Borrowed Funds And Subordinated Debt (Narrative) (Details) - USD ($) $ in Thousands		12 Months Ended
	Jul. 09, 2020	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Borrowing amount		$ 145,077	$ 192,747	$ 32,145
Purchased discounts		100	300	700
Balance		1,720,946	1,672,369
FHLBNY stock, carrying value		$ 4,914	10,437
Capital Securities And Common Stock [Member]
Debt Instrument [Line Items]
Debt issuance date		Oct. 01, 2004
Junior subordinated debentures		$ 11,300	11,300
Capital Securities [Member]
Debt Instrument [Line Items]
Junior subordinated debentures		$ 11,000
Maturity date		Nov. 23, 2034
Distribution rate		8.24%
Common Stock [Member]
Debt Instrument [Line Items]
Junior subordinated debentures		$ 300
Junior Subordinated Debentures [Member] | Capital Securities And Common Stock [Member]
Debt Instrument [Line Items]
Junior subordinated debentures		$ 11,300
Maturity date		Oct. 01, 2037
Interest rate		8.24%
Subordinated Debt [Member]
Debt Instrument [Line Items]
Subordinated debt	$ 20,000
Junior subordinated debentures		$ 20,000	20,000
Maturity date	Jul. 15, 2030
Interest rate	6.00%
Basis spread on variable rate	5.90%
FHLB Advances [Member]
Debt Instrument [Line Items]
Borrowing amount		6,077	19,547	$ 32,145
FHLB advances available		364,000
Additional borrowing available against collateral		3,100
FHLB Overnight Line of Credit [Member]
Debt Instrument [Line Items]
Borrowing amount		53,000	173,200
Federal Reserve Bank Advances [Member]
Debt Instrument [Line Items]
Borrowing amount		$ 86,000
Three-month LIBOR [Member] | Capital Securities [Member]
Debt Instrument [Line Items]
Distribution rate		2.65%
Minimum [Member] | FHLB Advances [Member]
Debt Instrument [Line Items]
FHLB advances fixed interest rate		2.28%
Maximum [Member] | FHLB Advances [Member]
Debt Instrument [Line Items]
FHLB advances fixed interest rate		3.34%
Maximum [Member] | FHLB Overnight Line of Credit [Member]
Debt Instrument [Line Items]
FHLB advances available		$ 53,000
Residential Mortgages [Member]
Debt Instrument [Line Items]
Balance		446,851
FHLBNY [Member] | Residential Mortgages [Member] | Total Real Estate Loans [Member]
Debt Instrument [Line Items]
Balance		$ 566,000	$ 495,000