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LEASES - Additional information (Details) $ in Thousands				3 Months Ended	7 Months Ended	10 Months Ended		12 Months Ended					13 Months Ended
	Nov. 01, 2021 $ / ft²	Nov. 01, 2020 $ / ft²	Sep. 17, 2020 USD ($) a	Dec. 31, 2020 USD ($) $ / ft²	Sep. 30, 2019 $ / ft²	Oct. 31, 2020 $ / ft²	Oct. 31, 2020 $ / ft²	Dec. 31, 2020 USD ($) lease	Dec. 31, 2019 USD ($)	Oct. 20, 2019 $ / ft²	Oct. 19, 2019 $ / ft²	Oct. 19, 2018 $ / ft²	Oct. 31, 2021 $ / ft²	Nov. 25, 2020 USD ($)	Mar. 03, 2020 USD ($)	Jan. 03, 2020 USD ($) a	Sep. 20, 2019 USD ($)	Jun. 01, 2019 USD ($)	Mar. 11, 2019 a	Oct. 20, 2017 USD ($) a
Lessee, Lease, Description
Number of operating leases | lease								4
Land Subject to Ground Leases | a			50,488													22,546			21,420	41,715
Term of lease			65 months														5 years
Lessee, Operating Lease, Existence of Option to Extend [true false]			true					true
Option to extend lease term			5 years																2 years	2 years
Rent per square foot | $ / ft²				9.40	10.00	20.75	13.00				19.75	7.50	21.75
Additional rent per square foot | $ / ft²	1	1		0.30						1
Tenant Improvements			$ 400																	$ 200
Operating lease liabilities				$ 2,400				$ 2,400	$ 6,971							$ 1,400				3,900
Operating lease asset				5,993				5,993	3,831							$ 1,400		$ 1,600		$ 3,600
Operating lease asset				2,100				2,100
Financing lease asset				$ 321				$ 321	180					$ 100	$ 100		$ 200
Finance Lease, Liability									360					$ 100	$ 100		$ 200
Lessor, Direct Financing Lease, Term of Contract				2 years 9 months 18 days				2 years 9 months 18 days						5 years	4 years
Finance Lease, Cost								$ 81	24
Operating Lease, Cost								6,516	1,150
Operating and finance lease cost								$ 6,600	1,200
Lessee, Operating Lease, Discount Rate				4.00%				4.00%
Operating Lease, Weighted Average Remaining Lease Term				2 years 9 months 18 days				2 years 9 months 18 days
Finance Lease, Weighted Average Remaining Lease Term				3 years 9 months 18 days				3 years 9 months 18 days
Operating Lease, Weighted Average Remaining Lease Term				5 years 4 months 24 days				5 years 4 months 24 days
Finance Lease, Weighted Average Remaining Lease Term				3 years 2 months 12 days				3 years 2 months 12 days
Minimum
Lessee, Lease, Description
Lessee, Finance Lease, Discount Rate				8.30%				8.30%
Maximum
Lessee, Lease, Description
Lessee, Finance Lease, Discount Rate				9.70%				9.70%
General and administrative
Lessee, Lease, Description
Operating Lease, Cost								$ 3,993	$ 859

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