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LEASES - Additional information (Details) $ in Thousands |  |  |  |  | 3 Months Ended | 7 Months Ended | 8 Months Ended | 9 Months Ended | 10 Months Ended | 12 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Nov. 01, 2021 $ / ft² | Nov. 01, 2020 $ / ft² | Sep. 17, 2020 USD ($) ft² | Oct. 20, 2019 $ / ft² | Dec. 31, 2020 $ / ft² | Sep. 30, 2020 USD ($) | Sep. 30, 2019 USD ($) | Dec. 31, 2019 USD ($) $ / ft² | Oct. 31, 2020 $ / ft² | Sep. 30, 2020 USD ($) lease | Sep. 30, 2019 USD ($) | Oct. 31, 2020 $ / ft² | Oct. 31, 2021 $ / ft² | Oct. 19, 2019 $ / ft² | Oct. 19, 2018 $ / ft² | Mar. 03, 2020 USD ($) | Jan. 03, 2020 USD ($) ft² | Sep. 20, 2019 USD ($) | Jun. 01, 2019 USD ($) | Mar. 11, 2019 ft² | Oct. 20, 2017 USD ($) ft²
Lessee, Lease, Description |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of operating leases | lease |  |  |  |  |  |  |  |  |  | 4 |  |  |  |  |  |  |  |  |  |  |
Land Subject to Ground Leases | ft² |  |  | 50,488 |  |  |  |  |  |  |  |  |  |  |  |  |  | 22,546 |  |  | 21,420 | 41,715
Term of lease |  |  | 65 months |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lessee, Operating Lease, Existence of Option to Extend [true false] |  |  | true |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Option to extend lease term |  |  | 5 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 years | 2 years
Rent per square foot | $ / ft² |  |  |  |  | 9.40 |  |  | 10.00 | 13.00 |  |  | 20.75 | 21.75 | 19.75 | 7.50 |  |  |  |  |  |
Additional rent per square foot | $ / ft² | 1 | 1 |  | 1 | 0.30 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Tenant Improvements |  |  | $ 400 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 200
Operating lease liabilities |  |  |  |  |  | $ 4,957 |  |  |  | $ 4,957 |  |  |  |  |  |  | $ 1,400 |  | $ 1,600 |  | 3,900
Operating lease asset |  |  |  |  |  | 4,268 |  | $ 3,831 |  | 4,268 |  |  |  |  |  |  | $ 1,400 |  | $ 1,600 |  | $ 3,600
Financing lease asset |  |  |  |  |  | 207 |  | $ 180 |  | 207 |  |  |  |  |  | $ 100 |  | $ 200 |  |  |
Finance Lease, Liability |  |  |  |  |  | $ 220 |  |  |  | $ 220 |  |  |  |  |  | $ 100 |  | $ 200 |  |  |
Lessor, Direct Financing Lease, Term of Contract |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4 years |  | 5 years |  |  |
Lessee, Operating Lease, Discount Rate |  |  |  |  |  | 4.50% |  |  |  | 4.50% |  |  |  |  |  |  |  |  |  |  |
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 |  |  |  |  |  | 4 years 1 month 6 days |  |  |  | 4 years 1 month 6 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 |  |  |  |  |  | $ 500 | $ 400 |  |  | $ 1,200 | $ 800 |  |  |  |  |  |  |  |  |  |

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- Definition Amount, after accumulated amortization, of right-of-use asset from finance lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121603541&loc=SL77918627-209977 + Details
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- Definition Remaining lease term of finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918673-209980 + Details
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- Definition Remaining lease term of operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918673-209980 + Details
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- Definition Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=121568110&loc=SL77918982-209971 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980 + Details
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