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Change in Net Deferred Tax Asset (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Change In Net Deferred Tax Asset (Liability) [Rollforward]
Deferred Tax Assets (Liabilities), Net	$ 1,790	$ 789
Deferred Tax (Expense) Benefit Related To Continuing Operations	153	(71)
Deferred Taxes, Stockholders' Equity For Change In Accumulated Other Comprehensive (Income) Loss	(1,952)	1,072
Deferred Tax Assets (Liabilities), Net	$ (9)	$ 1,790