Real Estate Investments - Schedule of Business Acquisitions (Details) - USD ($) $ in Thousands		9 Months Ended
		Sep. 30, 2022		Sep. 30, 2021
Business Acquisition [Line Items]
Purchase Price		$ 269,173	[1]	$ 222,000	[2]
Debt Assumed, Net of Discounts		44,853	[1]	111,175	[2]
Consolidated Properties [Member]
Business Acquisition [Line Items]
Purchase Price		211,253	[1]	222,000	[2]
Debt Assumed, Net of Discounts		22,779	[1]	111,175	[2]
Unconsolidated Properties [Member]
Business Acquisition [Line Items]
Purchase Price	[1]	57,920
Debt Assumed, Net of Discounts	[1]	22,074
Off-Market Favorable Lease [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities		26,473	[1]	14,768	[2]
Off-Market Favorable Lease [Member] | Consolidated Properties [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities		22,137	[1]	14,768	[2]
Off-Market Favorable Lease [Member] | Unconsolidated Properties [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	[1]	4,336
Off-Market Lease, Unfavorable [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities		9,518	[1]	7,467	[2]
Off-Market Lease, Unfavorable [Member] | Consolidated Properties [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities		8,704	[1]	$ 7,467	[2]
Off-Market Lease, Unfavorable [Member] | Unconsolidated Properties [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	[1]	$ 814
Glenwood Green [Member] | Consolidated Properties [Member]
Business Acquisition [Line Items]
Date Purchased		Mar. 01, 2022
Property Name		Glenwood Green
City/State		Old Bridge, NJ
Ownership		70.00%
Purchase Price	[1]	$ 11,000
Island Village [Member] | Consolidated Properties [Member]
Business Acquisition [Line Items]
Date Purchased		Mar. 31, 2022
Property Name		Island Village
City/State		Bainbridge Island, WA
Ownership		100.00%
Purchase Price	[1]	$ 30,650
Island Village [Member] | Off-Market Favorable Lease [Member] | Consolidated Properties [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	[1]	2,900
Island Village [Member] | Off-Market Lease, Unfavorable [Member] | Consolidated Properties [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	[1]	$ 6,839
Apple Valley [Member] | Consolidated Properties [Member]
Business Acquisition [Line Items]
Date Purchased	[3]	Apr. 01, 2022
Property Name	[3]	Apple Valley
City/State	[3]	Apple Valley, MN
Ownership	[3]	100.00%
Purchase Price	[1],[3]	$ 34,070
Apple Valley [Member] | Off-Market Favorable Lease [Member] | Consolidated Properties [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	[1],[3]	4,773
Apple Valley [Member] | Off-Market Lease, Unfavorable [Member] | Consolidated Properties [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	[1],[3]	$ 490
Cedar Commons [Member] | Consolidated Properties [Member]
Business Acquisition [Line Items]
Date Purchased	[3]	Apr. 01, 2022
Property Name	[3]	Cedar Commons
City/State	[3]	Minneapolis, MN
Ownership	[3]	100.00%
Purchase Price	[1],[3]	$ 29,330
Cedar Commons [Member] | Off-Market Favorable Lease [Member] | Consolidated Properties [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	[1],[3]	4,369
Cedar Commons [Member] | Off-Market Lease, Unfavorable [Member] | Consolidated Properties [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	[1],[3]	$ 58
Corral Hollow [Member] | Consolidated Properties [Member]
Business Acquisition [Line Items]
Date Purchased	[3]	Apr. 01, 2022
Property Name	[3]	Corral Hollow
City/State	[3]	Tracy, CA
Ownership	[3]	100.00%
Purchase Price	[1],[3]	$ 40,600
Corral Hollow [Member] | Off-Market Favorable Lease [Member] | Consolidated Properties [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	[1],[3]	3,410
Corral Hollow [Member] | Off-Market Lease, Unfavorable [Member] | Consolidated Properties [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	[1],[3]	$ 74
Shops at The Columbia [Member] | Consolidated Properties [Member]
Business Acquisition [Line Items]
Date Purchased	[3]	Apr. 01, 2022
Property Name	[3]	Shops at the Columbia
City/State	[3]	Washington, DC
Ownership	[3]	100.00%
Purchase Price	[1],[3]	$ 14,000
Shops at The Columbia [Member] | Off-Market Favorable Lease [Member] | Consolidated Properties [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	[1],[3]	889
Shops at The Columbia [Member] | Off-Market Lease, Unfavorable [Member] | Consolidated Properties [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	[1],[3]	$ 181
Baederwood Shoppes [Member] | Consolidated Properties [Member]
Business Acquisition [Line Items]
Date Purchased		May 06, 2022
Property Name		Baederwood Shoppes
City/State		Jenkintown, PA
Ownership		80.00%
Purchase Price	[1]	$ 51,603
Debt Assumed, Net of Discounts	[1]	22,779
Baederwood Shoppes [Member] | Off-Market Favorable Lease [Member] | Consolidated Properties [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	[1]	5,796
Baederwood Shoppes [Member] | Off-Market Lease, Unfavorable [Member] | Consolidated Properties [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	[1]	$ 1,062
Naperville Plaza [Member] | Unconsolidated Properties [Member]
Business Acquisition [Line Items]
Date Purchased		Mar. 25, 2022
Property Name		Naperville Plaza
City/State		Naperville, IL
Ownership		20.00%
Purchase Price	[1]	$ 52,380
Debt Assumed, Net of Discounts	[1]	22,074
Naperville Plaza [Member] | Off-Market Favorable Lease [Member] | Unconsolidated Properties [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	[1]	4,336
