Investments in Securities - Additional Information (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2024 USD ($) Age Security	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($) Age Security	Jun. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)
Schedule Of Available For Sale Securities [Line Items]
Accrued interest on held to maturity securities	$ 393,000		$ 393,000		$ 310,000
Debt Securities, Held-to-Maturity, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration]	Interest Receivable		Interest Receivable		Interest Receivable
Accrued interest on available for sale securities					$ 58,000
Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration]					Interest Receivable
Held-to-maturity securities, write-offs of accrued interest income	$ 0	$ 0	$ 0	$ 0
Held-to-maturity securities, delinquent amount	0		0		$ 0
Available for-sale-securities	0		0		5,003,000
Available-for-sale securities, credit loss	0	0	0	0	0
Available-for-sale securities, write-offs of accrued interest income	0	0	0	0
Available-for-sale securities, nonaccrual status		0		0
Sale of securities	0	$ 0	0	$ 0
Allowance for credit losses on securities	$ 0		$ 0
Debt securities issued by U.S. government-sponsored enterprises
Schedule Of Available For Sale Securities [Line Items]
Number of securities | Security	4		4
Percentage of unrealized losses with aggregate depreciation	3.00%		3.00%
Agency Mortgage-backed Securities
Schedule Of Available For Sale Securities [Line Items]
Number of securities | Age	50		50
Percentage of unrealized losses with aggregate depreciation	11.80%		11.80%
Corporate Bonds
Schedule Of Available For Sale Securities [Line Items]
Number of securities | Age	7		7
Percentage of unrealized losses with aggregate depreciation	6.40%		6.40%
US Treasury Securities
Schedule Of Available For Sale Securities [Line Items]
Number of securities | Age	3		3
Percentage of unrealized losses with aggregate depreciation	0.10%		0.10%
FHLB | Loans Pledged
Schedule Of Available For Sale Securities [Line Items]
Pledged securities	$ 57,200,000		$ 57,200,000		62,600,000
FRB | Loans Pledged
Schedule Of Available For Sale Securities [Line Items]
Pledged securities	$ 16,000,000		$ 16,000,000		$ 0