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Goodwill and Other Acquisition-Related Intangible Assets - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Goodwill recorded on acquisition |  |  | $ 2,622 |
Goodwill decrease for foreign currency translation adjustments |  |  | (37) |
Amortization of other acquisition-related intangible assets | $ 1,408 | $ 1,492 | 4,142 | $ 4,680
Wealth management |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Goodwill recorded on acquisition |  |  | 2,622 |
Goodwill decrease for foreign currency translation adjustments |  |  | $ 0 |
Wealth management | Customer list and other intangibles |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Amortization period in years, other intangible assets | 10 years |  | 10 years |
Specialty finance |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Goodwill recorded on acquisition |  |  | $ 0 |
Goodwill decrease for foreign currency translation adjustments |  |  | $ (37) |
Specialty finance | Customer list intangibles |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Amortization period in years, other intangible assets | 18 years |  | 18 years |
Community banking |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Goodwill recorded on acquisition |  |  | $ 0 |
Goodwill decrease for foreign currency translation adjustments |  |  | $ 0 |
Community banking | Core deposit intangibles |  |  |  |
Indefinite-lived Intangible Assets [Line Items] |  |  |  |
Amortization period in years, other intangible assets | 10 years |  | 10 years |

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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482573/350-20-50-1 + Details
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