Restructuring and Integration - Additional Information (Detail) $ in Millions	3 Months Ended
Mar. 31, 2019 USD ($)
Restructuring and Related Activities [Abstract]
Pay period for accrued restructuring and integration costs	1 year 10 months 25 days
Restructuring and related cost, expected cost remaining	$ 0.5

Amount of expected cost remaining for the specified restructuring cost.

No definition available.

Name:	us-gaap_RestructuringAndRelatedCostExpectedCostRemaining1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant