Securities (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2023
Debt Securities, Available-for-Sale, Allowance for Credit Loss			$ 0
Accrued interest receivable on held-to-maturity securities	$ 3,700,000
Accrued interest receivable on available-for-sale debt securities			7,100,000
Proceeds from Sale of Debt Securities, Available-for-sale	84,200,000	$ 45,000,000.0
Mortgage Backed Securities Available for Sale Amortized Cost	56,600,000	$ 340,800,000	5,400,000
Other Assets [Member] | Non-qualified Deferred Compensation Plan [Member]
Deferred Compensation Plan, Amounts Held in Rabbi Trust	24,300,000		26,500,000
Collateralized Mortgage Obligations by Commercial Real Estate [Member]
Debt Securities, Available-for-Sale, Allowance for Credit Loss	0		0
Held-to-maturity Securities
Specific reserve for outstanding balance of financing receivable in active forbearance	1,100,000		1,100,000
Accrued interest receivable on held-to-maturity securities	$ 100,000		$ 100,000