Fair Value of Financial Instruments (Fair Value Measurements, Nonrecurring) (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Level 3 | Carrying Amount
Fair Value of Financial Instruments [Line Items]
Mortgage and other notes receivable, net	$ 242,960	$ 233,141
Level 3 | Fair Value Measurement
Fair Value of Financial Instruments [Line Items]
Mortgage and other notes receivable, net	228,282	227,611
Variable rate debt | Level 2 | Carrying Amount
Fair Value of Financial Instruments [Line Items]
Debt instrument, fair value disclosure	399,233	277,699
Variable rate debt | Level 2 | Fair Value Measurement
Fair Value of Financial Instruments [Line Items]
Debt instrument, fair value disclosure	405,000	282,000
Fixed rate debt | Level 2 | Carrying Amount
Fair Value of Financial Instruments [Line Items]
Debt instrument, fair value disclosure	745,205	869,812
Fixed rate debt | Level 2 | Fair Value Measurement
Fair Value of Financial Instruments [Line Items]
Debt instrument, fair value disclosure	$ 642,539	$ 773,994