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Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended	9 Months Ended
Income Taxes (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Sep. 30, 2019	Jun. 30, 2018	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Income Tax Contingency [Line Items]
Deferred tax assets	$ 34			$ 34		$ 12,300
Valuation allowance, deferred tax assets	9,600			$ 9,600
Effective income tax rate				(83.00%)	(4.00%)
Federal Statutory Income Tax Rate			35.00%	21.00%	21.00%
(Provision for) benefit from income taxes	$ (7,536)	$ 401		$ (6,166)	$ 186
Internal Revenue Service (IRS) [Member]
Income Tax Contingency [Line Items]
(Provision for) benefit from income taxes				$ 1,400