Goodwill and Other Intangible Assets - Current Year Amortization Expense for Finite-Lived Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Finite-Lived Intangible Assets [Line Items]
Total intangible amortization	$ 8,674	$ 1,160	$ 18,638	$ 3,558
Core deposit intangibles
Finite-Lived Intangible Assets [Line Items]
Total intangible amortization	8,412	862	17,852	2,664
Customer relationship intangible
Finite-Lived Intangible Assets [Line Items]
Total intangible amortization	$ 262	$ 298	$ 786	$ 894