Fair Value of Financial Instruments (Fair Value Measurements, Nonrecurring) (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Level 3 | Carrying Amount
Fair Value of Financial Instruments [Line Items]
Mortgage and other notes receivable, net	$ 223,852	$ 233,141
Level 3 | Fair Value Measurement
Fair Value of Financial Instruments [Line Items]
Mortgage and other notes receivable, net	214,084	227,611
Variable rate debt | Level 2 | Carrying Amount
Fair Value of Financial Instruments [Line Items]
Debt instrument, fair value disclosure	389,769	277,699
Variable rate debt | Level 2 | Fair Value Measurement
Fair Value of Financial Instruments [Line Items]
Debt instrument, fair value disclosure	396,000	282,000
Fixed rate debt | Level 2 | Carrying Amount
Fair Value of Financial Instruments [Line Items]
Debt instrument, fair value disclosure	745,046	869,812
Fixed rate debt | Level 2 | Fair Value Measurement
Fair Value of Financial Instruments [Line Items]
Debt instrument, fair value disclosure	$ 652,999	$ 773,994