Goodwill and Other Intangible Assets - Estimated Future Amortization Expense (Details) $ in Thousands	Sep. 30, 2022 USD ($)
Loan Servicing Rights
Finite-Lived Intangible Assets [Line Items]
2022	$ 865
2023	3,195
2024	2,817
2025	2,471
2026	2,156
Core Deposits
Finite-Lived Intangible Assets [Line Items]
2022	7,975
2023	28,746
2024	24,897
2025	21,048
2026	17,223
Other
Finite-Lived Intangible Assets [Line Items]
2022	1,745
2023	6,522
2024	5,951
2025	5,380
2026	$ 4,805

Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in remainder of current fiscal year.

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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