Income Taxes - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Operating Loss Carryforwards [Line Items]
Tax credits carryforwards	$ 13,900
Tax expense from intercompany transfer	5,476	$ 9,245	$ 2,306
Deferred taxes from intercompany transfer	0	4,243	0
Unrecognized tax benefits	7,123	7,163	4,814	$ 1,199
Effective tax rate impact	100	100	$ 100
Federal
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	254,700
State
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	188,500
Foreign
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	209,800
ISRAEL
Operating Loss Carryforwards [Line Items]
Tax expense from intercompany transfer		$ 6,300
Deferred taxes from intercompany transfer	$ 4,200