Fair Value Measurements - Financial Assets and Liabilities Not Measured at Fair Value (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Mortgage loans | Fair Value
Financial liabilities:
Financial liabilities	$ 1,655,832	$ 1,830,651
Mortgage loans | Carrying Amount
Financial liabilities:
Financial liabilities	1,741,410	1,901,875
Revolving credit facility | Fair Value
Financial liabilities:
Financial liabilities	92,107
Revolving credit facility | Carrying Amount
Financial liabilities:
Financial liabilities	92,000
Term loans | Fair Value
Financial liabilities:
Financial liabilities	714,987	551,369
Term loans | Carrying Amount
Financial liabilities:
Financial liabilities	$ 720,000	$ 550,000