Fair Value of Financial Instruments (Fair Value Measurements, Nonrecurring) (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Fair Value of Financial Instruments [Line Items]
Mortgage and other notes receivable, net	$ 207,169	$ 299,952
Level 3 | Carrying Amount
Fair Value of Financial Instruments [Line Items]
Mortgage and other notes receivable, net	207,169	299,952
Level 3 | Fair Value Measurement
Fair Value of Financial Instruments [Line Items]
Mortgage and other notes receivable, net	205,460	314,821
Variable rate debt | Level 2 | Carrying Amount
Fair Value of Financial Instruments [Line Items]
Debt instrument, fair value disclosure	245,357	373,682
Variable rate debt | Level 2 | Fair Value Measurement
Fair Value of Financial Instruments [Line Items]
Debt instrument, fair value disclosure	250,000	375,000
Fixed rate debt | Level 2 | Carrying Amount
Fair Value of Financial Instruments [Line Items]
Debt instrument, fair value disclosure	869,642	869,201
Fixed rate debt | Level 2 | Fair Value Measurement
Fair Value of Financial Instruments [Line Items]
Debt instrument, fair value disclosure	$ 776,372	$ 858,124