Right-Of-Use Lease Assets and Lease Liabilities - Lease Expense and Supplemental Information (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Leases [Abstract]
Right-of-use lease assets	$ 62,357	$ 46,845
Lease liabilities	$ 63,697	$ 47,850
Weighted average remaining lease term	7 years 10 months 20 days	6 years 8 months 8 days
Weighted average discount rate	3.39%	2.41%
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Premises and equipment	Premises and equipment
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Accrued interest and other liabilities	Accrued interest and other liabilities