Real Estate (Impairments) (Details) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2023 USD ($)	Mar. 31, 2023 Property	Jun. 30, 2022 USD ($)	Mar. 31, 2022 Property	Jun. 30, 2023 USD ($) Property	Jun. 30, 2022 USD ($) Property
Real Estate [Abstract]
Real estate impairments, net of recoveries \| $	$ 34		$ 4,618		$ 2,674	$ 6,250
Vacant		3		0	3	6
Occupied		3		0	1	5

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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=109226691&loc=d3e2921-110230

Name:	us-gaap_ImpairmentOfRealEstate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration