Loans Payable - Summary of Loans Payable (Details) - USD ($)						12 Months Ended
	Sep. 30, 2021	Sep. 22, 2021	May 28, 2021	May 05, 2021	Mar. 25, 2021	Dec. 31, 2022	Oct. 28, 2022	Jul. 06, 2022	Jun. 17, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Loans payable, net						$ 466,029,000				$ 333,283,000
Total Principal Balance						482,447,000				346,262,000
Unamortized debt issuance cost						(16,418,000)				(9,834,000)
Total Loans Payable, including assets held for sale						466,029,000				336,428,000
Less loans payable on assets held for sale, net loan amortization costs						$ 0				3,145,000
First National Bank
Debt Instrument [Line Items]
Monthly Payment		$ 25,000
Interest Rate		4.25%
LIBOR | First National Bank
Debt Instrument [Line Items]
Debt spread over variable basis percentage		3.50%
Convertible Debt | Senior Subordinated Convertible Notes
Debt Instrument [Line Items]
Interest Rate						7.00%
Loans payable, net						$ 33,000,000				33,000,000
Cypress Shopping Center
Debt Instrument [Line Items]
Monthly Payment						$ 34,360
Interest Rate						4.70%
Loans payable, net						$ 5,903,000				6,031,000
Port Crossing
Debt Instrument [Line Items]
Monthly Payment						$ 34,788
Interest Rate						4.84%
Loans payable, net						$ 5,641,000				5,778,000
Freeway Junction
Debt Instrument [Line Items]
Monthly Payment						$ 41,798
Interest Rate						4.60%
Loans payable, net						$ 7,273,000				7,431,000
Harrodsburg Marketplace
Debt Instrument [Line Items]
Monthly Payment						$ 19,112
Interest Rate						4.55%
Loans payable, net						$ 3,186,000				3,267,000
Bryan Station
Debt Instrument [Line Items]
Monthly Payment						$ 23,489
Interest Rate						4.52%
Loans payable, net						$ 4,136,000				4,226,000
Crockett Square
Debt Instrument [Line Items]
Interest Rate						4.47%
Loans payable, net						$ 6,338,000				6,338,000
Pierpont Centre
Debt Instrument [Line Items]
Monthly Payment						$ 39,435
Interest Rate						4.15%
Loans payable, net						$ 7,716,000				7,861,000
Shoppes at Myrtle Park
Debt Instrument [Line Items]
Monthly Payment						$ 33,180
Interest Rate						4.45%
Loans payable, net						$ 5,615,000				5,757,000
Alex City Marketplace
Debt Instrument [Line Items]
Interest Rate						3.95%
Loans payable, net						$ 5,750,000				5,750,000
Brook Run Shopping Center
Debt Instrument [Line Items]
Interest Rate						4.08%
Loans payable, net						$ 10,950,000				10,950,000
Beaver Ruin Village I and II
Debt Instrument [Line Items]
Interest Rate						4.73%
Loans payable, net						$ 9,400,000				9,400,000
Sunshine Shopping Plaza
Debt Instrument [Line Items]
Interest Rate						4.57%
Loans payable, net						$ 5,900,000				5,900,000
Barnett Portfolio
Debt Instrument [Line Items]
Interest Rate						4.30%
Loans payable, net						$ 8,770,000				8,770,000
Fort Howard Shopping Center
Debt Instrument [Line Items]
Interest Rate						4.57%
Loans payable, net						$ 7,100,000				7,100,000
Conyers Crossing
Debt Instrument [Line Items]
Interest Rate						4.67%
Loans payable, net						$ 5,960,000				5,960,000
Grove Park Shopping Center
Debt Instrument [Line Items]
Interest Rate						4.52%
Loans payable, net						$ 3,800,000				3,800,000
Parkway Plaza
Debt Instrument [Line Items]
Interest Rate						4.57%
Loans payable, net						$ 3,500,000				3,500,000
Winslow Plaza
Debt Instrument [Line Items]
Monthly Payment						$ 24,295
Interest Rate						4.82%
Loans payable, net						$ 4,409,000				4,483,000
Tuckernuck
Debt Instrument [Line Items]
Monthly Payment						$ 32,202
Interest Rate						5.00%
Loans payable, net						$ 4,915,000				5,052,000
Chesapeake Square
Debt Instrument [Line Items]
Monthly Payment						$ 23,857
Interest Rate						4.70%
Loans payable, net						$ 4,106,000				4,192,000
Sangaree/Tri-County
Debt Instrument [Line Items]
Monthly Payment					$ 3,220,000	$ 32,329
Interest Rate						4.78%
Loans payable, net						$ 6,086,000				6,176,000
Riverbridge
