Goodwill and Other Intangible Assets - Estimated Future Amortization Expense (Details) $ in Thousands	Sep. 30, 2025 USD ($)
Loan Servicing Rights
Finite-Lived Intangible Assets [Line Items]
2025	$ 661
2026	2,478
2027	2,182
2028	1,905
2029	1,670
Core Deposits
Finite-Lived Intangible Assets [Line Items]
2025	5,058
2026	17,223
2027	13,544
2028	10,117
2029	7,500
Other
Finite-Lived Intangible Assets [Line Items]
2025	1,306
2026	4,805
2027	4,205
2028	3,633
2029	$ 3,081