Income Taxes (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2020 USD ($)
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 321,000
Operating loss carryforwards, usable	197,000
Domestic Tax Authority
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards, expected expiration amount	31,000
Foreign Tax Authority
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards, expected expiration amount	$ 166,000