Income Taxes Income Taxes Table (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Income Tax Contingency [Line Items]
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount	$ (578)	$ (296)	$ (1,926)	$ (3,257)
Income tax (benefit) expense	(144)	124	300	1,648
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount	772	106	2,127	2,984
Unrecognized Tax Benefits, Period Increase (Decrease)	25	64	155	436
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount	(27)	19	106	54
Effective Income Tax Rate Reconciliation, Deduction, Other, Amount	(638)	(101)	(515)	(301)
Effective Income Tax Rate Reconciliation, Disposition of Business, Amount	332	0	332	0
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Depreciation and Amortization, Amount	23	37	69	1,136
Effective Income Tax Rate Reconciliation, Tax Contingency, Foreign, Amount	(3)	140	(57)	46
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount	$ (50)	$ (47)	$ 9	$ (52)