Annual report pursuant to Section 13 and 15(d)

Income Taxes - Summary of Deferred Tax Assets and Liabilities (Detail)

v3.8.0.1
Income Taxes - Summary of Deferred Tax Assets and Liabilities (Detail) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Deferred tax assets    
Intangible assets $ 12,817 $ 21,792
Other 21  
Total deferred tax assets 12,838 21,792
Deferred tax liabilities    
Intangible assets 247 221
Investment on underlying SLP partnership 979 1,571
Other   11
Total deferred tax liabilities 1,226 1,803
Net deferred tax assets (liabilities) $ 11,612 $ 19,989