Other Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Other Assets [Abstract]
Uncertain Tax Positions	$ 7,209	$ 4,993
Pension assets	6,748	0
Debt issuance costs	5,919	7,571
Indemnification assets	7,615	4,006
Supplemental Retirement Income Program	1,961	1,782
Restricted insurance settlement	0	19,678
Other	2,344	2,403
Total other assets	$ 31,796	$ 40,433