Debt (Schedule of Letters of Credit Facilities) (Details) - USD ($)	Mar. 31, 2024	Dec. 31, 2023
Letter of Credit [Member]
Debt Instrument [Line Items]
Letters of credit, Limit	$ 175,000,000
Letters of credit, Used	7,700,000
Letters of credit, Available	167,300,000
Letter of Credit [Member] | Bi-lateral Facility [Member]
Debt Instrument [Line Items]
Letters of credit, Limit	25,000,000
Letters of credit, Used	7,700,000
Letters of credit, Available	17,300,000
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Letters of credit, Limit	500,000,000
Letters of credit, Used	140,000,000	$ 140,000,000
Revolving Credit Facility [Member] | Letter of Credit [Member]
Debt Instrument [Line Items]
Letters of credit, Limit	150,000,000
Letters of credit, Available	$ 150,000,000