$ 195,808
Restricted cash and cash equivalents (primarily related to VIEs)	111,377	91,962
Receivables:
Trade less allowance for credit losses of $224 and $90, respectively (primarily related to VIEs)	164,050	208,704
Other	50,792	44,530
Inventories	38,092	45,037
Costs and estimated earnings in excess of billings on uncompleted contracts	29,243	18,367
Prepaid expenses and other	59,173	41,595
Total current assets	547,122	646,003
Investment in unconsolidated companies	144,585	125,439
Deposits and other	75,383	44,631
Deferred income taxes	153,936	152,570
Property, plant and equipment, net ($3,271,248 and $2,802,920 related to VIEs, respectively)	3,501,886	2,998,949
Construction-in-process ($251,442 and $376,602 related to VIEs, respectively)	755,589	814,967
Operating leases right of use ($13,989 and $9,326 related to VIEs, respectively)	32,114	24,057
Finance leases right of use (none related to VIEs)	2,841	3,510
Intangible assets, net	301,745	307,609
Goodwill	151,023	90,544
Total assets	5,666,224	5,208,279
Current liabilities:
Accounts payable and accrued expenses	234,334	214,518
Short term revolving credit lines with banks (full recourse)	0	20,000
Commercial paper (less deferred financing costs of $23 and $29, respectively)	99,977	99,971
Billings in excess of costs and estimated earnings on uncompleted contracts	23,091	18,669
Current portion of long-term debt:
Limited and non-recourse (primarily related to VIEs):	70,262	57,207
Full recourse	161,313	116,864
Financing liability	4,093	5,141
Operating lease liabilities	3,633	3,329
Finance lease liabilities	1,375	1,313
Total current liabilities	598,078	537,012
Long-term debt, net of current portion:
Limited and non-recourse (primarily related to VIEs and less deferred financing costs of $8,849 and $7,889, respectively)	578,204	447,389
Full recourse (less deferred financing costs of $4,671 and $3,056, respectively)	822,828	698,187
Convertible senior notes (less deferred financing costs of $6,820 and $8,146, respectively)	469,617	423,104
Financing liability	216,476	220,619
Operating lease liabilities	22,523	19,790
Finance lease liabilities	1,529	2,238
Liability associated with sale of tax benefits	152,292	184,612
Deferred income taxes	68,616	66,748
Liability for unrecognized tax benefits	6,272	8,673
Liabilities for severance pay	10,488	11,844
Asset retirement obligation	129,651	114,370
Other long-term liabilities	29,270	22,107
Total liabilities	3,105,844	2,756,693
Commitments and contingencies (Note 20)
Redeemable noncontrolling interest	9,448	10,599
The Company's stockholders' equity:
Common stock, par value $0.001 per share; 200,000,000 shares authorized; 60,500,580 and 60,358,887 issued and outstanding as of December 31, 2024 and December 31, 2023, respectively	61	60
Additional paid-in capital	1,635,245	1,614,769
Treasury stock, at cost (258,667 shares held as of December 31, 2024 and 2023, respectively)	(17,964)	(17,964)
Retained earnings	814,518	719,894
Accumulated other comprehensive loss	(6,731)	(1,332)
Total stockholders' equity attributable to Company's stockholders	2,425,129	2,315,427
Noncontrolling interest	125,803	125,560
Total equity	2,550,932	2,440,987
Total liabilities, redeemable noncontrolling interest and equity	$ 5,666,224	$ 5,208,279