Derivative Financial Instruments - The Components Of Derivative Financial Instruments (Details) $ in Thousands	Dec. 31, 2021 USD ($) transaction	Dec. 31, 2020 USD ($) transaction
Assets
Estimated Fair Value	$ 10,815	$ 18,332
Liabilities:
Derivative financial instruments	14,408	30,891
Forward MBS trades
Assets
Outstanding Notional	450,600	189,900
Estimated Fair Value	1,329	468
Liabilities:
Outstanding Notional	16,600	433,400
Derivative financial instruments	52	2,883
Interest rate lock commitments (IRLC)
Assets
Outstanding Notional	142,334	462,394
Estimated Fair Value	$ 1,350	$ 5,686
Interest rate lock commitments (IRLC) \| Derivative financial instruments designated as hedging instruments:
Assets
Number of Transactions \| transaction	1	2
Outstanding Notional	$ 20,190	$ 38,978
Estimated Fair Value	$ 1,213	$ 830
Liabilities:
Number of Transactions \| transaction	12	12
Outstanding Notional	$ 179,431	$ 185,637
Derivative financial instruments	$ 7,107	$ 15,792
Interest rate lock commitments (IRLC) \| Derivative financial instruments not designated as hedging instruments:
Assets
Number of Transactions \| transaction	38	28
Outstanding Notional	$ 232,849	$ 171,609
Estimated Fair Value	$ 6,923	$ 11,348
Liabilities:
Number of Transactions \| transaction	38	28
Outstanding Notional	$ 232,849	$ 171,609
Derivative financial instruments	$ 7,366	$ 12,117

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Nominal or face amount used to calculate payments on the derivative asset.

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The number of derivative instruments of a particular derivative asset or group of derivative assets held by the entity.

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Fair value, after the 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 not subject to a master netting arrangement and not elected to be offset.

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