Stock Repurchase Program - Additional Information (Detail) shares in Millions	Jun. 30, 2020 shares
Class of Stock Disclosures [Abstract]
Stock repurchase program, remaining number of shares authorized to be repurchased	2.8

The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

No definition available.

Name:	us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant