Summary of Significant Accounting Policies - Schedule of Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Accumulated Other Comprehensive Income Loss Net Of Tax [Abstract]
Foreign currency translation adjustment, net of taxes	$ (8,022)	$ (5,963)
Implementation of accounting standards	(263)
Pension loss, net of tax of $0 in 2018, and $527 in 2017	(6,326)	(7,713)
Accumulated other comprehensive loss	$ (14,611)	$ (13,676)

Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses.

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