Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Name:	us-gaap_StockRepurchasedDuringPeriodShares
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

Common Stock Repurchase Programs - Additional Information (Details) - Share Repurchase Program ("August 2019 Program") - USD ($)	1 Months Ended	3 Months Ended	9 Months Ended
	Aug. 31, 2019	Sep. 30, 2020	Sep. 30, 2020
Common Stock Repurchases [Line Items]
Stock repurchase program duration	1 year
Number of shares repurchased (in shares)		0	0
Maximum
Common Stock Repurchases [Line Items]
Repurchase of authorized common stock, up to	$ 50,000,000.0