Other Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2019

Retirement Benefits [Abstract]

Schedule of Shares Purchased in the Open Market For Employees

Shares purchased in the open market for employees for the years ended December 31, 2017, 2018, and 2019 were as follows:

	Shares purchased	Average price per share
2017	4,718	$	77.05
2018	4,647	$	100.34
2019	4,918	$	126.83