INCOME PROPERTIES - Dispositions (Details) $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($) property	Dec. 31, 2022 USD ($) property	Dec. 31, 2021 USD ($) tenant property
Income Property, Multi-tenant, Crossroads Towne Center, Chandler, Arizona
Dispositions of Income Properties
Sales price	$ 11.5
2023 Dispositions, Income Properties
Dispositions of Income Properties
Sales price	87.1
Gain (Loss) on Sale	$ 6.6
Number of real estate properties | property	9
Disposal Group, Not Discontinued Operation, Gain	$ 8.2
Disposal Group, Not Discontinued Operation Loss	0.7
Disposal Group Not Discontinued Operation Impairment Charge	0.9
2023 Dispositions, Income Properties | Income Property, Outparcel Corporation, Henderson, Nevada
Dispositions of Income Properties
Sales price	$ 18.2
Number of real estate properties | property	4
2023 Dispositions, Income Properties | Income Property, Outparcel Corporation, Henderson, Nevada | Minimum
Dispositions of Income Properties
Sales price	$ 2.1
2023 Dispositions, Income Properties | Income Property, Single Tenant, Reston, Virginia
Dispositions of Income Properties
Sales price	18.5
2023 Dispositions, Income Properties | Income Property Sabal Pavilion, Tampa, Florida
Dispositions of Income Properties
Sales price	22.0
2022 Dispositions, Income Properties
Dispositions of Income Properties
Number of real estate properties | property		6
2022 Dispositions, Income Properties | Income Property, Westland Gateway Plaza, FL
Dispositions of Income Properties
Sales price		$ 22.2
2022 Dispositions, Income Properties, Single-tenant | Income Property, Single-tenant, Moe's Southwest Grill, Jacksonville, Florida
Dispositions of Income Properties
Sales price			$ 2.5
2022 Dispositions, Income Properties, Single-tenant | Income Property, Party City Corporation, Oceanside, New York
Dispositions of Income Properties
Sales price		6.9
2022 Dispositions, Income Properties, Single-tenant | Income Property, Single-tenant, Outback, Austin, Texas
Dispositions of Income Properties
Sales price		17.1
Dispositions Income Properties 2022 Chuy's Single Tenant | Income Property, The Strand - Fogo De Chao, Jacksonville, Florida
Dispositions of Income Properties
Sales price		5.8
Dispositions Income Properties 2022 Firebirds Single Tenant | Income Property, The Strand - Fogo De Chao, Jacksonville, Florida
Dispositions of Income Properties
Sales price		5.5
Dispositions Income Properties 2022 245 Riverside Multi Tenant | Income Property, The Strand - Fogo De Chao, Jacksonville, Florida
Dispositions of Income Properties
Sales price		23.6
2021 Dispositions, Multi-tenant
Dispositions of Income Properties
Number Of Tenant Repurchase Options | tenant			1
2021 Dispositions, Single-tenant
Dispositions of Income Properties
Number of real estate properties | property			6
Number Of Tenant Repurchase Options | tenant			14
2021 Dispositions, Single-tenant | Income Property, Burlington Coat Stores, Inc, North Richland Hills, Texas
Dispositions of Income Properties
Sales price			$ 11.5
2021 Dispositions, Single-tenant | Income Properties, Single-tenant, CMBS Portfolio
Dispositions of Income Properties
Sales price		44.5
2021 Dispositions, Single-tenant | Twenty Four Hour Fitness, Falls Church, VA
Dispositions of Income Properties
Sales price			21.5
Dispositions Income Properties 2021 Chick Fil A Single Tenant | Crossroads Property, Chandler, Arizona
Dispositions of Income Properties
Sales price		2.9
Dispositions Income Properties 2021 JP Morgan Chase Bank Single Tenant | Crossroads Property, Chandler, Arizona
Dispositions of Income Properties
Sales price			4.7
Dispositions Income Properties 2021 Fogo De Chao Single Tenant | Income Property, The Strand - Fogo De Chao, Jacksonville, Florida
Dispositions of Income Properties
Sales price			4.7
Dispositions Income Properties 2021 Wells Fargo Single Tenant | Income Property, Wells Fargo, Raleigh, North Carolina
Dispositions of Income Properties
Sales price			63.0
Disposal Group, Held-for-sale or Disposed of by Sale, Not Discontinued Operations [Member] | 2023 Dispositions, Income Properties | Income Property, Shopping Center, Fort Worth, Texas
Dispositions of Income Properties
Sales price	$ 14.8
Disposal Group, Disposed of by Sale, Not Discontinued Operations | 2022 Dispositions, Income Properties
Dispositions of Income Properties
Sales price		81.1
Gain (Loss) on Sale		$ 4.7
Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal, Statement of Income or Comprehensive Income		Gain (Loss) on Disposition of Assets
Disposal Group, Disposed of by Sale, Not Discontinued Operations | 2021 Dispositions, Income Properties
Dispositions of Income Properties
Sales price			162.3
Gain (Loss) on Sale			28.2
Disposal Group, Disposed of by Sale, Not Discontinued Operations | 2021 Dispositions, Multi-tenant | Income Property, World of Beer, Fuzzys Taco Shop, Brandon, Florida
Dispositions of Income Properties
Sales price			$ 2.3