Variable Interest Entities - Assets and Liabilities and Associated Maximum Loss Exposure of Alternative Energy Partnership Investments (Details) - USD ($)	Dec. 31, 2024	Dec. 31, 2023
Variable Interest Entity [Line Items]
Other Assets	$ 436,100,000	$ 492,600,000
Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Cash	2,700,000	2,700,000
Equipment, Net of Depreciation	253,200,000	256,200,000
Other Assets	9,200,000	7,500,000
Total Unconsolidated Assets	265,000,000.0	266,400,000
Maximum Loss Exposure	$ 17,600,000	$ 17,300,000