Borrowing Arrangements - Fair Value of Mortgage Debt (Details) - Fair Value, Inputs, Level 2 - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Fair Value
Debt Instrument
Mortgage notes payable, excluding deferred financing costs	$ 2,116,027	$ 2,043,412
Carrying Value
Debt Instrument
Mortgage notes payable, excluding deferred financing costs	$ 3,032,920	$ 2,718,114