Quarterly report pursuant to Section 13 or 15(d)

Soft Dollar Arrangements - Additional Information (Detail)

v3.20.1
Soft Dollar Arrangements - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Soft Dollar Arrangements [Abstract]    
Soft dollar credits $ 155 $ 193