Other Income (Expense), Net - Other Income (Expense), Net (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Other Income and Expenses [Abstract]
Interest and investment income	$ 2,877	$ 3,152
Other	3,146	463
Other income (expense), net	$ 6,023	$ 3,615