Commitments and Contingent Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Loss Contingencies [Line Items]
Off-Balance Sheet, Credit Loss, Liability	$ 21,500		$ 21,500		$ 25,000
Provision for Other Losses	0	$ 500	(3,500)	$ 2,000
Commitments
Loss Contingencies [Line Items]
Amount of commitment	15,600,000		15,600,000
Home Equity Line of Credit
Loss Contingencies [Line Items]
Amount of commitment	1,800,000		$ 1,800,000
Standby letter of credit
Loss Contingencies [Line Items]
Expiry period of standby letter of credit, maximum			2 years
Amount of commitment	$ 326,800		$ 326,800