CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Current assets:
Cash, cash equivalents, and restricted cash	$ 720,444	$ 65,442
Short-term marketable securities	2,249	2,201
Accounts receivable	50,889	88,244
Supplies	40,613	39,572
Prepaid expenses and other current assets	19,124	20,270
Total current assets	833,319	215,729
Property and equipment, net	61,315	67,817
Goodwill	19,344	19,344
Other assets	41,080	40,844
Total assets	955,058	343,734
Current liabilities:
Accounts payable	28,728	27,791
Accrued expenses and other current liabilities	61,357	77,542
Current portion of indebtedness	95	60,090
Total current liabilities	90,180	165,423
Long-term indebtedness, net of debt discounts	373,611	319,438
Warrant liabilities	0	91,642
Other long-term liabilities	38,363	44,418
Total liabilities	502,154	620,921
Commitments and contingencies (see note 9)
Redeemable convertible preferred stock:
Redeemable convertible preferred stock	0	2,221,651
Shareholders' equity (deficit):
Preferred stock, $0.001 par value per share; 100,000,000 and no shares authorized as of June 30, 2025 and December 31, 2024, respectively; no shares issued and outstanding as of June 30, 2025 and December 31, 2024	0	0
Common stock $0.001 par value; 2,800,000,000 and 1,150,000,000 shares authorized as of June 30, 2025 and December 31, 2024, respectively; 282,711,176 and 36,686,819 shares issued as of June 30, 2025 and December 31, 2024, respectively; 281,090,538 and 36,504,319 shares outstanding as of June 30, 2025 and December 31, 2024, respectively; shares issued and outstanding include 43,605 and 662,000 unvested shares subject to repurchase as of June 30, 2025 and December 31, 2024, respectively	282	38
Treasury stock at cost, 1,620,638 and 182,500 shares of common stock as of June 30, 2025 and December 31, 2024, respectively	(16,917)	(330)
Additional paid-in capital	3,123,888	0
Related party promissory note receivable (see note 7)	0	(26,456)
Accumulated deficit	(2,655,018)	(2,472,300)
Accumulated other comprehensive income	669	210
Total shareholders' equity (deficit)	452,904	(2,498,838)
Total liabilities, redeemable convertible preferred stock, and shareholders' equity (deficit)	955,058	343,734
Series A Preferred Stock
Redeemable convertible preferred stock:
Redeemable convertible preferred stock	0	709,261
Series B Preferred Stock
Redeemable convertible preferred stock:
Redeemable convertible preferred stock	0	42,963
Series C Preferred Stock
Redeemable convertible preferred stock:
Redeemable convertible preferred stock	0	408,715
Series D Preferred Stock
Redeemable convertible preferred stock:
Redeemable convertible preferred stock	$ 0	$ 1,060,712