Leases - Supplemental Operating Lease Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Leases [Abstract]
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	$ 112,215	$ 57,004
Operating Lease, Weighted Average Remaining Lease Term	11 years 4 months 24 days	10 years 6 months
Operating Lease, Weighted Average Discount Rate, Percent	4.08%	4.38%