Securities - Securities Sold (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Debt Securities, Available-for-sale [Line Items]
Carrying Value	$ 511,419,000		$ 174,285,000
Net Proceeds	488,981,000	$ 0	176,455,000
Gain/(Loss)	(22,438,000)	$ 0	2,170,000
Obligations of other U.S. Government agencies and corporations
Debt Securities, Available-for-sale [Line Items]
Carrying Value	170,000,000
Net Proceeds	164,915,000
Gain/(Loss)	(5,085,000)
Obligations of states and political subdivisions
Debt Securities, Available-for-sale [Line Items]
Carrying Value	104,950,000		47,000
Net Proceeds	99,439,000		49,000
Gain/(Loss)	(5,511,000)		2,000
Residential mortgage-backed securities | Government agency mortgage-backed securities
Debt Securities, Available-for-sale [Line Items]
Carrying Value	137,196,000		145,572,000
Net Proceeds	130,602,000		149,473,000
Gain/(Loss)	(6,594,000)		3,901,000
Residential mortgage-backed securities | Government agency collateralized mortgage obligations
Debt Securities, Available-for-sale [Line Items]
Carrying Value	54,028,000		12,362,000
Net Proceeds	51,101,000		12,562,000
Gain/(Loss)	(2,927,000)		200,000
Government agency mortgage-backed securities | Government agency mortgage-backed securities
Debt Securities, Available-for-sale [Line Items]
Carrying Value	5,048,000
Net Proceeds	4,825,000
Gain/(Loss)	(223,000)
Government agency mortgage-backed securities | Government agency collateralized mortgage obligations
Debt Securities, Available-for-sale [Line Items]
Carrying Value	40,197,000
Net Proceeds	38,099,000
Gain/(Loss)	$ (2,098,000)
Trust preferred securities
Debt Securities, Available-for-sale [Line Items]
Carrying Value			12,021,000
Net Proceeds			9,961,000
Gain/(Loss)			(2,060,000)
Other debt securities
Debt Securities, Available-for-sale [Line Items]
Carrying Value			4,283,000
Net Proceeds			4,410,000
Gain/(Loss)			$ 127,000