Mortgage Servicing Rights - Servicing Income and Expense Included in Mortgage Banking Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Servicing income:
Servicing income	$ 7,768	$ 7,429
Contractually Specified Servicing Fee Income, Statement of Income or Comprehensive Income [Extensible Enumeration]	Mortgage banking income, service charges on deposit accounts, ATM and interchange fees, investment services and trust income, Other expense	Mortgage banking income, service charges on deposit accounts, ATM and interchange fees, investment services and trust income, Other expense
Change in fair value of mortgage servicing rights	$ (5,274)	$ 19,351
Change in fair value of derivative hedging instruments	1,867	(19,098)
Servicing income	4,361	7,682
Servicing expenses	1,883	2,548
Net servicing income (loss)	$ 2,478	$ 5,134

Change in fair value of derivative hedging instruments.

No definition available.

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- Definition

Change in fair value of mortgage servicing rights.

+ References

No definition available.

+ Details

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- Definition

Contractually Specified Servicing Fee, Late Fee, And Ancillary Fee Earned In Exchange For Servicing Financial Asset (Liabilities)

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No definition available.

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- Definition

Gross servicing expenses.

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No definition available.

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- Definition

Servicing income.

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No definition available.

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- Definition

Servicing income (loss).

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No definition available.

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- Definition

Indicates line item in statement of income or comprehensive income that includes contractually specified servicing fee income.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 50
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=128311188&loc=d3e122596-111746

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- Definition

All amounts that, per contract, are due to the servicer in exchange for servicing the financial asset and would no longer be received by a servicer if the beneficial owners of the serviced assets (or their trustees or agents) were to exercise their actual or potential authority under the contract to shift the servicing to another servicer. Depending on the servicing contract, those fees may include some or all of the difference between the interest rate collected on the asset being serviced and the rate to be paid to the beneficial owners of the asset.

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+ Details

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