Income Taxes Income Taxes - Components of Provision For/(Benefit From) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current:
Federal	$ (178)	$ 0	$ (273)
State	(1,397)	(27)	(424)
Foreign	(924)	(1,897)	0
Total provision for income taxes	(2,499)	(1,924)	(697)
Deferred:
Federal	(5,237)	875	(4,353)
State	(2,243)	690	151
Foreign	95	729	(1,848)
Total deferred (provision for)/benefit from income taxes	(7,385)	2,294	(6,050)
(Provision for)/benefit from income taxes	$ (9,884)	$ 370	$ (6,747)