Stockholders' Equity - Additional Information (Detail) - USD ($) shares in Thousands	3 Months Ended	9 Months Ended
Mar. 31, 2021	Sep. 30, 2021
Share Based Arrangements To Obtain Goods And Services [Abstract]
Treasury stock purchases	50,000
Treasury stock purchases, value	$ 755,000	$ 755,000
Shares available for purchase		627,547

Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the par value method.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration