Organization, Consolidation and Presentation of Financial Statements

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Fair value of liability associated with 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.

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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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Amount of obligation to return cash collateral under master netting arrangements that have not been offset against derivative assets.

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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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Fair value, before 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 elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

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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.

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Fair value of asset associated with 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.

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Nominal or face amount used to calculate payment on derivative.

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Organization, Summary of Significant Accounting Policies and New Accounting Standards - Derivative Financial Instruments (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Derivative liability	$ 7,985		$ 864
Gross Derivative Assets
Gross Derivative Assets	9,684		5,561
Less: derivative netting	(2,942)		(117)
Total, net	6,742		5,444
Gross Derivative Liabilities
Gross Derivative Liabilities	(10,927)		(981)
Gross offsetting liability positions	2,942		117
Total, net	(7,985)		(864)
Total notional amount of derivative contracts outstanding	6,927,491		5,798,529
Restricted cash and cash equivalents
Gross Derivative Liabilities
Cash collateral included in restricted cash and restricted cash equivalents	7,985		299
Interest rate swaps
Gross Derivative Assets
Gross Derivative Assets	0		5,444
Gross Derivative Liabilities
Gross Derivative Liabilities	(7,985)		0
Interest rate swaps \| Derivative contracts to manage future loan sale execution risk
Gross Derivative Liabilities
Total notional amount of derivative contracts outstanding	4,885,000		4,210,000
Interest rate swaps \| Derivative contracts not designed to manage future loan sale execution risk
Gross Derivative Liabilities
Total notional amount of derivative contracts outstanding	310,000		0
Home loan pipeline hedges
Gross Derivative Assets
Gross Derivative Assets	9,684		117
Gross Derivative Liabilities
Gross Derivative Liabilities	(150)		(313)
Home loan pipeline hedges \| Derivative contracts to manage future loan sale execution risk
Gross Derivative Liabilities
Total notional amount of derivative contracts outstanding	457,000		421,000
Interest rate caps
Gross Derivative Assets
Gross Derivative Assets	0		0
Gross Derivative Liabilities
Gross Derivative Liabilities	(2,792)		(668)
Interest rate caps \| Derivative contracts to manage future loan sale execution risk
Gross Derivative Liabilities
Total notional amount of derivative contracts outstanding	405,000		405,000
Interest rate caps \| Derivative contracts not designed to manage future loan sale execution risk
Gross Derivative Liabilities
Total notional amount of derivative contracts outstanding	405,000		405,000
IRLCs \| Derivative contracts not designed to manage future loan sale execution risk
Gross Derivative Liabilities
Total notional amount of derivative contracts outstanding	465,491		$ 357,529
Not designated as hedging instrument
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Gain (loss) from fair value changes on derivatives	158,910	$ 27,569
Not designated as hedging instrument \| Derivative contracts to manage future loan sale execution risk
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Gain (loss) from fair value changes on derivatives	160,607	36,071
Not designated as hedging instrument \| Interest rate caps
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Gain (loss) from fair value changes on derivatives	(2,124)	0
Not designated as hedging instrument \| Derivative contracts to manage securitization investment valuation risk
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Gain (loss) from fair value changes on derivatives	6,319	0
Not designated as hedging instrument \| IRLCs
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Gain (loss) from fair value changes on derivatives	(6,798)	(8,502)
Not designated as hedging instrument \| Purchase price earn-out
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Gain (loss) from fair value changes on derivatives	831	0
Not designated as hedging instrument \| Third-party warrants
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Gain (loss) from fair value changes on derivatives	75	$ 0
Derivative liability	964
Gross Derivative Liabilities
Total, net	(964)
Not designated as hedging instrument \| Non-interest income, other operating income \| Third-party warrants
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Gain (loss) from fair value changes on derivatives	(142)
Not designated as hedging instrument \| Noninterest expense, general and administrative \| Third-party warrants
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Gain (loss) from fair value changes on derivatives	$ 217