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Securities - Narrative (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Realized gains on available-for-sale debt securities	$ 0	$ 796,000	$ 0	$ 1,100,000
Realized losses on available-for-sale debt securities	48,500	851,000	48,500	851,000
Proceeds from sales of available-for-sale debt securities	24,600,000	103,800,000	24,621,000	142,679,000
Realized gains on called available-for-sale debt securities	0	0	0	0
Net losses on equity securities	46,900	$ 6,000	130,600	$ 18,000
Federal Home Loan Bank New York (FHLBNY)
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Holdings of FHLBNY, FHLBPITT and ACBB stock, amount of advances	9,100,000		9,100,000
Atlantic Central Bankers Bank (ACBB)
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items]
Holdings of FHLBNY, FHLBPITT and ACBB stock, amount of advances	$ 95,000		$ 95,000

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