Securities - Narrative (Details)	3 Months Ended	12 Months Ended
	Dec. 31, 2022 USD ($)	Dec. 31, 2024 USD ($) security	Dec. 31, 2023 USD ($) security	Dec. 31, 2022 USD ($)
Federal Home Loan Bank, Advance, Branch of FHLBank [Line Items]
Recognized gains (losses) on equity securities		$ (18,400)	$ (10,000)	$ (125,000)
Proceeds from sales			510,500,000
Pre-tax loss on sale		(50,000)	69,983,000	11,916,000
Net gain on sale of VISA Class B shares	$ 11,400,000
Proceeds from sale of VISA Class B shares	$ 11,400,000	$ 0	$ 0	$ 11,407,000
Number of securities in an unrealized loss position | security		577	572
Securities pledged or sold under agreements to repurchase		$ 904,200,000	$ 1,000,000,000.0
Number of equity fund | security		1
Equity method investments		$ 671,000	$ 485,000
Equity method investment, other than temporary Impairment		0
Federal Home Loan Bank New York (FHLBNY)
Federal Home Loan Bank, Advance, Branch of FHLBank [Line Items]
Federal home loan bank, advances, branch of FHLB bank, amount of advances		42,200,000
Atlantic Central Bankers Bank (ACBB)
Federal Home Loan Bank, Advance, Branch of FHLBank [Line Items]
Federal home loan bank, advances, branch of FHLB bank, amount of advances		$ 95,000