Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 88,129	$ 195,808
Restricted cash and cash equivalents (primarily related to VIEs)	88,646	91,962
Receivables:
Trade less allowance for credit losses of $210 and $90 respectively (primarily related to VIEs)	153,074	208,704
Other	47,265	44,530
Inventories	47,408	45,037
Costs and estimated earnings in excess of billings on uncompleted contracts	31,345	18,367
Prepaid expenses and other	81,624	41,595
Total current assets	537,491	646,003
Investment in unconsolidated companies	126,767	125,439
Deposits and other	59,592	44,631
Deferred income taxes	199,010	152,570
Property, plant and equipment, net ($3,107,654 and $2,802,920 related to VIEs, respectively)	3,326,187	2,998,949
Construction-in-process ($390,703 and $376,602 related to VIEs, respectively)	847,048	814,967
Operating leases right of use ($12,823 and $9,326 related to VIEs, respectively)	30,205	24,057
Finance leases right of use (none related to VIEs)	2,843	3,510
Intangible assets, net	309,853	307,609
Goodwill	151,345	90,544
Total assets	5,590,341	5,208,279
Current liabilities:
Accounts payable and accrued expenses	217,927	214,518
Commercial paper (less deferred financing costs of $25 and $29, respectively)	99,975	99,971
Billings in excess of costs and estimated earnings on uncompleted contracts	10,005	18,669
Current portion of long-term debt:
Financing liability	4,093	5,141
Operating lease liabilities	4,178	3,329
Finance lease liabilities	1,330	1,313
Total current liabilities	566,334	537,012
Long-term debt, net of current portion:
Limited and non-recourse (primarily related to VIEs and less deferred financing costs of $8,375 and $7,889, respectively)	527,518	447,389
Full recourse (less deferred financing costs of $4,860 and $3,056, respectively)	846,183	698,187
Convertible senior notes (less deferred financing costs of $7,329 and $8,146, respectively)	469,108	423,104
Financing liability	216,476	220,619
Operating lease liabilities	22,348	19,790
Finance lease liabilities	1,589	2,238
Liability associated with sale of tax benefits	150,542	184,612
Deferred income taxes	77,487	66,748
Liability for unrecognized tax benefits	7,860	8,673
Liabilities for severance pay	10,234	11,844
Asset retirement obligation	126,980	114,370
Other long-term liabilities	42,843	22,107
Total liabilities	3,065,502	2,756,693
Commitments and contingencies (Note 9)
Redeemable noncontrolling interest	10,856	10,599
Equity:
Common stock, par value $0.001 per share; 200,000,000 shares authorized; 60,476,526 and 60,358,887 issued and outstanding as of September 30, 2024 and December 31, 2023, respectively	61	60
Additional paid-in capital	1,630,335	1,614,769
Treasury stock, at cost (258,667 shares held as of September 30, 2024 and December 31, 2023, respectively)	(17,964)	(17,964)
Retained earnings	780,959	719,894
Accumulated other comprehensive income (loss)	(4,594)	(1,332)
Total stockholders' equity attributable to Company's stockholders	2,388,797	2,315,427
Noncontrolling interest	125,186	125,560
Total equity	2,513,983	2,440,987
Total liabilities, redeemable noncontrolling interest and equity	5,590,341	5,208,279
Senior Secured Notes
Current portion of long-term debt:
Limited and non-recourse (primarily related to VIEs)	67,979	57,207
Senior Unsecured Bonds
Current portion of long-term debt:
Full recourse	160,847	116,864
Revolving Credit Facility
Current liabilities:
Short term revolving credit lines with banks (full recourse)	$ 0	$ 20,000