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Operating Expenses - Schedule Of Operating Expenses (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2019
Goodwill [Line Items] |  |  |  |
Fixed compensation expense | $ 53,525 | $ 63,642 | $ 46,328 |
Annual variable compensation expense | 14,752 | 12,873 | 58,569 |
Long-term incentive award expense | 24,854 | 23,101 | 19,938 |
Acquisition-related equity compensation expense | 0 | 0 | 3,813 |
Systems and consulting | 12,454 | 14,193 | 14,445 |
Office costs | 8,590 | 8,574 | 7,837 |
Accounting and legal | 5,191 | 6,644 | 4,975 |
Corporate costs | 3,628 | 3,675 | 3,388 |
Other | 5,301 | 8,206 | 5,925 |
Total General and Administrative Expenses | 128,295 | 140,908 | 165,218 |
Portfolio Management Costs | 14,571 | 7,951 | 5,758 |
Commissions | 3,746 | 7,154 | 7,116 |
Underwriting costs | 1,633 | 3,368 | 7,645 |
Transfer and holding costs | 1,787 | 1,244 | 1,458 |
Loan acquisition costs | 7,166 | 11,766 | 16,219 |
Amortization of purchase-related intangible assets | 12,430 | 13,969 | 15,304 |
Other | 3,808 | 1,621 | 1,391 |
Total Other Expenses | 16,238 | 15,590 | 16,695 |
Total Operating Expenses | 166,270 | 176,215 | 203,890 |
Severance costs | 2,000 | 7,000 |  |
Co-investors gains (losses) | 6,000 | 2,000 | 2,000 |
Settled Litigation |  |  |  |
Goodwill [Line Items] |  |  |  |
Litigation reserve | (2,000) |  |  |
CoreVest |  |  |  |
Goodwill [Line Items] |  |  |  |
Restricted stock awards (in shares) |  |  |  | 588,260
Settlement in Common Stock |  |  |  |
Goodwill [Line Items] |  |  |  |
Long-term incentive award expense | 18,000 | 20,000 | 14,000 |
Settlement in Cash |  |  |  |
Goodwill [Line Items] |  |  |  |
Long-term incentive award expense | $ 6,000 | $ 3,000 | $ 6,000 |

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