Subsequent Events - Additional Information (Detail) - Subsequent Event [Member] $ / shares in Units, $ in Millions	Nov. 03, 2021 $ / shares	Oct. 04, 2021 USD ($) ft² Lease
Subsequent Event [Line Items]
Quarterly Cash Dividends Per Share Declared | $ / shares	$ 0.085
Anticipated lease start date		May 01, 2023
Lease area | ft²		897,000
Lease term		184 months
Annual rent payments next twelve months		$ 7.3
Renewal options | Lease		4
Renewal term		5 years
Increase in percentage of rent amount		2.25%
Lease assets and liabilities		$ 100.0
Common Stock [Member]
Subsequent Event [Line Items]
Dividends Payable, Date declared	Nov. 03, 2021
Dividend Payable, Date to be paid	Dec. 16, 2021
Dividends Payable, Date of Record	Nov. 15, 2021