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Treasury Stock - Additional Information (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2019
Equity Class Of Treasury Stock [Line Items]
Stock repurchase, cost	$ 97
Common Stock | Share Repurchase Program September 9, 2019 | Maximum
Equity Class Of Treasury Stock [Line Items]
Stock approved for repurchase, value		$ 7,000

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Amount of stock repurchase plan authorized.

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

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