Goodwill and Other Intangible Assets - Estimated Future Amortization Expense (Details) $ in Thousands	Mar. 31, 2022 USD ($)
Loan Servicing Rights
Finite-Lived Intangible Assets [Line Items]
2022	$ 2,660
2023	3,146
2024	2,733
2025	2,368
2026	2,039
Core Deposits
Finite-Lived Intangible Assets [Line Items]
2022	8,516
2023	9,510
2024	7,740
2025	5,970
2026	4,225
Other
Finite-Lived Intangible Assets [Line Items]
2022	1,372
2023	1,600
2024	1,401
2025	1,202
2026	$ 998

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 http://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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