Income Tax Income Tax (Net Operating Loss Carryforward) (Details) $ in Thousands	Dec. 31, 2018 USD ($)
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	$ 1,733
No Expiration And No Valuation Allowance [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	52
Full Valuation Allowance [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	167
No Expiration And Partial Valuation Allowance [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	396
Expiration Dates Between 2029 And 2035 With No Valuation Allowance [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	$ 1,118