Annual report pursuant to Section 13 and 15(d)

Other Non-Current Liabilities (Details)

v3.8.0.1
Other Non-Current Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Other Non-Current Liabilities    
Uncertain tax positions $ 10,640 $ 7,762
Accrued deferred compensation 4,364 2,885
Other 98 1,539
Accrued purchase liability   1,250
Other non-current liabilities $ 15,102 $ 13,436