Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 172,873	$ 135,033
Restricted cash	219,616	216,552
Accounts receivable, net of allowance of $7,351 at March 31, 2024 and $8,798 at December 31, 2023	148,822	243,811
Inventory, net	975,898	961,253
Contract assets	129,994	126,248
Prepaid expenses and other current assets	119,370	104,068
Total current assets	1,766,573	1,786,965
Restricted cash	775,595	817,559
Property, plant, and equipment, net	1,453,991	1,436,177
Right of use assets related to finance leases, net	56,131	57,281
Right of use assets related to operating leases, net	389,201	399,969
Equipment related to power purchase agreements and fuel delivered to customers, net	115,109	111,261
Contract assets	30,380	29,741
Intangible assets, net	183,325	188,886
Investments in non-consolidated entities and non-marketable equity securities	66,691	63,783
Other assets	10,310	11,116
Total assets	4,847,306	4,902,738
Current liabilities:
Accounts payable	285,546	257,828
Accrued expenses	154,814	200,544
Deferred revenue and other contract liabilities	179,902	204,139
Operating lease liabilities	65,250	63,691
Finance lease liabilities	9,602	9,441
Finance obligations	85,175	84,031
Current portion of long-term debt	2,786	2,716
Contingent consideration, loss accrual for service contracts, and other current liabilities	128,369	142,410
Total current liabilities	911,444	964,800
Deferred revenue and other contract liabilities	75,900	84,163
Operating lease liabilities	278,220	292,002
Finance lease liabilities	33,673	36,133
Finance obligations	264,610	284,363
Convertible senior notes, net	209,802	195,264
Long-term debt	1,013	1,209
Contingent consideration, loss accrual for service contracts, and other liabilities	143,522	146,679
Total liabilities	1,918,184	2,004,613
Stockholders' equity:
Common stock, $.01 par value per share; 1,500,000,000 shares authorized; Issued (including shares in treasury): 705,604,549 at March 31, 2024 and 625,305,025 at December 31, 2023	7,057	6,254
Additional paid-in capital	7,823,209	7,494,685
Accumulated other comprehensive loss	(9,078)	(6,802)
Accumulated deficit	(4,785,520)	(4,489,744)
Less common stock in treasury: 19,242,215 at March 31, 2024 and 19,169,366 at December 31, 2023	(106,546)	(106,268)
Total stockholders' equity	2,929,122	2,898,125
Total liabilities and stockholders' equity	$ 4,847,306	$ 4,902,738