Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
Income Taxes (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Jun. 30, 2019	Mar. 31, 2018	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Income Tax Contingency [Line Items]
Deferred tax assets	$ 9,600			$ 9,600		$ 12,300
Federal Statutory Income Tax Rate			35.00%	21.00%	21.00%
Income Tax Expense (Benefit)	$ (1,148)	$ 218		$ 1,370	$ (215)
Internal Revenue Service (IRS) [Member]
Income Tax Contingency [Line Items]
Income Tax Expense (Benefit)				$ 1,400