Income Taxes Gross Activity of Unrecognized Tax Benefits Related to Uncertain Tax Positions (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Contingency [Line Items]
Unrecognized Tax Benefits, Income Tax Penalties Expense	$ 0
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	5,100,000	$ 2,100,000
Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions	800,000	0
Unrecognized Tax Benefits, Decrease Resulting from Current Period Tax Positions	2,200,000	2,200,000
Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions	0	0
Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities	0	(100,000)
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations	0	(400,000)
Unrecognized Tax Benefits	$ 6,400,000	$ 3,400,000	$ 1,700,000