Cash and Cash Equivalents (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2019
Property, Plant and Equipment [Line Items]
Restricted Cash and Cash Equivalents	$ 18,100	$ 19,400
Restricted Cash included in other current assets	1,533	1,600	$ 2,638
Restricted Cash included in other assets	$ 16,640	$ 17,800	$ 17,567