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Securities - Securities Sold (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Debt Securities, Available-for-sale [Line Items]
Carrying Value Immediately Prior to Sale		$ 511,419,000	$ 196,537,000	$ 511,419,000
Net Proceeds	$ 0	488,981,000	177,185,000	488,981,000
Impairment Recognized		(22,438,000)	(19,352,000)	(22,438,000)
Obligations of other U.S. Government agencies and corporations
Debt Securities, Available-for-sale [Line Items]
Carrying Value Immediately Prior to Sale		170,000,000		170,000,000
Net Proceeds		164,915,000		164,915,000
Impairment Recognized		(5,085,000)		(5,085,000)
Obligations of states and political subdivisions
Debt Securities, Available-for-sale [Line Items]
Carrying Value Immediately Prior to Sale		104,950,000	12,301,000	104,950,000
Net Proceeds		99,439,000	11,360,000	99,439,000
Impairment Recognized		(5,511,000)	(941,000)	(5,511,000)
Residential mortgage backed securities: | Government agency mortgage backed securities
Debt Securities, Available-for-sale [Line Items]
Carrying Value Immediately Prior to Sale		137,196,000	107,389,000	137,196,000
Net Proceeds		130,602,000	95,922,000	130,602,000
Impairment Recognized		(6,594,000)	(11,467,000)	(6,594,000)
Residential mortgage backed securities: | Government agency collateralized mortgage obligations
Debt Securities, Available-for-sale [Line Items]
Carrying Value Immediately Prior to Sale		54,028,000	48,300,000	54,028,000
Net Proceeds		51,101,000	43,990,000	51,101,000
Impairment Recognized		(2,927,000)	(4,310,000)	(2,927,000)
Commercial mortgage backed securities: | Government agency mortgage backed securities
Debt Securities, Available-for-sale [Line Items]
Carrying Value Immediately Prior to Sale		5,048,000		5,048,000
Net Proceeds		4,825,000		4,825,000
Impairment Recognized		(223,000)		(223,000)
Commercial mortgage backed securities: | Government agency collateralized mortgage obligations
Debt Securities, Available-for-sale [Line Items]
Carrying Value Immediately Prior to Sale		40,197,000	28,547,000	40,197,000
Net Proceeds		38,099,000	25,913,000	38,099,000
Impairment Recognized		$ (2,098,000)	$ (2,634,000)	$ (2,098,000)

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Debt Securities, Available for Sale, Securities Sold, at Carrying Value

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Amount of realized gain (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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