XML 47 R36.htm IDEA: XBRL DOCUMENT v3.10.0.1
Intangible Assets - Summary of Intangible Assets (Detail) - USD ($)
$ in Thousands
Jun. 30, 2018
Dec. 31, 2017
Finite Lived Intangible Assets Net [Abstract]    
Intangible assets $ 22,273 $ 2,500
Less accumulated amortization (5,909) (1,194)
Total $ 16,364 $ 1,306