Goodwill and Other Intangible Assets - Estimated Future Amortization Expense (Details) $ in Thousands	Mar. 31, 2023 USD ($)
Loan Servicing Rights
Finite-Lived Intangible Assets [Line Items]
2023	$ 2,365
2024	2,813
2025	2,461
2026	2,143
2027	1,861
Core Deposits
Finite-Lived Intangible Assets [Line Items]
2023	21,135
2024	24,897
2025	21,048
2026	17,223
2027	13,544
Other
Finite-Lived Intangible Assets [Line Items]
2023	4,810
2024	5,951
2025	5,380
2026	4,805
2027	$ 4,205

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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