Cash and Cash Equivalents (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019	Sep. 30, 2019
Property, Plant and Equipment [Line Items]
Restricted Cash and Cash Equivalents	$ 17,200	$ 19,400
Restricted Cash included in other current assets	1,097	1,600	$ 2,040
Restricted Cash included in other assets	$ 16,145	$ 17,800	$ 16,784