Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Other Intangible Assets - Schedule of Changes in Goodwill (Detail)

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Goodwill and Other Intangible Assets - Schedule of Changes in Goodwill (Detail)
$ in Thousands
9 Months Ended
Sep. 30, 2019
USD ($)
Goodwill And Intangible Assets Disclosure [Abstract]  
Goodwill, Beginning Balance $ 10,609
Acquisition 6,680
Goodwill, Ending Balance $ 17,289