Fair Value of Financial Instruments - Variable Interest Entities - Narrative (Details) $ in Thousands	3 Months Ended	9 Months Ended
	Mar. 31, 2024	Sep. 30, 2024 USD ($) entity	Dec. 31, 2023 USD ($)
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]
Consolidated assets		$ 8,762,972	$ 9,373,511
Liabilities		5,934,260	6,652,250
Other long-term assets		418,222	418,485
Reporting entity involvement, maximum loss exposure, amount		$ 35,000	35,000
Variable Interest Entity, Primary Beneficiary
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]
Number of entities | entity		2
Consolidated assets		$ 100,100	1,700
Liabilities		97,900	1,600
Variable Interest Entity, Not Primary Beneficiary
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]
Other long-term assets		$ 23,000	$ 23,000
Electric Utility Company One
Fair Value Disclosure, Asset and Liability, Not Measured at Fair Value [Line Items]
Variable interest entity, percent	49.00%