Mortgage and Other Notes Receivable (Schedule of Financing Receivables By Credit Quality Indicator) (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Financing Receivable, Credit Quality Indicator [Line Items]
Credit loss reserve	$ (19,411)	$ (15,476)
Financing receivable, after allowance for credit loss	232,550	$ 245,271
Mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
2024	25,097
2023	1,550
2022	70,811
2021	0
2020	0
Prior	53,768
Total	151,226
Mezzanine
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	744
2022	0
2021	35,068
2020	0
Prior	25,000
Total	60,812
Nonperforming Financial Instruments
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	0
2022	0
2021	0
2020	1,947
Prior	24,500
Total	26,447
Revolver
Financing Receivable, Credit Quality Indicator [Line Items]
Total	13,476
more than 1.5x \| Mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
2024	10,227
2023	0
2022	42,443
2021	0
2020	0
Prior	39,068
Total	91,738
more than 1.5x \| Mezzanine
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	518
2022	0
2021	13,547
2020	0
Prior	0
Total	14,065
more than 1.5x \| Nonperforming Financial Instruments
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	0
2022	0
2021	0
2020	0
Prior	10,000
Total	10,000
more than 1.5x \| Revolver
Financing Receivable, Credit Quality Indicator [Line Items]
Total	13,476
between 1.0x and 1.5x \| Mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
2024	14,870
2023	930
2022	28,368
2021	0
2020	0
Prior	0
Total	44,168
between 1.0x and 1.5x \| Mezzanine
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	226
2022	0
2021	21,521
2020	0
Prior	0
Total	21,747
between 1.0x and 1.5x \| Nonperforming Financial Instruments
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	0
2022	0
2021	0
2020	0
Prior	14,500
Total	14,500
less than 1.0x \| Mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	620
2022	0
2021	0
2020	0
Prior	14,700
Total	15,320
less than 1.0x \| Mezzanine
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	0
2022	0
2021	0
2020	0
Prior	25,000
Total	25,000
less than 1.0x \| Nonperforming Financial Instruments
Financing Receivable, Credit Quality Indicator [Line Items]
2024	0
2023	0
2022	0
2021	0
2020	1,947
Prior	0
Total	$ 1,947

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

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