Pay vs Performance Disclosure - USD ($) $ in Thousands	3 Months Ended
Pay vs Performance Disclosure - USD ($) $ in Thousands	Mar. 31, 2026	Mar. 31, 2025
Pay vs Performance Disclosure
Net Income (Loss)	$ (508)	$ (603)

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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+ Details

First Seacoast Bancorp, Inc. 10-Q