Revolving Line of Credit - Additional Information (Detail) - Revolving Credit Facility - USD ($) $ in Millions	1 Months Ended
Mar. 31, 2018	Mar. 27, 2021
Debt Instrument [Line Items]
Line of credit, current borrowing capacity	$ 150.0	$ 150.0
Line of credit, expiration date	Mar. 31, 2023

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Name:	us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant