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v3.23.3

Fair Value - Additional Information (Detail) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2023 USD ($) $ / shares | Dec. 31, 2022 USD ($)
Servicing Assets At Fair Value [Line Items] |  |
Servicing rights of sold loans | $ 2,150.0 | $ 2,160.0
Weighted average net servicing fee income, Basis points | 0.284% |
Weighted average prepayment speed assumption used in the fair value | 8.15% |
Weighted average discount rate | 9.81% |
Minimum [Member] |  |
Servicing Assets At Fair Value [Line Items] |  |
Estimated base annual servicing costs | $ / shares | 75 |
Base discount rate | 9.50% |
Maximum [Member] |  |
Servicing Assets At Fair Value [Line Items] |  |
Estimated base annual servicing costs | $ / shares | 85 |
Base discount rate | 11.50% |
10 Corporate Bonds | Level 3 [Member] |  |
Servicing Assets At Fair Value [Line Items] |  |
Purchase price | $ 4.3 |
6 Mortgage Backed Securities | Level 3 [Member] |  |
Servicing Assets At Fair Value [Line Items] |  |
Purchase price | $ 7.5 |

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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 -Topic 860 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481326/860-20-50-4 + Details
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