Income Taxes - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Taxes Textual [Abstract]
Deferred tax assets, valuation allowance	$ 1,670	$ 1,517
Cash held by foreign entities considered permanently reinvested	14,914
Tax contingency	1,068	1,398
Unrecognized tax benefits	1,068	1,398	$ 2,278
Unrecognized tax benefits that would impact effective tax rate	1,068
HzO investment
Income Taxes Textual [Abstract]
Deferred tax assets, valuation allowance	1,028	1,048
Celio investment
Income Taxes Textual [Abstract]
Deferred tax assets, valuation allowance	157	160
Research Tax Credit Carryforward
Income Taxes Textual [Abstract]
Tax credit carryforward, valuation allowance	$ 485	$ 278

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in foreign income tax contingency.

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Amount of valuation allowance pertaining to the deferred tax asset representing potential future taxable deductions from tax credit carryforwards for which it is more likely than not that a tax benefit will not be realized.

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Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile.

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Amount of unrecognized tax benefits.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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