Lease Commitments Lease Commitments - Weighted Average Lease Term and Rate (Tables)

12 Months Ended

Dec. 31, 2019

Leases [Abstract]

Lessee, Weighted Average Term and Discount Rate [Table Text Block]

The weighted average remaining lease term and weighted average discount rate at December 31 were as follows:

	2019
Weighted average remaining lease term (years)
Operating leases	6.3
Finance leases	3.0
Weighted average discount rate
Operating leases	3.4	%
Finance leases	3.3	%