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Summary of Number of Shares of Common Stock Repurchased (Detail) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended			12 Months Ended
	Mar. 08, 2022	Sep. 30, 2021	Aug. 31, 2021	Jan. 31, 2019	Dec. 31, 2021	Dec. 31, 2019
Equity Class Of Treasury Stock [Line Items]
Total number of shares purchased					300,000
Average price paid per share					$ 15.26
Common Stock
Equity Class Of Treasury Stock [Line Items]
Total number of shares purchased	1,000,000,000,000	221,700	78,300	158,048	300,000	158,048
Average price paid per share	$ 20	$ 15.23	$ 15.37	$ 16.48	$ 15.26	$ 16.48
Total amount paid		$ 3,376	$ 1,203	$ 2,604	$ 4,579	$ 2,604

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Total cost of shares repurchased divided by the total number of shares repurchased.

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Number of shares that have been repurchased during the period and are being held in treasury.

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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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