Income Taxes - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Deferred tax liability associated with basis differences in discontinued operation	$ 17.1
Valuation allowance increase amount	18.3	$ 0.5	$ 0.0
Unrecognized tax benefits that would impact effective tax rate	13.6	13.0
Interest and penalties related to unrecognized tax benefits	$ 3.6	2.3	$ 0.7
Maximum
Limitations on the amount of taxable income that can be offset by net operating loss carryforwards and tax credits Percentage of change in control in ownership	50.00%
Not Subject to Expiration | California
Tax credit carryforwards	$ 9.5	4.8
Tax Period Two Thousand And Thirty Seven | California
Operating loss carryforwards net	8.8	9.2
Tax Period Two Thousand Fourty | Texas Tax Authority
Tax credit carryforwards	0.2	0.3
Domestic Tax Authority | Capital Loss Carryforward
Tax credit carryforwards	4.7
Domestic Tax Authority | Not Subject to Expiration
Operating loss carryforwards net	13.7	19.6
Domestic Tax Authority | Tax Period Two Thousand Thirty Five
Tax credit carryforwards	$ 0.9	$ 0.9