REDEEMABLE PREFERRED STOCK - Narrative (Details) - USD ($)	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Class of Stock [Line Items]
Gross proceeds from issuance of preferred stock and warrants	$ 212,300,000
Net proceeds from issuance of preferred stock	20,246,000	$ 15,484,000
Issuance offering costs for preferred stock and warrants	17,500,000
Non-issuance offering costs for preferred stock and warrants	$ 8,600,000
Series A Preferred Warrants
Class of Stock [Line Items]
Warrants issued (in shares)	4,603,287
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
Warrants outstanding (in shares)	4,294,512
Number of securities called by warrants or rights (in shares)	1,113,569
Series A1 Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares issued (in shares)	192,440		0
Gross proceeds from issuance of preferred stock and warrants	$ 4,800,000
Issuance offering costs for preferred stock and warrants	356,000
Reclassification to deferred rent receivable and charges	$ 60,000
Preferred stock, shares outstanding (in shares)	192,440		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)	192,440
Series A Preferred Stock
Class of Stock [Line Items]
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)	8,459,477
Preferred stock, shares redeemed (in shares)	360,861
Series A Preferred Stock | Preferred Stock, Shares Issued, One
Class of Stock [Line Items]
Preferred stock, shares issued (in shares)	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
Net proceeds from issuance of preferred stock	$ 0
Series D Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares issued (in shares)	56,857		56,857
Gross proceeds from issuance of preferred stock and warrants	$ 1,400,000
Issuance offering costs for preferred stock and warrants	35,000
Reclassification to deferred rent receivable and charges	$ 13,000
Preferred stock, shares outstanding (in shares)	56,857		56,857
Preferred stock, shares redeemed (in shares)	0