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Fair Value Measurements - Schedule of Sensitivity Analysis for Servicing Rights (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Market servicing costs |  |
2.5 basis points increase | $ (10,280) | $ (10,395)
5.0 basis points increase | (20,559) | (20,807)
Conditional prepayment rate |  |
10% increase | (3,370) | (4,036)
20% increase | (6,770) | (7,833)
Annual default rate |  |
10% increase | (153) | (166)
20% increase | (305) | (331)
Discount rate |  |
100 basis points increase | (4,021) | (3,905)
200 basis points increase | $ (7,787) | $ (7,562)

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- Definition 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. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 860 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481326/860-20-50-4 + Details
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