XML 78 R47.htm IDEA: XBRL DOCUMENT v3.19.3
Goodwill and Intangible assets - Estimated Amortization Expense of Intangible Assets (Detail) - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract]    
2019 Remaining $ 948  
2020 3,177  
2021 2,862  
2022 1,256  
2023 962  
2024 881  
Thereafter 1,620  
Total $ 11,706 $ 14,077