Income Taxes - Net Operating Loss Carryforwards (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Operating Loss Carryforwards [Line Items]
Valuation allowance	$ (112.5)
Cash distributions				$ 0.0
State net operating loss carryforward, deferred tax benefit	18.1	$ 18.1
TRS [Member]
Operating Loss Carryforwards [Line Items]
Federal net operating loss carryforward, deferred tax benefit	83.9	83.9
Domestic Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Valuation allowance		(87.3)	$ (1.6)	23.0
Domestic Tax Authority [Member] | TRS [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforward	399.7	399.7
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforward	$ 546.8	546.8
Valuation allowance		$ (25.1)	$ (5.8)	$ 4.7
State and Local Jurisdiction [Member] | Minimum [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards expire date		Dec. 31, 2024
State and Local Jurisdiction [Member] | Maximum [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards expire date		Dec. 31, 2043