Acquisitions and Dispositions Acquisitions (Details) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2021 USD ($) entities buildings	Sep. 30, 2020 USD ($) entities	Sep. 30, 2021 USD ($) entities buildings	Sep. 30, 2020 USD ($) entities
Property, Plant and Equipment [Line Items]
Payments to Acquire Commercial Real Estate			$ 242,914	$ 85,465
Number of Real Estate Properties \| entities	4	5	4	5
Issuance of Limited Partner Units for acquisition			$ 11,603	$ 0
Real estate assets	$ 351,398		351,398
Lease related intangibles	11,796		11,796
Total acquired assets	$ 363,194		363,194
Below market lease liabilities			$ 43,734
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life			11 years
Equity Method Investment, Ownership Percentage	20.00%		20.00%
Equity in earnings of unconsolidated joint ventures	$ 2,966	$ 4,023	$ 29,824	$ 8,958
Non-cash distribution of properties from Unconsolidated Joint Ventues
Property, Plant and Equipment [Line Items]
Number of Real Estate Properties \| buildings	2		2
Number of Unconsolidated Joint Ventures in which Equity Interests Held \| entities	2		2
Equity Method Investment, Ownership Percentage	50.00%		50.00%
Equity in earnings of unconsolidated joint ventures			$ 10,600
Assets Received from Distribution	$ 52,200		52,200
Repayments of Assumed Debt			40,200
New Jersey Storage Container Lot
Property, Plant and Equipment [Line Items]
Payments to Acquire Commercial Real Estate			64,000
Issuance of Limited Partner Units for acquisition			$ 11,600

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Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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