Investment Securities (Narrative) (Details) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2025 USD ($) security	Dec. 31, 2024 USD ($)
Debt Securities, Available-for-Sale [Line Items]
Number of individual available-for-sale securities with unrealized losses \| security	170
Unrealized losses	$ 11,068	$ 13,271
Aggregate percentage of depreciation	7.10%
Allowance for credit losses for available-for-sale securities	$ 0
Sale of available for sale securities	0
Gains on sales of available for sale securities	0
Losses on sales of available for sale securities	0
Available for sale securities on non-accrual status	0	0
Accrued interest related to securities reversed	0	0
Accrued interest receivable on available for sale securities	$ 648	$ 498
Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration]	Interest Receivable	Interest Receivable
Federal Home Loan Bank Advances
Debt Securities, Available-for-Sale [Line Items]
Available for sale securities pledged to secure Federal Home Loan Bank of New York ("FHLBNY") borrowings	$ 91,301	$ 101,395
Asset Pledged as Collateral \| Federal Reserve Bank Advances
Debt Securities, Available-for-Sale [Line Items]
Available for sale securities pledged to secure Federal Home Loan Bank of New York ("FHLBNY") borrowings	$ 942	$ 937

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