Derivatives - Derivative Financial Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Jul. 31, 2017
Derivatives, Fair Value [Line Items]
Notional Amount			$ 100,000
Asset	$ 68,938	$ 21,981
Liability	48,242	17,933
Not designated as hedging:
Derivatives, Fair Value [Line Items]
Notional Amount	3,532,227	1,967,191
Asset	68,938	21,981
Liability	46,333	17,418
Interest rate contracts \| Not designated as hedging:
Derivatives, Fair Value [Line Items]
Notional Amount	606,878	440,556
Asset	34,547	14,929
Liability	34,317	14,929
Forward commitments \| Not designated as hedging:
Derivatives, Fair Value [Line Items]
Notional Amount	1,358,328	684,437
Asset	0	0
Liability	11,633	866
Interest rate-lock commitments \| Not designated as hedging:
Derivatives, Fair Value [Line Items]
Notional Amount	1,191,621	453,198
Asset	34,391	7,052
Liability	0	0
Futures contracts \| Not designated as hedging:
Derivatives, Fair Value [Line Items]
Notional Amount	375,400	389,000
Asset	0	0
Liability	383	1,623
Interest rate swaps \| Designated as hedging:
Derivatives, Fair Value [Line Items]
Notional Amount	30,000	30,000
Asset	0	0
Liability	$ 1,909	$ 515

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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- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or 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 liabilities not subject to a master netting arrangement and not elected to be offset.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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