Investment Securities (Narrative) (Details) $ in Thousands	3 Months Ended
Mar. 31, 2023 USD ($) security	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($)
Debt Securities, Available-for-sale [Line Items]
Number of individual available-for-sale securities with unrealized losses \| security	241
Unrealized Losses	$ 33,046		$ 35,857
Aggregate percentage of depreciation	12.99%
Debt Securities, Available-for-Sale, Allowance for Credit Loss	$ 0
Proceeds from the sale of available for sale securities and calls	0	$ 0
Gains on sales of investment securities	0	0
Losses on sales of investment securities	0	$ 0
Federal Home Loan Bank Advances [Member]
Debt Securities, Available-for-sale [Line Items]
Available for sale securities pledged to secure Federal Home Loan Bank of New York ("FHLBNY") borrowings	15,027		15,407
Asset Pledged as Collateral [Member] \| Federal Reserve Bank Advances [Member]
Debt Securities, Available-for-sale [Line Items]
Available for sale securities pledged to secure Federal Home Loan Bank of New York ("FHLBNY") borrowings	$ 85,022		$ 958

Represents the Aggregate percentage of depreciation.

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Amount, after allowance for credit loss, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), investment in debt security measured at amortized cost (held-to-maturity), and investment in debt security measured at fair value with change in fair value recognized in net income (trading).

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Amount of realized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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