Leases - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Lessee, Lease, Description [Line Items]
Operating Lease Cost	$ 14,200,000	$ 9,400,000
Short Term Lease Cost	1,300,000	1,500,000
Variable Lease Cost	0	0
Sublease Income	0	0
Operating Lease Payments	14,100,000	$ 9,200,000
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	$ 6,900,000
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Total assets
Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration]	Total liabilities
Maximum [Member]
Lessee, Lease, Description [Line Items]
Lessee Operating Lease Term Of Contract	11 years
Land [Member] | Maximum [Member]
Lessee, Lease, Description [Line Items]
Lessee Operating Lease Term Of Contract	95 years