Leases Leases - Supplemental Cash Flow Information (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Leases [Abstract]
Finance Lease, Interest Payment on Liability	$ 273
Operating cash flows from finance leases	21,726
Financing cash flows from finance leases	3,390
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability	10,571
Right-of-use assets obtained in exchange for new operating lease liabilities	$ 8,508