Annual report pursuant to Section 13 and 15(d)

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

v3.6.0.2
Income Taxes - Summary of Reconciliation of Unrecognized Tax Benefits (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Reconciliation of liability for unrecognized tax benefits      
Balance at beginning of period $ 773 $ 577 $ 306
Additions based on tax positions related to current year 161 176 123
Additions for tax positions of prior years   20 148
Balance at end of period $ 934 $ 773 $ 577