Real Estate Investments - Schedule of Business Acquisitions (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Business Acquisition [Line Items]
Purchase Price	$ 533,000
Debt Assumed, Net of Premiums	111,175
Off-Market Favorable Lease [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	63,254
Off-Market Lease, Unfavorable [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	$ 16,737
Willa Springs [Member]
Business Acquisition [Line Items]
Date Purchased	Jul. 30, 2021
Property Name	Willa Springs
City/State	Winter Springs, FL
Property Type	Operating
Purchase Price	$ 34,500
Debt Assumed, Net of Premiums	17,682
Willa Springs [Member] | Off-Market Favorable Lease [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	1,562
Willa Springs [Member] | Off-Market Lease, Unfavorable [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	$ 643
Dunwoody Hall [Member]
Business Acquisition [Line Items]
Date Purchased	Aug. 01, 2021
Property Name	Dunwoody Hall
City/State	Dunwoody, GA
Property Type	Operating
Purchase Price	$ 32,000
Debt Assumed, Net of Premiums	14,612
Dunwoody Hall [Member] | Off-Market Favorable Lease [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	2,255
Dunwoody Hall [Member] | Off-Market Lease, Unfavorable [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	$ 973
Alden Bridge [Member]
Business Acquisition [Line Items]
Date Purchased	Aug. 01, 2021
Property Name	Alden Bridge
City/State	Woodlands, TX
Property Type	Operating
Purchase Price	$ 43,000
Debt Assumed, Net of Premiums	27,529
Alden Bridge [Member] | Off-Market Favorable Lease [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	3,198
Alden Bridge [Member] | Off-Market Lease, Unfavorable [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	$ 2,308
Hasley Canyon Village [Member]
Business Acquisition [Line Items]
Date Purchased	Aug. 01, 2021
Property Name	Hasley Canyon Village
City/State	Castaic, CA
Property Type	Operating
Purchase Price	$ 31,000
Debt Assumed, Net of Premiums	16,941
Hasley Canyon Village [Member] | Off-Market Favorable Lease [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	$ 2,037
Shiloh Springs [Member]
Business Acquisition [Line Items]
Date Purchased	Aug. 01, 2021
Property Name	Shiloh Springs
City/State	Garland, TX
Property Type	Operating
Purchase Price	$ 19,500
Shiloh Springs [Member] | Off-Market Favorable Lease [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	1,825
Shiloh Springs [Member] | Off-Market Lease, Unfavorable [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	$ 1,079
Bethany Park Place [Member]
Business Acquisition [Line Items]
Date Purchased	Aug. 01, 2021
Property Name	Bethany Park Place
City/State	Allen, TX
Property Type	Operating
Purchase Price	$ 18,000
Debt Assumed, Net of Premiums	10,800
Bethany Park Place [Member] | Off-Market Favorable Lease [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	996
Bethany Park Place [Member] | Off-Market Lease, Unfavorable [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	$ 1,732
Blossom Valley [Member]
Business Acquisition [Line Items]
Date Purchased	Aug. 01, 2021
Property Name	Blossom Valley
City/State	Mountain View, CA
Property Type	Operating
Purchase Price	$ 44,000
Debt Assumed, Net of Premiums	23,611
Blossom Valley [Member] | Off-Market Favorable Lease [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	2,895
Blossom Valley [Member] | Off-Market Lease, Unfavorable [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	$ 732
Blakeney Shopping Center [Member]
Business Acquisition [Line Items]
Date Purchased	Nov. 18, 2021
Property Name	Blakeney Shopping Center
City/State	Charlotte, NC
Property Type	Operating
Purchase Price	$ 181,000
Blakeney Shopping Center [Member] | Off-Market Favorable Lease [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	14,096
Blakeney Shopping Center [Member] | Off-Market Lease, Unfavorable [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	$ 4,431
Valley Stream [Member]
Business Acquisition [Line Items]
Date Purchased	Dec. 30, 2021
Property Name	Valley Stream
City/State	Long Island, NY
Property Type	Operating
Purchase Price	$ 48,000
Valley Stream [Member] | Off-Market Favorable Lease [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	21,505
Valley Stream [Member] | Off-Market Lease, Unfavorable [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	$ 1,675
East Meadow [Member]
Business Acquisition [Line Items]
Date Purchased	Dec. 30, 2021
Property Name	East Meadow
City/State	Long Island, NY
Property Type	Operating
Purchase Price	$ 38,000
East Meadow [Member] | Off-Market Favorable Lease [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	6,521
East Meadow [Member] | Off-Market Lease, Unfavorable [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	$ 1,197
Wading River [Member]
Business Acquisition [Line Items]
Date Purchased	Dec. 30, 2021
Property Name	Wading River
City/State	Long Island, NY
Property Type	Operating
Purchase Price	$ 35,000
Wading River [Member] | Off-Market Favorable Lease [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	4,998
Wading River [Member] | Off-Market Lease, Unfavorable [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	$ 1,469
Eastport [Member]
Business Acquisition [Line Items]
Date Purchased	Dec. 30, 2021
Property Name	Eastport
City/State	Long Island, NY
Property Type	Operating
Purchase Price	$ 9,000
Eastport [Member] | Off-Market Favorable Lease [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	1,366
Eastport [Member] | Off-Market Lease, Unfavorable [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	$ 498
Country Walk Plaza [Member]
Business Acquisition [Line Items]
Date Purchased		Jan. 01, 2020
Property Name		Country Walk Plaza
City/State		Miami, FL
Property Type		Operating
Purchase Price		$ 39,625
Debt Assumed, Net of Premiums		16,359
Country Walk Plaza [Member] | Off-Market Favorable Lease [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities		3,294
Country Walk Plaza [Member] | Off-Market Lease, Unfavorable [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities		$ 2,452