Leases - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Lessee Lease Description [Line Items]
Operating lease rent expense	$ 12.3	$ 11.9	$ 11.3
Cash paid for operating leases	$ 14.4
Weighted average discount rate of operating leases	3.70%
Average remaining operating lease term	2 years 10 months 24 days
Operating lease liabilities, leases not yet commenced, description	As of December 31, 2022, the present value of the operating lease liabilities that had not yet commenced was $0.7 million.
Operating lease liabilities, leases not yet commenced	$ 0.7
Minimum [Member]
Lessee Lease Description [Line Items]
Operating lease expiration year	Dec. 31, 2023
Maximum [Member]
Lessee Lease Description [Line Items]
Operating lease expiration year	Dec. 31, 2029
Operating lease option to extend	five years