Leases - Narrative (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Lessee, Lease, Description [Line Items]
Operating Lease Cost	$ 3,600,000	$ 3,500,000	$ 7,200,000	$ 6,900,000
Short Term Lease Cost	200,000	400,000	500,000	900,000
Variable Lease Cost	0	0	0	0
Sublease Income	$ 0	$ 0	0	0
Operating Lease Payments			7,100,000	$ 6,800,000
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability			$ 3,900,000
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Total assets		Total assets
Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration]	Total liabilities		Total liabilities
Land [Member] | Maximum [Member]
Lessee, Lease, Description [Line Items]
Lessee Operating Lease Term Of Contract	94 years		94 years
Facilities vehicles and machinery and equipment [Member] | Maximum [Member]
Lessee, Lease, Description [Line Items]
Lessee Operating Lease Term Of Contract	10 years		10 years