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Derivative Financial Instruments (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($) item	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($) item
Derivative Financial Instruments
Net (losses) gains from changes in the fair value of derivatives	$ 7,100	$ 2,500
Mortgage servicing rights	18,458	15,312
Income from mortgage service rights
Derivative Financial Instruments
Mortgage servicing rights	18,500	15,300
Rate lock commitments
Derivative Financial Instruments
Notional value	334,722
Forward Sale Commitments
Derivative Financial Instruments
Notional value	$ 760,826
Swaps
Derivative Financial Instruments
Derivative, maturity term	3 months
Derivative swap default credit	5 years
Swaps | Minimum
Derivative Financial Instruments
Derivative swap rate period	5 years
Swaps | Maximum
Derivative Financial Instruments
Derivative swap rate period	10 years
Swaps | Agency Business | Other Income
Derivative Financial Instruments
Realized gain (loss) on derivatives	$ 1,600	18,000
Unrealized gain (loss) on derivatives	4,400	$ 2,000
Non-Qualifying | Agency Business
Derivative Financial Instruments
Notional value	1,120,548		$ 515,723
Fair Value, classified in Derivative Assets	9,776		1,505
Fair Value, classified in Derivative Liabilities	$ (3,374)		$ (4,897)
Non-Qualifying | Rate lock commitments | Agency Business
Derivative Financial Instruments
Count | item	9		6
Notional value	$ 334,722		$ 91,472
Fair Value, classified in Derivative Assets	3,097		354
Fair Value, classified in Derivative Liabilities	$ (2,352)		$ (1,070)
Non-Qualifying | Forward Sale Commitments | Agency Business
Derivative Financial Instruments
Count | item	48		27
Notional value	$ 760,826		$ 294,451
Fair Value, classified in Derivative Assets	6,679		1,151
Fair Value, classified in Derivative Liabilities	$ (1,022)		$ (3,827)
Non-Qualifying | Swaps | Agency Business
Derivative Financial Instruments
Count | item	250		1,298
Notional value	$ 25,000		$ 129,800

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Amount of revenue recorded for the mortgage servicing rights obtained from sold loans.

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Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of unrealized gain (loss) recognized in income for derivative asset (liability) after deduction of derivative liability (asset), measured at fair value using unobservable input (level 3) and still held.

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