Annual report pursuant to Section 13 and 15(d)

Income Taxes - Schedule of Reconciliation of Unrecognized Tax Benefits (Details)

v3.19.1
Income Taxes - Schedule of Reconciliation of Unrecognized Tax Benefits (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Income Tax Disclosure [Abstract]      
Gross unrecognized tax benefit beginning balance $ 2,305 $ 1,635 $ 1,205
Additions for tax positions taken in the current year 741 670 430
Reductions for tax positions of prior years (251)    
Gross unrecognized tax benefit ending balance $ 2,795 $ 2,305 $ 1,635