Fair Value Measurements and Derivative Instruments (Fair Value of Debt) (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Carrying value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt	$ 2,149,778	$ 2,205,266
Fair value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt	$ 1,744,098	$ 1,856,878