Restructuring and Reorganization Charges - Schedule of Activity in Business Restructuring and Reorganization Reserves (Parenthetical) (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2019	Dec. 31, 2018
Restructuring Cost And Reserve [Line Items]
Adjustments due to adoption of new accounting standards			$ 7,562
ASU 2016-02
Restructuring Cost And Reserve [Line Items]
Adjustments due to adoption of new accounting standards	[1]	$ 2,934
ASU 2016-02 | Facilities Abandonment
Restructuring Cost And Reserve [Line Items]
Adjustments due to adoption of new accounting standards	[1]	$ 2,934

[1] With the adoption of ASC 842 on January 1, 2019, the facilities abandonment liabilities of $2.9 million were offset against our initial lease right-of-use assets on our Balance Sheet (see Notes 2 and 6 for further discussion of the adoption of ASC 842).