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COMMITMENTS AND CONTINGENCIES (Q2) (Details) - USD ($) | 6 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jun. 30, 2021 | Dec. 31, 2020 | Dec. 31, 2019
COMMITMENTS AND CONTINGENCIES [Line Items] |  |  |
Tenant reimbursements | $ 189,136 | $ 60,598 | $ 98,329
Restricted cash | $ 2,508,471 | 129,118 | 113,362
Termination period | 10 days |  |
Lease Agreements |  |  |
COMMITMENTS AND CONTINGENCIES [Line Items] |  |  |
Restricted cash | $ 2,400,000 | 92,684 | $ 92,684
Building Improvements, Tenant Improvements And Leasing Commissions |  |  |
COMMITMENTS AND CONTINGENCIES [Line Items] |  |  |
Restricted cash |  | $ 92,684 |
Maximum |  |  |
COMMITMENTS AND CONTINGENCIES [Line Items] |  |  |
Shares authorized to be repurchased per month (as a percent) | 2.00% | 2.00% |
Shares authorized to be repurchased per quarter (as a percent) | 5.00% | 5.00% |

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- Definition The repurchases authorized monthly in terms of percentage of net asset value. + References No definition available. + Details
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- Definition The repurchases authorized quarterly in terms of percentage of net asset value. + References No definition available. + Details
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- Definition In accordance with the provisions of their lease agreement, this element represents allowable charges due a landlord from its tenant. In retail store and office building leases, for example, tenant reimbursements may cover items such as taxes, utilities, and common area expenses. + References No definition available. + Details
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- Definition Amount of cash and cash equivalents restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(2)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=123431023&loc=SL98516268-108586 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(1)(a)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3044-108585 + Details
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