Income Taxes Income Taxes - Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current:
Federal	$ 0	$ 0	$ 99
State	198	139	78
Foreign	2,684	881	823
Total	2,882	1,020	1,000
Deferred:
Federal	(49,393)	29	28
State	(7,474)	19	10
Foreign	(1,168)	(277)	(333)
Total	(58,035)	(229)	(295)
Income tax provision (benefit)	$ (55,153)	$ 791	$ 705