XML 5 R1.htm IDEA: XBRL DOCUMENT v3.23.4
Document and Entity Information
Jan. 25, 2024
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Jan. 25, 2024
Entity File Number 001-41597
Entity Registrant Name First Seacoast Bancorp, Inc.
Entity Central Index Key 0001943802
Entity Incorporation, State or Country Code MD
Entity Tax Identification Number 92-0334805
Entity Address, Address Line One 633 Central Avenue
Entity Address, City or Town Dover
Entity Address, State or Province NH
Entity Address, Postal Zip Code 03820
City Area Code 603
Local Phone Number 742-4680
Title of 12(b) Security Common stock, par value $0.01 per share
Trading Symbol FSEA
Security Exchange Name NASDAQ
Entity Emerging Growth Company true
Entity Ex Transition Period false
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false