Debt Instrument [Line Items]
Interest Rate						4.48%
Loans payable, net						$ 4,000,000				4,000,000
Franklin Village
Debt Instrument [Line Items]
Monthly Payment						$ 45,336
Interest Rate						4.93%
Loans payable, net						$ 8,144,000				8,277,000
Village of Martinsville
Debt Instrument [Line Items]
Monthly Payment						$ 89,664
Interest Rate						4.28%
Loans payable, net						$ 15,181,000				15,589,000
Laburnum Square
Debt Instrument [Line Items]
Interest Rate						4.28%
Loans payable, net						$ 7,665,000				7,665,000
Rivergate
Debt Instrument [Line Items]
Monthly Payment	$ 100,000		$ 60,000			$ 100,222
Interest Rate	4.25%					4.25%
Debt spread over variable basis percentage	2.70%
Loans payable, net	$ 18,500,000					$ 18,003,000				18,430,000
Guggenheim Loan Agreement
Debt Instrument [Line Items]
Interest Rate						4.25%			4.25%
Loans payable, net						$ 75,000,000				0
JANAF Loan Agreement
Debt Instrument [Line Items]
Interest Rate						5.31%		5.31%
Loans payable, net						$ 60,000,000				0
Guggenheim-Cedar Loan Agreement
Debt Instrument [Line Items]
Interest Rate						5.25%	5.25%
Loans payable, net						$ 110,000,000				0
Patuxent Crossing/Coliseum Marketplace Loan Agreement
Debt Instrument [Line Items]
Interest Rate						6.35%
Loans payable, net						$ 25,000,000				0
Walnut Hill Plaza
Debt Instrument [Line Items]
Monthly Payment						$ 26,850
Interest Rate						5.50%
Loans payable, net						$ 0				3,145,000
Litchfield Market Village
Debt Instrument [Line Items]
Monthly Payment						$ 46,057
Interest Rate						5.50%
Loans payable, net						$ 0				7,312,000
Twin City Commons
Debt Instrument [Line Items]
Monthly Payment						$ 17,827
Interest Rate						4.86%
Loans payable, net						$ 0				2,843,000
New Market
Debt Instrument [Line Items]
Monthly Payment						$ 48,747
Interest Rate						5.65%
Loans payable, net						$ 0				6,291,000
Benefit Street Note | Line of Credit | Benefit Street Note
Debt Instrument [Line Items]
Monthly Payment						$ 53,185
Interest Rate						5.71%
Loans payable, net						$ 0				6,914,000
Deutsche Bank Note | Line of Credit | Deutsche Bank Note
Debt Instrument [Line Items]
Monthly Payment						$ 33,340
Interest Rate						5.71%
Loans payable, net						$ 0				5,488,000
First National Bank | Line of Credit | First National Bank
Debt Instrument [Line Items]
Monthly Payment						24,656
Loans payable, net						$ 0				789,000
First National Bank | Line of Credit | LIBOR | First National Bank
Debt Instrument [Line Items]
Debt spread over variable basis percentage						3.50%
Lumber River
Debt Instrument [Line Items]
Monthly Payment						$ 10,723
Loans payable, net						$ 0				1,296,000
Lumber River | LIBOR
Debt Instrument [Line Items]
Debt spread over variable basis percentage						3.50%
Tampa Festival
Debt Instrument [Line Items]
Monthly Payment						$ 50,797
Interest Rate						5.56%
Loans payable, net						$ 0				7,753,000
Forrest Gallery
Debt Instrument [Line Items]
Monthly Payment						$ 50,973
Interest Rate						5.40%
Loans payable, net						$ 0				8,060,000
South Carolina Food Lions Note | Line of Credit | South Carolina Food Lions Note
Debt Instrument [Line Items]
Monthly Payment						$ 68,320
Interest Rate						5.25%
Loans payable, net						$ 0				11,259,000
Folly Road
Debt Instrument [Line Items]
Monthly Payment						$ 41,482
Interest Rate						4.65%
Loans payable, net						$ 0				7,063,000
JANAF
Debt Instrument [Line Items]
Monthly Payment						$ 333,159
Interest Rate						4.49%
Loans payable, net						$ 0				47,065,000
JANAF Bravo
Debt Instrument [Line Items]
Monthly Payment				$ 35,000		$ 35,076
Interest Rate				5.00%		5.00%
Loans payable, net				$ 6,000,000		$ 0				5,936,000
JANAF BJ's
Debt Instrument [Line Items]
Monthly Payment						$ 29,964
Interest Rate						4.95%
Loans payable, net						$ 0				4,725,000
Butler Square
Debt Instrument [Line Items]
Interest Rate						3.90%
Loans payable, net						$ 0				$ 5,640,000