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REDEEMABLE CONVERTIBLE PREFERRED STOCK - Narrative (Details) $ / shares in Units, $ in Thousands |  |  | 1 Months Ended | 3 Months Ended | 6 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Apr. 28, 2026 USD ($) | Apr. 14, 2026 USD ($) shares | Apr. 30, 2026 USD ($) shares | Aug. 31, 2024 USD ($) shares | Mar. 31, 2024 USD ($) shares | Jun. 30, 2026 USD ($) vote $ / shares | Jun. 30, 2025 USD ($) | Jun. 30, 2026 USD ($) vote day $ / shares | Jun. 30, 2025 USD ($) | Mar. 31, 2026 USD ($) | Dec. 31, 2025 USD ($) | Mar. 31, 2025 USD ($) | Dec. 31, 2024 USD ($)
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Accretion of redeemable convertible preferred stock (related party) |  |  |  |  |  | $ 224,425 |  |  |  |  |  |  |
Redeemable convertible preferred stock, (related party) |  |  |  |  |  | 2,906,257 | $ 1,864,590 | $ 2,906,257 | $ 1,864,590 | $ 2,389,452 | $ 2,283,490 | $ 1,664,767 | $ 1,299,842
Derivative liabilities associated with redeemable convertible preferred stock (related party) |  |  |  |  |  | 163,655 |  | 163,655 |  |  | 16,200 |  |
Change in fair value of derivative liabilities and subscription agreements associated with redeemable convertible preferred stock (related party) |  |  |  |  |  | 102,790 | 111,475 | 110,165 | 393,175 |  |  |  |
Series A Derivative Liability |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Redeemable convertible preferred stock, (related party) |  |  |  |  |  | 1,469,464 |  | 1,469,464 |  |  | 1,339,641 |  |
Series B Derivative Liability |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Redeemable convertible preferred stock, (related party) |  |  |  |  |  | 1,032,514 |  | 1,032,514 |  |  | 943,849 |  |
Series C Derivative Liability |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Redeemable convertible preferred stock, (related party) |  |  |  |  |  | 404,279 |  | 404,279 |  |  | 0 |  |
Related Party |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Accretion of redeemable convertible preferred stock (related party) |  |  |  |  |  |  | 199,823 | 330,387 | 564,748 |  |  |  |
Ayar | Series A Derivative Liability |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible preferred stock, liquidation preference amount |  |  |  |  |  | $ 1,470,200 |  | $ 1,470,200 |  |  | 1,350,400 |  |
Voting cap calculation denominator (in dollars per share) | $ / shares |  |  |  |  |  | $ 27.70 |  | $ 27.70 |  |  |  |  |
Certain adjustments, conversion price (in dollars per share) | $ / shares |  |  |  |  |  | 55.00 |  | 55.00 |  |  |  |  |
Initial conversion price (in dollars per share) | $ / shares |  |  |  |  |  | $ 35.9520 |  | $ 35.9520 |  |  |  |  |
Accretion of redeemable convertible preferred stock (related party) |  |  |  |  |  | $ 67,300 | (129,200) | $ 129,800 | (354,500) |  |  |  |
Redeemable convertible preferred stock, (related party) |  |  |  |  |  | 1,469,500 |  | 1,469,500 |  |  | 1,339,600 |  |
Derivative liabilities associated with redeemable convertible preferred stock (related party) |  |  |  |  |  | 700 |  | 700 |  |  | 10,800 |  |
Ayar | Series B Derivative Liability |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares issued (in shares) | shares |  |  |  | 75,000 |  |  |  |  |  |  |  |  |
Net proceeds received |  |  |  | $ 750,000 |  |  |  |  |  |  |  |  |
Convertible preferred stock, liquidation preference amount |  |  |  |  |  | $ 1,032,900 |  | $ 1,032,900 |  |  | 949,200 |  |
Voting cap calculation denominator (in dollars per share) | $ / shares |  |  |  |  |  | $ 31.20 |  | $ 31.20 |  |  |  |  |
Certain adjustments, conversion price (in dollars per share) | $ / shares |  |  |  |  |  | 55.00 |  | 55.00 |  |  |  |  |
Initial conversion price (in dollars per share) | $ / shares |  |  |  |  |  | $ 43.7990 |  | $ 43.7990 |  |  |  |  |
Accretion of redeemable convertible preferred stock (related party) |  |  |  |  |  | $ 45,200 | (70,600) | $ 88,700 | (210,200) |  |  |  |
