Contingent Liabilities (Tables)

12 Months Ended

Dec. 31, 2020

Commitments and Contingencies Disclosure [Abstract]

Product Liability Contingencies

Product liability (benefit) expense was as follows:

	Twelve Months Ended December 31,
	2020		2019		2018
Product liability (benefit) expense	$	(3,539)	$	40,309	$	17,692