Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Valuation allowance
Provision for (benefit from) income taxes	$ 963	$ 309
Unrecognized tax benefits	121,000		$ 115,700
Portion of unrecognized tax benefits, which if recognized, would be recorded as an income tax benefit	3,000
Foreign tax authority
Valuation allowance
Income taxes paid	4,400	$ 4,300
Long-term deferred tax assets
Valuation allowance
Unrecognized tax benefits	23,100		22,800
Other assets | Foreign tax authority
Valuation allowance
Unrecognized tax benefits	94,900		91,000
Long-term income taxes payable
Valuation allowance
Unrecognized tax benefits	$ 3,000		$ 1,800