Treasury Stock	12 Months Ended
Dec. 31, 2022
Equity [Abstract]
Treasury Stock	18. Treasury Stock Common Stock Repurchases On September 23, 2020, the board of directors of First Seacoast Bancorp (a federal corporation) authorized the repurchase of up to 136,879 shares of First Seacoast Bancorp's (a federal corporation) outstanding common stock, which equals approximately 2.2% of all shares then outstanding and approximately 5.0% of the then outstanding shares owned by stockholders other than First Seacoast Bancorp, MHC. The Company holds repurchased shares in its treasury. As of December 31, 2022 and 2021, First Seacoast Bancorp (a federal corporation) had repurchased 136,879 and 78,433 shares of its common stock, respectively. Equity Incentive Plan A certain member of management elected to surrender 593 shares of a vested restricted stock award on November 18, 2022 in lieu of a cash payment for the tax liabilities associated with the time-vestng of their award. The Company holds these shares in its treasury. As of December 31, 2022 and 2021, the Company held a total of 137,472 and 78,433 shares in its treasury, respectively.

Treasury Stock

12 Months Ended

Dec. 31, 2022

18.

Treasury Stock

Common Stock Repurchases

On September 23, 2020, the board of directors of First Seacoast Bancorp (a federal corporation) authorized the repurchase of up to 136,879 shares of First Seacoast Bancorp's (a federal corporation) outstanding common stock, which equals approximately 2.2% of all shares then outstanding and approximately 5.0% of the then outstanding shares owned by stockholders other than First Seacoast Bancorp, MHC. The Company holds repurchased shares in its treasury. As of December 31, 2022 and 2021, First Seacoast Bancorp (a federal corporation) had repurchased 136,879 and 78,433 shares of its common stock, respectively.

Equity Incentive Plan

A certain member of management elected to surrender 593 shares of a vested restricted stock award on November 18, 2022 in lieu of a cash payment for the tax liabilities associated with the time-vestng of their award. The Company holds these shares in its treasury. As of December 31, 2022 and 2021, the Company held a total of 137,472 and 78,433 shares in its treasury, respectively.