Leases Narrative (Details) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Leases [Abstract]
Operating Lease Cost	$ 3,600,000	$ 3,400,000
Short Term Lease Cost	300,000	500,000
Operating Lease Payments	3,600,000	3,400,000
Right Of Use Asset Obtained In Exchange For Operating Lease Liability	3,100,000
Lessee Lease Description [Line Items]
Variable Lease Cost	0	0
Sublease Income	$ 0	$ 0
Land Member
Lessee Lease Description [Line Items]
Lessee Operating Lease Term Of Contract	94 years
Facilities, vehicles, and machinery and equipment [Member]
Lessee Lease Description [Line Items]
Lessee Operating Lease Term Of Contract	10 years