Leases (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Consolidated financing lease amortization	$ 5,887
Consolidated financing lease expense	366
Net lease cost	6,253
Operating Expenses [Member]
Consolidated operating lease expense	5,887
Depreciation and Amortization [Member]
Consolidated financing lease amortization	305
Interest Expense [Member]
Consolidated financing lease interest	$ 61