Stockholders' Equity - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Accumulated Other Comprehensive Loss
Beginning balance	$ (44,890)	$ (44,564)	$ (44,865)	$ (44,634)
Other comprehensive (loss) income	(23)	76	(48)	146
Total before tax	(44,913)	(44,488)	(44,913)	(44,488)
Tax effect	0	0
Ending balance	(44,913)	(44,488)	(44,913)	(44,488)
Reclassifications out of accumulated other comprehensive loss	0	0	0	0
Foreign Currency Translation Adjustments
Accumulated Other Comprehensive Loss
Beginning balance	(44,835)	(44,465)	(44,732)	(44,460)
Other comprehensive (loss) income	61	(1)	(42)	(6)
Total before tax	(44,774)	(44,466)	(44,774)	(44,466)
Tax effect	0	0
Ending balance	(44,774)	(44,466)	(44,774)	(44,466)
Unrealized (Losses) Gains
Accumulated Other Comprehensive Loss
Beginning balance	(55)	(99)	(133)	(174)
Other comprehensive (loss) income	(84)	77	(6)	152
Total before tax	(139)	(22)	(139)	(22)
Tax effect	0	0
Ending balance	$ (139)	$ (22)	$ (139)	$ (22)

Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.

Amount before tax, after reclassification adjustments of other comprehensive income (loss).

+ References + Details

- Definition

Amount of tax expense (benefit) allocated to other comprehensive income (loss).

+ References

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+ Details