Naperville Plaza [Member] | Off-Market Lease, Unfavorable [Member] | Unconsolidated Properties [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	[1]	$ 814
Baybrook East 1B [Member] | Unconsolidated Properties [Member]
Business Acquisition [Line Items]
Date Purchased		Jun. 24, 2022
Property Name		Baybrook East 1B
City/State		Houston, TX
Ownership		50.00%
Purchase Price	[1]	$ 5,540
Willa Springs [Member] | Consolidated Properties [Member]
Business Acquisition [Line Items]
Date Purchased	[4]			Jul. 30, 2021
Property Name	[4]			Willa Springs (2)
City/State	[4]			Winter Springs, FL
Ownership	[4]			100.00%
Purchase Price	[2],[4]			$ 34,500
Debt Assumed, Net of Discounts	[2],[4]			17,682
Willa Springs [Member] | Off-Market Favorable Lease [Member] | Consolidated Properties [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	[2],[4]			1,562
Willa Springs [Member] | Off-Market Lease, Unfavorable [Member] | Consolidated Properties [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	[2],[4]			$ 643
Dunwoody Hall [Member] | Consolidated Properties [Member]
Business Acquisition [Line Items]
Date Purchased	[4]			Aug. 01, 2021
Property Name	[4]			Dunwoody Hall (2)
City/State	[4]			Dunwoody, GA
Ownership	[4]			100.00%
Purchase Price	[2],[4]			$ 32,000
Debt Assumed, Net of Discounts	[2],[4]			14,612
Dunwoody Hall [Member] | Off-Market Favorable Lease [Member] | Consolidated Properties [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	[2],[4]			2,255
Dunwoody Hall [Member] | Off-Market Lease, Unfavorable [Member] | Consolidated Properties [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	[2],[4]			$ 973
Alden Bridge [Member] | Consolidated Properties [Member]
Business Acquisition [Line Items]
Date Purchased	[4]			Aug. 01, 2021
Property Name	[4]			Alden Bridge (2)
City/State	[4]			Woodlands, TX
Ownership	[4]			100.00%
Purchase Price	[2],[4]			$ 43,000
Debt Assumed, Net of Discounts	[2],[4]			27,529
Alden Bridge [Member] | Off-Market Favorable Lease [Member] | Consolidated Properties [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	[2],[4]			3,198
Alden Bridge [Member] | Off-Market Lease, Unfavorable [Member] | Consolidated Properties [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	[2],[4]			$ 2,308
Hasley Canyon Village [Member] | Consolidated Properties [Member]
Business Acquisition [Line Items]
Date Purchased	[4]			Aug. 01, 2021
Property Name	[4]			Hasley Canyon Village (2)
City/State	[4]			Castaic, CA
Ownership	[4]			100.00%
Purchase Price	[2],[4]			$ 31,000
Debt Assumed, Net of Discounts	[2],[4]			16,941
Hasley Canyon Village [Member] | Off-Market Favorable Lease [Member] | Consolidated Properties [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	[2],[4]			$ 2,037
Shiloh Springs [Member] | Consolidated Properties [Member]
Business Acquisition [Line Items]
Date Purchased	[4]			Aug. 01, 2021
Property Name	[4]			Shiloh Springs (2)
City/State	[4]			Garland, TX
Ownership	[4]			100.00%
Purchase Price	[2],[4]			$ 19,500
Shiloh Springs [Member] | Off-Market Favorable Lease [Member] | Consolidated Properties [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	[2],[4]			1,825
Shiloh Springs [Member] | Off-Market Lease, Unfavorable [Member] | Consolidated Properties [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	[2],[4]			$ 1,079
Bethany Park Place [Member] | Consolidated Properties [Member]
Business Acquisition [Line Items]
Date Purchased	[4]			Aug. 01, 2021
Property Name	[4]			Bethany Park Place (2)
City/State	[4]			Allen, TX
Ownership	[4]			100.00%
Purchase Price	[2],[4]			$ 18,000
Debt Assumed, Net of Discounts	[2],[4]			10,800
Bethany Park Place [Member] | Off-Market Favorable Lease [Member] | Consolidated Properties [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	[2],[4]			996
Bethany Park Place [Member] | Off-Market Lease, Unfavorable [Member] | Consolidated Properties [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	[2],[4]			$ 1,732
Blossom Valley [Member] | Consolidated Properties [Member]
Business Acquisition [Line Items]
Date Purchased	[4]			Aug. 01, 2021
Property Name	[4]			Blossom Valley (2)
City/State	[4]			Mountain View, CA
Ownership	[4]			100.00%
Purchase Price	[2],[4]			$ 44,000
Debt Assumed, Net of Discounts	[2],[4]			23,611
Blossom Valley [Member] | Off-Market Favorable Lease [Member] | Consolidated Properties [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	[2],[4]			2,895
Blossom Valley [Member] | Off-Market Lease, Unfavorable [Member] | Consolidated Properties [Member]
Business Acquisition [Line Items]
Intangible Assets/Liabilities	[2],[4]			$ 732

[1] Amounts reflected for purchase price and allocation are reflected at 100%.

[2] Amounts reflected for purchase price and allocation are reflected at 100%.

[3] These properties were part of the four-property portfolio purchased from an existing unconsolidated real estate partnership, RegCal, LLC, in which the Company held a 25% ownership interest. The basis allocated to Real estate assets was $93.2 million on a combined basis, including the Company's carry over basis related to its 25% previously owned equity investment in the partnership.

[4] These properties were part of the seven-property portfolio purchased from an existing unconsolidated real estate partnership, US Regency Retail I, LLC. The basis allocated to Real estate assets was $192.9 million, including the Company's carryover basis related to its 20% previously owned equity interest in the partnership.