Litigation and Contingencies (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Commitments and Contingencies Disclosure [Abstract]
Average paid claim reduction due to curtailments (in hundredths)	4.40%	3.60%
Probable loss contingency accrual	$ 6.3
Maximum exposure to loss	$ 27.0