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Business Combination & Asset Purchase - Summary of Consideration Paid and Amounts of Assets Acquired and Liabilities Assumed Recognized (Parenthetical) (Detail) - Perpetual Federal Savings Bank [Member] - shares	Oct. 01, 2022	Oct. 01, 2021
Business Acquisition [Line Items]
Common stock issued in exchange of each outstanding share	500,426	1,833,845
Treasury stock repurchased	125

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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