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Investment Activity (Assets Held for Sale and Long-Lived Assets) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($) property	Dec. 31, 2022 USD ($) property	Dec. 31, 2021 USD ($)
Real Estate [Line Items]
Rental income	$ 249,227	$ 217,700	$ 271,049
Impairment of property	$ 1,173	21,531	6,400
Real estate properties, impaired, sold or classified as held for sale | property	3
Real estate assets held for development and sale	$ 500
Real Estate Investments
Real Estate [Line Items]
Impairment of property	$ 1,600	$ 51,600	51,800
Real estate properties, impaired, sold or classified as held for sale | property	4	19
Asset Held For Sale In 2023
Real Estate [Line Items]
Rental income	$ 1,700	$ 900	$ 1,100
Asset Held For Sale In 2022
Real Estate [Line Items]
Rental income	$ 2,100	$ 5,600

X

- Definition

Number Of Real Estate Properties, Impaired, Sold Or Classified As Held For Sale

+ References

No definition available.

+ Details

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X

- Definition

The charge against earnings in the period to reduce the carrying amount of real property to fair value.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-28

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482099/360-10-50-2

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X

- Definition

Amount of lease income from operating, direct financing, and sales-type leases. Includes, but is not limited to, variable lease payments, interest income, profit (loss) recognized at commencement, and lease payments paid and payable to lessor.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479773/842-30-50-5

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X

- Definition

For banks, the total amount of real estate assets held for development and sale.

+ References

No definition available.

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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 976
-SubTopic 310
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482856/976-310-50-1

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