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v3.23.3

Debt - Schedule of Debt (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2022
Debt Instrument [Line Items] |  |  |  |  |
Total Outstanding | $ 6,269,834,000 |  | $ 6,269,834,000 |  | $ 5,520,963,000
Less: unamortized debt issuance costs, premiums and discounts | (28,448,000) |  | (28,448,000) |  | (35,081,000)
Total debt | 6,241,386,000 |  | 6,241,386,000 |  | 5,485,882,000
Debt discounts issued |  |  | 0 |  |
Debt premium |  |  | 0 |  |
Amount not available for general borrowing purposes to secure letter of credit | 6,400,000 |  | 6,400,000 |  | 9,100,000
Asset Pledged as Collateral |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Amount not available for general borrowing purposes to secure letter of credit | 13,700,000 |  | 13,700,000 |  | 11,700,000
Personal Loan Securitizations |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total Collateral | 620,863,000 |  | 620,863,000 |  |
Total Outstanding | 374,172,000 |  | 374,172,000 |  | 529,132,000
Student loan securitizations |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total Collateral | 286,181,000 |  | 286,181,000 |  |
Total Outstanding | 247,911,000 |  | 247,911,000 |  | 246,856,000
Secured Debt | Asset Pledged as Collateral |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total Capacity | 150,200,000 |  | 150,200,000 |  |
Unsecured Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total Capacity | $ 50,000,000 |  | $ 50,000,000 |  |
Minimum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Unused commitment fee percentage |  |  | 0.00% |  |
Minimum | Personal Loan Securitizations |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Stated Interest Rate | 0.49% |  | 0.49% |  |
Minimum | Student loan securitizations |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Stated Interest Rate | 1.83% |  | 1.83% |  |
Maximum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Unused commitment fee percentage |  |  | 0.65% |  |
Maximum | Personal Loan Securitizations |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Stated Interest Rate | 6.21% |  | 6.21% |  |
Maximum | Student loan securitizations |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Stated Interest Rate | 4.44% |  | 4.44% |  |
Personal loan warehouse facilities | Line of Credit |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total Collateral | $ 2,118,409,000 |  | $ 2,118,409,000 |  |
Total Capacity | 4,725,000,000 |  | 4,725,000,000 |  |
Total Outstanding | $ 1,778,474,000 |  | $ 1,778,474,000 |  | 1,452,085,000
Personal loan warehouse facilities | Minimum | Line of Credit |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Stated Interest Rate | 5.56% |  | 5.56% |  |
Personal loan warehouse facilities | Maximum | Line of Credit |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Stated Interest Rate | 7.29% |  | 7.29% |  |
Student loan warehouse facilities | Line of Credit |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total Collateral | $ 2,557,824,000 |  | $ 2,557,824,000 |  |
Total Capacity | 3,395,000,000 |  | 3,395,000,000 |  |
Total Outstanding | $ 2,111,532,000 |  | $ 2,111,532,000 |  | 1,504,926,000
Student loan warehouse facilities | Minimum | Line of Credit |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Stated Interest Rate | 5.86% |  | 5.86% |  |
Student loan warehouse facilities | Maximum | Line of Credit |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Stated Interest Rate | 7.16% |  | 7.16% |  |
Credit card warehouse facility | Line of Credit |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total Collateral | $ 0 |  | $ 0 |  |
Stated Interest Rate | 6.75% |  | 6.75% |  |
Total Capacity | $ 100,000,000 |  | $ 100,000,000 |  |
Total Outstanding | 0 |  | 0 |  | 0
Risk retention warehouse facilities | Line of Credit |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total Collateral | 87,818,000 |  | 87,818,000 |  |
Total Capacity | 200,000,000 |  | 200,000,000 |  |
Total Outstanding | $ 71,745,000 |  | $ 71,745,000 |  | 101,964,000
Risk retention warehouse facilities | Minimum | Line of Credit |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Stated Interest Rate | 5.43% |  | 5.43% |  |
Risk retention warehouse facilities | Maximum | Line of Credit |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Stated Interest Rate | 7.42% |  | 7.42% |  |
Revolving credit facility | Line of Credit |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Amount not available for general borrowing purposes to secure letter of credit | $ 5,100,000 |  | $ 5,100,000 |  |
Revolving credit facility | Revolving credit facility |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Stated Interest Rate | 6.92% |  | 6.92% |  |
Total Capacity | $ 645,000,000 |  | $ 645,000,000 |  |
Total Outstanding | $ 486,000,000 |  | $ 486,000,000 |  | 486,000,000
Convertible senior notes | Convertible Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Stated Interest Rate | 0.00% |  | 0.00% |  |
Total Outstanding | $ 1,200,000,000 |  | $ 1,200,000,000 |  | 1,200,000,000
Less: unamortized debt issuance costs, premiums and discounts | (15,600,000) |  | (15,600,000) |  | (19,400,000)
Interest expense | $ 1,274,000 | $ 1,270,000 | $ 3,819,000 | $ 3,805,000 |
Effective interest rate | 0.42% | 0.42% | 0.42% | 0.42% |
Net carrying amount | $ 1,180,000,000 |  | $ 1,180,000,000 |  | 1,180,000,000
Other financing | Other Financings |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total Collateral | 158,910,000 |  | 158,910,000 |  |
Total Capacity | 200,247,000 |  | 200,247,000 |  |
Total Outstanding | 0 |  | 0 |  | $ 0
Other financing | Other Financings | Securities Investment |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total Collateral | 135,900,000 |  | 135,900,000 |  |
Other financing | Other Financings | Loans at fair value |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total Collateral | $ 23,000,000 |  | $ 23,000,000 |  |

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