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CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Current assets: |  |
Cash and cash equivalents | $ 135,033 | $ 690,630
Restricted cash | 216,552 | 158,958
Available-for-sale securities, at fair value (amortized cost of $0 and allowance for credit losses of $0 at December 31, 2023 and amortized cost of $1,355,614 and allowance for credit losses of $0 at December 31, 2022) |  | 1,332,943
Equity securities | 0 | 134,836
Accounts receivable, net of allowance of $8,798 at December 31, 2023 and $43 at December 31, 2022 | 243,811 | 129,450
Inventory, net | 961,253 | 645,636
Contract assets | 126,248 | 62,456
Prepaid expenses and other current assets | 104,068 | 150,389
Total current assets | 1,786,965 | 3,305,298
Restricted cash | 817,559 | 699,756
Property, plant, and equipment, net | 1,436,177 | 719,793
Right of use assets related to finance leases, net | 57,281 | 53,742
Right of use assets related to operating leases, net | 399,969 | 360,287
Equipment related to power purchase agreements and fuel delivered to customers, net | 111,261 | 89,293
Contract assets | 29,741 | 41,831
Goodwill | 0 | 248,607
Intangible assets, net | 188,886 | 207,725
Investments in non-consolidated entities and non-marketable equity securities | 63,783 | 31,250
Other assets | 11,116 | 6,694
Total assets | 4,902,738 | 5,764,276
Current liabilities: |  |
Accounts payable | 257,828 | 191,895
Accrued expenses | 200,544 | 156,430
Deferred revenue and other contract liabilities | 204,139 | 131,813
Operating lease liabilities | 63,691 | 48,861
Finance lease liabilities | 9,441 | 8,149
Finance obligations | 84,031 | 58,925
Current portion of long-term debt | 2,716 | 5,142
Contingent consideration, loss accrual for service contracts, and other current liabilities | 142,410 | 34,060
Total current liabilities | 964,800 | 635,275
Deferred revenue and other contract liabilities | 84,163 | 98,085
Operating lease liabilities | 292,002 | 271,504
Finance lease liabilities | 36,133 | 37,988
Finance obligations | 284,363 | 270,315
Convertible senior notes, net | 195,264 | 193,919
Long-term debt | 1,209 | 3,925
Contingent consideration, loss accrual for service contracts, and other liabilities | 146,679 | 193,051
Total liabilities | 2,004,613 | 1,704,062
Stockholders' equity: |  |
Common stock, $0.01 par value per share; 1,500,000,000 shares authorized; Issued (including shares in treasury): 625,305,025 at December 31, 2023 and 608,421,785 at December 31, 2022 | 6,254 | 6,084
Additional paid-in capital | 7,494,685 | 7,297,306
Accumulated other comprehensive loss | (6,802) | (26,004)
Accumulated deficit | (4,489,744) | (3,120,911)
Less common stock in treasury: 19,169,366 at December 31, 2023 and 18,076,127 at December 31, 2022 | (106,268) | (96,261)
Total stockholders' equity | 2,898,125 | 4,060,214
Total liabilities and stockholders' equity | $ 4,902,738 | $ 5,764,276

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