Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Additional Information (Detail)

v3.21.2
Commitments and Contingencies - Additional Information (Detail) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Dec. 31, 2020
Other Commitments [Line Items]          
Operating lease rent expenses net $ 0.6 $ 0.7 $ 2.0 $ 2.0  
Standby Letters Of Credit And Bank Guarantee [Member]          
Other Commitments [Line Items]          
Off balance sheet credit exposure $ 0.4   $ 0.4   $ 0.4