Fair Value Measurements and Derivative Instruments (Offsetting of Derivative Instruments) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Offsetting of Financial Assets under Master Netting Agreements [Abstract]
Gross Amount of Derivative Assets Presented in the Consolidated Balance Sheet	$ 203,802	$ 69,808
Gross Amount of Eligible Offsetting Recognized Derivative Liabilities	(105,228)	(67,995)
Cash Collateral Received	0	0
Net Amount of Derivative Assets	98,574	1,813
Offsetting of Financial Liabilities under Master Netting Agreements [Abstract]
Gross Amount of Derivative Liabilities Presented in the Consolidated Balance Sheet	(135,608)	(200,541)
Gross Amount of Eligible Offsetting Recognized Derivative Assets	105,228	67,995
Cash Collateral Pledged	0	44,411
Net Amount of Derivative Liabilities	$ (30,380)	$ (88,135)