Loans Held for Investment and the Allowance for Credit Losses - Schedule of Amortized Cost and Results of Internal Risk Rating Review Performed for Loans Held for Investment Portfolio (Details) $ in Thousands |
Jun. 30, 2025
USD ($)
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Mar. 31, 2025
USD ($)
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Dec. 31, 2024
USD ($)
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Jun. 30, 2024
USD ($)
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Mar. 31, 2024
USD ($)
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Dec. 31, 2023
USD ($)
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| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||||||
| Total | [1] | $ 3,774,686 | $ 3,278,588 | |||||
| Allowance for credit losses | [1] | (66,957) | (61,558) | |||||
| Loans held for investment, net | [1] | $ 3,707,729 | 3,217,030 | |||||
| Weighted average risk rating | 3.0 | |||||||
| Senior loans | ||||||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||||||
| Total | $ 3,774,686 | 3,278,588 | ||||||
| Allowance for credit losses | (66,957) | $ (64,721) | (61,558) | $ (66,848) | $ (71,258) | $ (67,092) | ||
| Loans held for investment, net | $ 3,707,729 | $ 3,217,030 | ||||||
| Weighted average risk rating | 3.0 | 3.0 | ||||||
| 1 | Senior loans | ||||||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||||||
| Total | $ 0 | $ 0 | ||||||
| 2 | Senior loans | ||||||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||||||
| Total | 62,767 | 62,716 | ||||||
| 3 | Senior loans | ||||||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||||||
| Total | 3,592,984 | 3,098,671 | ||||||
| 4 | Senior loans | ||||||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||||||
| Total | 118,935 | 117,201 | ||||||
| 5 | Senior loans | ||||||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||||||
| Total | $ 0 | $ 0 | ||||||
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