Annual report pursuant to Section 13 and 15(d)

Income Taxes - Reconciliation of Total Amounts of Unrecognized Tax Benefits Excluding Interest and Penalties (Details)

v3.10.0.1
Income Taxes - Reconciliation of Total Amounts of Unrecognized Tax Benefits Excluding Interest and Penalties (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Reconciliation of Unrecognized Tax Benefits      
Balance at Beginning of the Year $ 0 $ 0 $ 0
Decreases as a Result of Tax Positions Taken in Prior Years 0 0 0
Increases as a Result of Tax Positions Taken in the Current Year 2,197 0 0
Balance at End of the Year $ 2,197 $ 0 $ 0