Redeemable convertible preferred stock, (related party) |  |  |  |  |  | 1,032,500 |  | 1,032,500 |  |  | 943,800 |  |
Derivative liabilities associated with redeemable convertible preferred stock (related party) |  |  |  |  |  | $ 400 |  | $ 400 |  |  | 5,400 |  |
Ayar | Redeemable Convertible Preferred Stock |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Initial value (in dollars per share) | $ / shares |  |  |  |  |  | $ 10,000 |  | $ 10,000 |  |  |  |  |
Dividend rate (in percent) |  |  |  |  |  |  |  | 9.00% |  |  |  |  |
Shares issued on initial date outstanding threshold (in percent) |  |  |  |  |  |  |  | 10.00% |  |  |  |  |
Shares owned threshold (in percent) |  |  |  |  |  |  |  | 50.00% |  |  |  |  |
Threshold percentage of stock price trigger |  |  |  |  |  |  |  | 200.00% |  |  |  |  |
Trading days threshold | day |  |  |  |  |  |  |  | 20 |  |  |  |  |
Consecutive trading days threshold | day |  |  |  |  |  |  |  | 30 |  |  |  |  |
Liquidity conditions satisfied, threshold trading days | day |  |  |  |  |  |  |  | 15 |  |  |  |  |
Average daily VWAP, period |  |  |  |  |  |  |  | 5 days |  |  |  |  |
Optional redemption, average daily VWAP period |  |  |  |  |  |  |  | 20 days |  |  |  |  |
Callable term (in years) |  |  |  |  |  |  |  | 5 years |  |  |  |  |
Derivative liabilities associated with redeemable convertible preferred stock (related party) |  |  |  |  |  | $ 163,700 |  | $ 163,700 |  |  | 16,200 |  |
Change in fair value of derivative liabilities and subscription agreements associated with redeemable convertible preferred stock (related party) |  |  |  |  |  | (39,400) | $ 111,500 | (32,000) | $ 393,200 |  |  |  |
Ayar | Redeemable Convertible Preferred Stock | Series C Derivative Liability |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares issued (in shares) | shares |  |  | 55,000 |  |  |  |  |  |  |  |  |  |
Consideration to be received on agreement |  |  | $ 550,000 |  |  |  |  |  |  |  |  |  |
Ayar | Series C Derivative Liability |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Convertible preferred stock, liquidation preference amount |  |  |  |  |  | $ 566,900 |  | $ 566,900 |  |  |  |  |
Temporary equity, votes per share | vote |  |  |  |  |  | 301.4993 |  | 301.4993 |  |  |  |  |
Certain adjustments, conversion price (in dollars per share) | $ / shares |  |  |  |  |  | $ 16.30 |  | $ 16.30 |  |  |  |  |
Initial conversion price (in dollars per share) | $ / shares |  |  |  |  |  | $ 10.8160 |  | $ 10.8160 |  |  |  |  |
Accretion of redeemable convertible preferred stock (related party) |  |  |  |  |  | $ 111,900 |  | $ 111,900 |  |  |  |  |
Redeemable convertible preferred stock, (related party) |  |  |  |  |  | 404,300 |  | 404,300 |  |  |  |  |
Derivative liabilities associated with redeemable convertible preferred stock (related party) |  |  |  |  |  | $ 162,600 |  | $ 162,600 |  |  | $ 0 |  |
Ayar | Related Party | Series A Derivative Liability |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares issued (in shares) | shares |  |  |  |  | 100,000 |  |  |  |  |  |  |  |
Net proceeds received |  |  |  |  | $ 1,000,000 |  |  |  |  |  |  |  |
Ayar | Related Party | Redeemable Convertible Preferred Stock |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Net proceeds received | $ 550,000 |  |  |  |  |  |  |  |  |  |  |  |
Ayar | Related Party | Redeemable Convertible Preferred Stock | Series C Derivative Liability |  |  |  |  |  |  |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares issued (in shares) | shares |  | 55,000 |  |  |  |  |  |  |  |  |  |  |
Net proceeds received | 548,900 |  |  |  |  |  |  |  |  |  |  |  |
Consideration to be received on agreement |  | $ 550,000 |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on subscription agreements | 142,200 |  |  |  |  |  |  |  |  |  |  |  |
Temporary equity, fair value disclosure | $ 292,400 |  |  |  |  |  |  |  |  |  |  |  |

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