Fair Value - Schedule of assets and liabilities measured at fair value on a recurring basis (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Financial assets
Investment securities available for sale	$ 30,893	$ 0
SBA loans held for investment, at fair value	9,614	9,264
Fair Value, Recurring
Financial assets
Investment securities available for sale	30,893
Loans held for sale	114,131	208,704
SBA loans held for investment, at fair value	9,614	9,264
Fair Value, Recurring \| Interest rate lock commitments
Financial assets
Derivative assets	1,435	7,565
Financial liabilities
Derivative liabilities	23	12
Fair Value, Recurring \| Mandatory forward sales contracts
Financial assets
Derivative assets	88
Financial liabilities
Derivative liabilities	166	4,455
Fair Value, Recurring \| Best efforts forward sales contracts
Financial assets
Derivative assets	27	55
Fair Value, Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1)
Financial assets
Investment securities available for sale	0
Loans held for sale	43,837	21,888
SBA loans held for investment, at fair value	0	0
Fair Value, Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| Interest rate lock commitments
Financial assets
Derivative assets	0	0
Financial liabilities
Derivative liabilities	0	0
Fair Value, Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| Mandatory forward sales contracts
Financial assets
Derivative assets	88
Financial liabilities
Derivative liabilities	166	4,455
Fair Value, Recurring \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| Best efforts forward sales contracts
Financial assets
Derivative assets	0	0
Fair Value, Recurring \| Significant Other Observable Inputs (Level 2)
Financial assets
Investment securities available for sale	30,893
Loans held for sale	70,294	186,816
SBA loans held for investment, at fair value	0	0
Fair Value, Recurring \| Significant Other Observable Inputs (Level 2) \| Interest rate lock commitments
Financial assets
Derivative assets	0	0
Financial liabilities
Derivative liabilities	0	0
Fair Value, Recurring \| Significant Other Observable Inputs (Level 2) \| Mandatory forward sales contracts
Financial assets
Derivative assets	0
Financial liabilities
Derivative liabilities	0	0
Fair Value, Recurring \| Significant Other Observable Inputs (Level 2) \| Best efforts forward sales contracts
Financial assets
Derivative assets	0	0
Fair Value, Recurring \| Significant Unobservable Inputs (Level 3)
Financial assets
Investment securities available for sale	0
Loans held for sale	0	0
SBA loans held for investment, at fair value	9,614	9,264
Fair Value, Recurring \| Significant Unobservable Inputs (Level 3) \| Interest rate lock commitments
Financial assets
Derivative assets	1,435	7,565
Financial liabilities
Derivative liabilities	23	12
Fair Value, Recurring \| Significant Unobservable Inputs (Level 3) \| Mandatory forward sales contracts
Financial assets
Derivative assets	0
Financial liabilities
Derivative liabilities	0	0
Fair Value, Recurring \| Significant Unobservable Inputs (Level 3) \| Best efforts forward sales contracts
Financial assets
Derivative assets	$ 27	$ 55

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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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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Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

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Amount, before valuation allowance, of financing receivable classified as held-for-sale.

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