Summary of Significant Accounting Policies - Additional Information (Details)		12 Months Ended
	Oct. 22, 2024 USD ($) $ / shares shares	Dec. 31, 2024 USD ($) Segment shares	Dec. 31, 2023 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Gross offering proceeds		$ 17,932,000
Cost of conversion and issuance of common stock		4,700,000
Reduced cash reserve balance		0	$ 0
Loans held for sale		26,026,000	22,576,000
Unpaid principal balance		25,500,000	21,200,000
Goodwill impairment		$ 5,786,000	$ 0
Dilutive or potentially dilutive securities | shares		0
Percentage of deferrd tax assets recognized based on tax position		50.00%
Number of reporting segments | Segment		2
Commercial Real Estate Loans | Commercial Construction Loans | Customer Concentration Risk | Revenue Benchmark
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Portfolio percentage		32.00%	31.00%
Maximum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Percentage of tax position recognition threshold measured as tax benefit realized upon settlement		50.00%
Maximum | Buildings and leasehold and land improvements
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Estimated useful lives		39 years
Maximum | Furniture, fixtures and equipment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Estimated useful lives		10 years
Minimum | Buildings and leasehold and land improvements
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Estimated useful lives		5 years
Minimum | Furniture, fixtures and equipment
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Estimated useful lives		3 years
Accounting Standards Update 2016-13 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Change in accounting principle, accounting standards update, adopted		true
Change in accounting principle, accounting standards update, adoption date		Jan. 01, 2023
Change in accounting principle, accounting standards update, immaterial effect		true
Accounting Standards Update 2022-02 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Change in accounting principle, accounting standards update, adoption date		Jan. 01, 2023
Change in accounting principle, accounting standards update, immaterial effect		true
Accounting Standards Update 2023-07 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Change in accounting principle, accounting standards update, adoption date		Dec. 15, 2023
Change in accounting principle, accounting standards update, immaterial effect		true
Accounting Standards Update 2023-09 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Change in accounting principle, accounting standards update, adoption date		Dec. 15, 2024
Change in accounting principle, accounting standards update, immaterial effect		true
Common Stock [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cost of shares purchased		$ 17,900,000
Common Stock [Member] | Bank Employee Stock Ownership Plan [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Sale of stock | shares	19,837,500
Gross offering proceeds	$ 198,400,000
Offering price per share | $ / shares	$ 10
Cost of conversion and issuance of common stock	$ 4,700,000
Purchased shares | shares	1,587,000
Percentage of total shares issued	8.00%
Cost of shares purchased	$ 17,900,000
Net offering proceeds contributed as additional capital	$ 88,400,000