Financing - Schedule of Short-term Debt and Narrative (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Short-Term Debt [Line Items]
Amount outstanding	$ 0		$ 535,600
Revolving Credit Facility | Commercial Paper
Short-Term Debt [Line Items]
Amount outstanding	0		535,600
Letters of Credit	2,751		24,626
Available capacity	747,249		$ 189,774
Weighted average interest rates			4.88%
Maximum amount outstanding (based on daily outstanding balances)	548,700	$ 429,000
Average amount outstanding (based on daily outstanding balances)	$ 164,719	$ 326,172
Weighted average interest rates	4.91%	0.82%