Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Income Tax Contingency [Line Items]
Annual effective tax rate	26.60%	23.30%
Net tax expense on sale of intellectual property rights		$ 9,600
Discrete tax benefit	$ (18)	(8,067)
Unrecognized tax benefits	17,000		$ 16,800
Accrued interest and penalties	1,100		$ 1,000
Equity Compensation
Income Tax Contingency [Line Items]
Discrete tax benefit	$ 2,800	$ 4,600