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REDEEMABLE PREFERRED STOCK - Issuances, Reclassifications and Redemptions for each class of Preferred Stock in Permanent Equity (Details) - USD ($) $ in Thousands | 3 Months Ended | 22 Months Ended | 50 Months Ended | 90 Months Ended
--- | --- | --- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Mar. 31, 2024 | Mar. 31, 2024 | Mar. 31, 2024
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Beginning balance | $ 376,769 | $ 362,033 |  |  |
Reclassification of Series A Preferred stock to permanent equity | 0 | 8,812 |  |  |
Ending balance | $ 372,079 | $ 378,682 | $ 372,079 | $ 372,079 | $ 372,079
Preferred Stock |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Beginning balance (in shares) | 17,858,629 | 13,570,353 |  |  |
Beginning balance | $ 443,829 | $ 337,762 |  |  |
Ending balance (in shares) | 18,298,956 | 14,789,488 | 18,298,956 | 18,298,956 | 18,298,956
Ending balance | $ 454,782 | $ 367,988 | $ 454,782 | $ 454,782 | $ 454,782
Series A1 |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Beginning balance (in shares) | 10,378,343 |  |  |  |
Issuance of Series A1 Preferred Stock | $ 19,066 | 23,278 |  |  |
Redemption of Series A1 Preferred Stock (in shares) |  |  | (119,072) |  |
Redemption of Series A1 Preferred Stock | $ (567) | $ (302) |  |  |
Ending balance (in shares) | 11,208,176 |  | 11,208,176 | 11,208,176 | 11,208,176
Series A1 | Preferred Stock |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Beginning balance (in shares) | 10,378,343 | 5,956,147 |  |  |
Beginning balance | $ 256,935 | $ 147,514 |  |  |
Issuance of Series A1 Preferred Stock (in shares) | 853,879 | 1,032,433 |  |  |
Issuance of Series A1 Preferred Stock | $ 21,246 | $ 25,569 |  |  |
Redemption of Series A1 Preferred Stock (in shares) | (24,046) | (12,870) |  |  |
Redemption of Series A1 Preferred Stock | $ (595) | $ (319) |  |  |
Ending balance (in shares) | 11,208,176 | 6,975,710 | 11,208,176 | 11,208,176 | 11,208,176
Ending balance | $ 277,586 | $ 172,764 | $ 277,586 | $ 277,586 | $ 277,586
Series A |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Beginning balance (in shares) | 7,431,839 |  |  |  |
Redemption of Series A1 Preferred Stock | $ (9,643) | (4,682) |  |  |
Reclassification of Series A Preferred stock to permanent equity |  | $ 8,812 |  |  | $ 199,600
Ending balance (in shares) | 7,042,333 |  | 7,042,333 | 7,042,333 | 7,042,333
Series A | Preferred Stock |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Beginning balance (in shares) | 7,431,839 | 7,565,349 |  |  |
Beginning balance | $ 185,704 | $ 189,048 |  |  |
Redemption of Series A1 Preferred Stock (in shares) | (389,506) | (189,753) |  |  |
Redemption of Series A1 Preferred Stock | $ (9,698) | $ (4,723) |  |  |
Reclassification of Series A Preferred stock to permanent equity (in shares) |  | 389,325 |  |  |
Reclassification of Series A Preferred stock to permanent equity |  | $ 9,699 |  |  |
Ending balance (in shares) | 7,042,333 | 7,764,921 | 7,042,333 | 7,042,333 | 7,042,333
Ending balance | $ 176,006 | $ 194,024 | $ 176,006 | $ 176,006 | $ 176,006
Series D |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Beginning balance (in shares) | 48,447 |  |  |  |
Redemption of Series A1 Preferred Stock (in shares) |  |  |  | (8,410) |
Ending balance (in shares) | 48,447 |  | 48,447 | 48,447 | 48,447
Series D | Preferred Stock |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Beginning balance (in shares) | 48,447 | 48,857 |  |  |
Beginning balance | $ 1,190 | $ 1,200 |  |  |
Ending balance (in shares) | 48,447 | 48,857 | 48,447 | 48,447 | 48,447
Ending balance | $ 1,190 | $ 1,200 | $ 1,190 | $ 1,190 | $ 1,190

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