REAL ESTATE INVESTMENTS - Revenue Concentration (FY) (Details) - AvAir, AZ - Revenue Benchmark	12 Months Ended
Dec. 31, 2019 USD ($)
Real Estate [Line Items]
Revenue	$ 2,670,159
Tenants Concentration Risk [Member]
Real Estate [Line Items]
Percentage of Total Revenue	10.90%

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details