The hypothetical financial impact of a 10 percent adverse change of the discount rate on the fair value of transferor's interests in transferred financial assets (including any servicing assets or servicing liabilities) as of the balance sheet date.

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The hypothetical financial impact of a 10 percent adverse change of prepayment speed on the fair value of transferor's interests in transferred financial assets (including any servicing assets or servicing liabilities) as of the balance sheet date.

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The hypothetical financial impact of a 20 percent adverse change of the discount rate on the fair value of transferor's interests in transferred financial assets (including any servicing assets or servicing liabilities) as of the balance sheet date.

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The hypothetical financial impact of a 20 percent adverse change of prepayment speed on the fair value of transferor's interests in transferred financial assets (including any servicing assets or servicing liabilities) as of the balance sheet date.

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Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements.

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Discount rate used to estimate the fair value of servicing assets and servicing liabilities.

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Estimated rate of prepayments of principal on servicing assets and servicing liabilities.

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Servicing Assets and Liabilities - Key characteristics, inputs, and economic assumptions for SBA/USDA loans and related sensitivity (Details) - SBA/USDA loans - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Servicing Assets at Fair Value [Line Items]
Fair value of retained servicing assets	$ 6,513	$ 6,462	$ 6,794	$ 7,510
10% adverse change	(309)	(358)
20% adverse change	(591)	(680)
100 bps adverse change	(166)	(171)
200 bps adverse change	$ (323)	$ (333)
Weighted average
Servicing Assets at Fair Value [Line Items]
Prepayment rate assumption	16.30%	17.80%
Discount rate	10.30%	8.90%
Minimum
Servicing Assets at Fair Value [Line Items]
Prepayment rate assumption	3.20%	2.70%
Discount rate	0.00%	1.60%
Maximum
Servicing Assets at Fair Value [Line Items]
Prepayment rate assumption	31.30%	33.60%
Discount rate	45.40%	44.10%