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Goodwill and other intangibles - Summary of Estimated Amortization Expense on Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Finite-Lived Intangible Assets
2025	$ 1,540
2026	5,814
2027	5,130
2028	4,446
2029	3,762
Thereafter	8,547
Total amortizing intangible	29,239	$ 34,197
Core deposit intangibles
Finite-Lived Intangible Assets
2025	1,499
2026	5,661
2027	4,995
2028	4,329
2029	3,663
Thereafter	8,324
Total amortizing intangible	28,471	33,299
Wealth management customer list intangible
Finite-Lived Intangible Assets
2025	41
2026	153
2027	135
2028	117
2029	99
Thereafter	223
Total amortizing intangible	$ 768	$ 898

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