Supplementary Quarterly Financial Data (Unaudited) - Additional Information (Detail) - Subsequent Event [Member]	Jan. 04, 2021
Quarterly Financial Information [Line Items]
Description of stock split of common stock	three-for-two
Stock split, conversion ratio	1.5

Description of the stock split arrangement. Also provide the retroactive effect given by a stock split that occurs after the balance date but before the release of financial statements.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SAB Topic 4.C)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187143-122770

Name:	us-gaap_StockholdersEquityNoteStockSplit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration