REDEEMABLE PREFERRED STOCK - Series A1 and Series A Preferred Stock Narrative (Details) - USD ($)	3 Months Ended						9 Months Ended		72 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Dec. 31, 2021	Jan. 31, 2020
Class of Stock [Line Items]
Non-issuance offering costs for preferred stock and warrants							$ 9,100,000
Number of warrants included in preferred stock unit (in shares)											1
Warrant right to purchase a share of common stock (in shares)											0.25
Preferred stock, par value (in usd per share)	$ 0.001						$ 0.001		$ 0.001	$ 0.001
Temporary equity, liquidation preference per share (in usd per share)	$ 25.00						$ 25.00		$ 25.00	25.00
Net proceeds from issuance of preferred stock							$ 77,631,000	$ 20,899,000
Redeemable preferred stock deemed dividends	$ 0			$ 90,000			19,000	253,000
Reclassification of Series A Preferred Stock from temporary equity to permanent equity							24,373,000	34,552,000	$ 170,600,000
Series A Preferred Warrants
Class of Stock [Line Items]
Gross proceeds from issuance of preferred stock and warrants							761,000
Issuance offering costs for preferred stock and warrants							142,000
Reclassification to deferred rent receivable and charges							$ 5,000
Number of warrants included in preferred stock unit (in shares)											1
Warrants issued (in shares)	4,603,287						4,603,287		4,603,287
Series A1 Preferred Stock
Class of Stock [Line Items]
Preferred stock, par value (in usd per share)	$ 0.001	$ 0.001					$ 0.001		$ 0.001	0.001
Preferred stock, liquidation preference per share (in usd per share)	$ 25.00	$ 25.00					$ 25.00		$ 25.00	$ 25.00
Preferred stock, shares issued (in shares)	2,859,441						2,859,441		2,859,441	0
Gross proceeds from issuance of preferred stock and warrants							$ 69,500,000
Issuance offering costs for preferred stock and warrants							3,600,000
Reclassification to deferred rent receivable and charges							$ 793,000
Preferred stock, shares outstanding (in shares)	2,859,441						2,859,441		2,859,441	0
Preferred stock, shares redeemed (in shares)							0
Series A1 Preferred Stock | Preferred Stock, Shares Issued, One
Class of Stock [Line Items]
Preferred stock, shares issued (in shares)	2,859,441						2,859,441		2,859,441
Series A Preferred Stock
Class of Stock [Line Items]
Preferred stock, par value (in usd per share)	$ 0.001						$ 0.001		$ 0.001	$ 0.001
Preferred stock, liquidation preference per share (in usd per share)	$ 25.00						$ 25.00		$ 25.00	$ 25.00
Preferred stock, shares issued (in shares)	7,553,938						7,553,938		7,553,938	6,492,632
Gross proceeds from issuance of preferred stock and warrants							$ 205,400,000
Issuance offering costs for preferred stock and warrants							17,000,000
Reclassification to deferred rent receivable and charges							$ 1,900,000
Preferred stock, shares outstanding (in shares)	7,134,335						7,134,335		7,134,335	6,271,337
Number of shares included in preferred stock unit (in shares)											1
Preferred stock, par value (in usd per share)											$ 0.001
Temporary equity, liquidation preference per share (in usd per share)											$ 25.00
Redeemable preferred stock deemed dividends	$ 0			90,000			$ 19,000	$ 253,000
Reclassification of Series A Preferred Stock from temporary equity to permanent equity	$ 7,038,000	$ 9,668,000	$ 7,667,000	$ 13,828,000	$ 12,481,000	$ 8,243,000
Series A Preferred Stock | Preferred Stock, Shares Issued, One
Class of Stock [Line Items]
Preferred stock, shares issued (in shares)	8,251,657						8,251,657		8,251,657
Series A Preferred Stock | Preferred Stock, Shares Issued, Two
Class of Stock [Line Items]
Preferred stock, shares issued (in shares)	568,681						568,681		568,681
Net proceeds from issuance of preferred stock							$ 0
Series A Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares outstanding (in shares)	8,399,535						8,399,535		8,399,535
Preferred stock, shares redeemed (in shares)							420,803