Mortgage And Other Notes Receivable (Schedule of Financing Receivables By Credit Quality Indicator) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Financing Receivable, Credit Quality Indicator [Line Items]
Credit loss reserve	$ (15,808)	$ (15,338)
Financing receivable, after allowance for credit loss	242,960	$ 233,141
Mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0
2022	68,463
2021	0
2020	22,307
2019	39,123
Prior	17,341
Total	147,234
Mezzanine
Financing Receivable, Credit Quality Indicator [Line Items]
2023	712
2022	0
2021	40,469
2020	0
2019	0
Prior	25,000
Total	66,181
Non-performing
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0
2022	0
2021	0
2020	2,127
2019	0
Prior	24,500
Total	26,627
Revolver
Financing Receivable, Credit Quality Indicator [Line Items]
Total	18,726
more than 1.5x \| Mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0
2022	68,463
2021	0
2020	22,307
2019	0
Prior	2,641
Total	93,411
more than 1.5x \| Mezzanine
Financing Receivable, Credit Quality Indicator [Line Items]
2023	496
2022	0
2021	16,526
2020	0
2019	0
Prior	0
Total	17,022
between 1.0x and 1.5x \| Mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	32,700
Prior	14,700
Total	47,400
between 1.0x and 1.5x \| Mezzanine
Financing Receivable, Credit Quality Indicator [Line Items]
2023	216
2022	0
2021	23,943
2020	0
2019	0
Prior	0
Total	24,159
between 1.0x and 1.5x \| Revolver
Financing Receivable, Credit Quality Indicator [Line Items]
Total	18,726
less than 1.0x \| Mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	6,423
Prior	0
Total	6,423
less than 1.0x \| Mezzanine
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	25,000
Total	25,000
EBITDARM Coverage less than 1.0x \| Non-performing
Financing Receivable, Credit Quality Indicator [Line Items]
2023	0
2022	0
2021	0
2020	2,127
2019	0
Prior	24,500
Total	$ 26,627

Amount, before allowance for credit loss, of accrued interest on financing receivable.

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-Topic 326
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-Name Accounting Standards Codification
-Section 50
-Paragraph 3B
-Publisher FASB
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