Income Taxes - Net Deferred Balances (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Taxes on Income and Uncertain Tax Positions [Abstract]
Deferred Tax Assets Net Noncurrent	$ 14,745	$ 6,946
Deferred tax liabilities	211,094	10,003
Deferred Tax (Liability) Asset Net	$ (196,349)	$ (3,057)