XML 15 R59.htm IDEA: XBRL DOCUMENT v3.19.3
Goodwill and Intangible Assets - Future Amortization Expense of Finite-lived Intangible Assets (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract]    
2019 $ 660  
2020 2,069  
2021 1,521  
2022 1,239  
2023 389  
Thereafter 37  
Net finite-lived intangible assets, end of period $ 5,915 $ 7,895