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Consolidation of Riverfront Investment Partners II, LLC. Riverfront Holdings II, LLC (Details Narrative)	3 Months Ended			6 Months Ended		12 Months Ended
	Jun. 30, 2021 USD ($)	Mar. 31, 2021 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2020	May 04, 2018 integer
Schedule of Equity Method Investments [Line Items]
Cash contributed				$ 4,768,000	$ 2,107,000
Ownership basis		70.41%
Remeasurement gain, MRP	$ 0	$ 51,139,000	$ 0	$ 51,139,000	$ 0
M R P Realty [Member]
Schedule of Equity Method Investments [Line Items]
MRP Contributions						$ 5,600,000
MRP Development Fee						725,000
Remeasurement gain, MRP		$ 13,965,000
Riverfront Holdings I I L L C [Member]
Schedule of Equity Method Investments [Line Items]
Square feet \| integer								250,000
Number of residential units \| integer								264
Retail square feet \| integer								6,937
Value of land contributed						16,300,000
Cost basis of land contributed						4,600,000
Cash contributed						6,200,000
Ownership basis							80.00%	80.00%
Preferred equity committed						$ 13,750,000
Interest rate								7.50%
Stabilization		90.00%