REDEEMABLE PREFERRED STOCK - Issuances, Reclassifications and Redemptions for each class of Preferred Stock in Permanent Equity (Details) - USD ($) $ in Thousands	12 Months Ended		87 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2023
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ 362,033	$ 373,549
Reclassification of Series A Preferred Stock to permanent equity	15,616	37,766
Ending balance	$ 376,769	$ 362,033	$ 376,769
Preferred Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)	13,570,353	11,715,354
Beginning balance	$ 337,762	$ 310,661
Ending balance (in shares)	17,858,629	13,570,353	17,858,629
Ending balance	$ 443,829	$ 337,762	$ 443,829
Series A1 Preferred Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)	5,956,147
Issuance of Preferred Stock	$ 101,729	135,391
Redemption of Preferred Stock	$ (2,025)	$ (227)
Ending balance (in shares)	10,378,343	5,956,147	10,378,343
Series A1 Preferred Stock | Preferred Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)	5,956,147	0
Beginning balance	$ 147,514	$ 0
Issuance of Preferred Stock (in shares)	4,507,292	5,966,077
Issuance of Preferred Stock	$ 111,520	$ 147,761
Redemption of Preferred Stock (in shares)	(85,096)	(9,930)
Redemption of Preferred Stock	$ (2,099)	$ (247)
Ending balance (in shares)	10,378,343	5,956,147	10,378,343
Ending balance	$ 256,935	$ 147,514	$ 256,935
Series A Preferred Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)	7,565,349
Redemption of Preferred Stock	$ (20,182)	(8,032)
Reclassification of Series A Preferred Stock to permanent equity	$ 15,616	$ 37,766	$ 199,600
Ending balance (in shares)	7,431,839	7,565,349	7,431,839
Series A Preferred Stock | Preferred Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)	7,565,349	6,271,337
Beginning balance	$ 189,048	$ 156,431
Redemption of Preferred Stock (in shares)	(823,681)	(336,753)
Redemption of Preferred Stock	$ (20,505)	$ (8,381)
Reclassification of Series A preferred Stock to permanent equity (in shares)	690,171	1,630,765
Reclassification of Series A Preferred Stock to permanent equity	$ 17,161	$ 40,998
Ending balance (in shares)	7,431,839	7,565,349	7,431,839
Ending balance	$ 185,704	$ 189,048	$ 185,704
Series D Preferred Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)	48,857
Redemption of Preferred Stock	$ (10)	$ (180)
Ending balance (in shares)	48,447	48,857	48,447
Series D Preferred Stock | Preferred Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)	48,857	56,857
Beginning balance	$ 1,200	$ 1,396
Redemption of Preferred Stock (in shares)	(410)	(8,000)
Redemption of Preferred Stock	$ (10)	$ (196)
Ending balance (in shares)	48,447	48,857	48,447
Ending balance	$ 1,190	$ 1,200	$ 1,190
Series L Preferred Stock | Preferred Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)	0	5,387,160
Beginning balance	$ 0	$ 152,834
Redemption of Preferred Stock (in shares)		(5,387,160)
Redemption of Preferred Stock		$ (152,834)
Ending balance (in shares)	0	0	0
Ending balance	$ 0	$ 0	$ 0