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v3.22.2.2

Fair Value - Additional Information (Detail) $ in Millions | 9 Months Ended |
--- | --- | ---
Sep. 30, 2022 USD ($) $ / shares | Dec. 31, 2021 USD ($)
Servicing Assets At Fair Value [Line Items] |  |
Servicing rights of sold loans | $ 2,170.0 | $ 1,910.0
Weighted average net servicing fee income, Basis points | 0.284% |
Weighted average prepayment speed assumption used in the fair value | 7.99% |
Weighted average discount rate | 9.32% |
Minimum [Member] |  |
Servicing Assets At Fair Value [Line Items] |  |
Estimated base annual servicing costs | $ / shares | 65.00 |
Base discount rate | 9.00% |
Maximum [Member] |  |
Servicing Assets At Fair Value [Line Items] |  |
Estimated base annual servicing costs | $ / shares | 80.00 |
Base discount rate | 11.00% |
15 Corporate Bonds | Level 3 [Member] |  |
Servicing Assets At Fair Value [Line Items] |  |
Purchase price | $ 8.0 |
6 Mortgage Backed Securities | Level 3 [Member] |  |
Servicing Assets At Fair Value [Line Items] |  |
Purchase price | $ 7.6 |

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- Definition Discount rate which is used to value residual cash flows generated by financial assets of a securitization, asset-backed financing arrangement, or similar transfer regardless of when the transfer occurred. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI https://asc.fasb.org/extlink&oid=121570589&loc=d3e107314-111719 + Details
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- Definition Estimated rate of prepayment of principal on financial assets regardless of when the transfer occurred. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(2) -URI https://asc.fasb.org/extlink&oid=121570589&loc=d3e107314-111719 + Details
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- Definition Aggregate amount of servicing assets that are subsequently measured at fair value and servicing assets that are subsequently measured using the amortization method. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 50 -Section 45 -Paragraph 2 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=6469459&loc=d3e122501-111745 + Details
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