CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Cash Flows from Operating Activities:
Net loss	$ (79,330)	$ (56,250)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	8,440	9,595
Impairment losses	0	3,594
Stock-based compensation	15,390	2,686
Amortization of operating lease right-of-use assets	1,795	2,097
Loss on debt extinguishment	7,804	10,713
Amortization of debt issuance costs and other non-cash interest expense	2,300	4,147
Reduction in fair value of earnout	0	(5,956)
Deferred Taxes	(1,552)	(508)
Non-cash services acquired	11,124	9,794
Other	446	68
Change in operating assets and liabilities, net of acquisitions:
Accounts receivable	(113)	(1,185)
Prepaid expenses and other current assets	(4,810)	(691)
Contract assets	(4,507)	(5,570)
Inventories	(193)	1,597
Other assets	(374)	(3,806)
Accounts payable	3,488	(1,931)
Contract liabilities	(14,585)	5,179
Accrued expenses	10,522	8,650
Operating lease liabilities	(1,597)	(2,133)
Other liabilities	(212)	(93)
Net cash used in operating activities	(45,964)	(20,003)
Cash Flows from Investing Activities:
Purchases of property and equipment	(96,562)	(52,760)
Grant funding for property and equipment	41,850	29,730
Acquisitions, net of cash acquired	(32,597)	0
Purchase of Investment	(2,500)	0
Net cash used in investing activities	(89,809)	(23,030)
Cash Flows from Financing Activities:
Proceeds from term loan, net	0	57,922
Repayment of term loan	(64,420)	(56,574)
Borrowings from the credit facility	64,500	0
Repayments on the credit facility	(64,500)	0
Proceeds from the issuance of Common stock, net	45,886	0
Proceeds from the issuance of Class C preferred stock, net	116,047	46,425
Proceeds from the issuance of Class A common stock upon initial public offering, net of underwriting costs	409,405	0
Costs associated with initial public offering	(8,133)	0
Sale of noncontrolling interest	37,767	13,425
Redemptions of redeemable noncontrolling interests	0	(9,491)
Purchase of noncontrolling interest	(10,600)	0
Redemptions of Class A-1 redeemable preferred stock	(3,044)	0
Cash repayment of Preferred B dividends	(27,584)	0
Costs associated with the credit facility	(2,593)	0
Proceeds from the convertible note	0	4,968
Other	307	(1,746)
Net cash provided by financing activities	493,038	54,929
Effect of foreign exchange on cash and cash equivalents	125	23
Net increase in cash and cash equivalents	357,390	11,919
Cash and cash equivalent at the beginning of the period	55,930	30,279
Cash and cash equivalents at the end of the period	$ 413,320	$ 42,198