Leases - Components of Lease Cost (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Leases [Abstract]
Operating Lease, Cost	$ 23,221
Variable Lease, Cost	2,103
Lease, Cost, Total	25,324
Operating Lease, Payments	19,899
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	$ 23,511