Quarterly report pursuant to Section 13 or 15(d)

Acquisitions - Summary of Pro Forma Information (Detail)

v3.19.3
Acquisitions - Summary of Pro Forma Information (Detail) - Cortina Asset Management, LLC - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Business Acquisition [Line Items]    
Revenue $ 80,508 $ 84,857
Net Income $ 11,797 $ 16,899