Accumulated Other Comprehensive Income Reclassification of AOCI (tables) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Loss from continuing operations before income tax expense (benefit)	$ 18	$ (2)
Net income (loss)	(24,212)	(15,252)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, before Tax	0	(494)	$ 0
Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Other-than-temporary impairment loss	0
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, before Tax	(371)
Accumulated Net Investment Gain (Loss) Attributable to Parent [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Net income (loss)	18	(1,076)
Reclassification out of Accumulated Other Comprehensive Income [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Net realized (losses) gains	(18)	2
Other-than-temporary impairment loss		0
Income tax expense (benefit)	0	0
Net income (loss)	18	(1,570)
Loss on liquidation of subsidiary, net of taxes	0	494
Income tax expense (benefit)	$ 0	$ (1,074)