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Financial Instruments and Fair Value Measurements - Schedule of Derivative Financial Instruments (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2023 | Dec. 31, 2022
Derivatives, Fair Value [Line Items] |  |
Fair value, liability derivatives | $ (1,171) | $ (46)
Derivative Asset | 35,867 | 54,902
Core Portfolio |  |
Derivatives, Fair Value [Line Items] |  |
Aggregate Notional Amount | 806,000 |
Fair value, derivatives, net | 24,838 | 40,838
Core Portfolio | Interest Rate Swaps |  |
Derivatives, Fair Value [Line Items] |  |
Fair value, liability derivatives | $ (1,171) | $ (46)
Derivative Liability, Statement of Financial Position [Extensible Enumeration] | Unconsolidated VIE liabilities | Unconsolidated VIE liabilities
Derivative Asset | $ 26,009 | $ 40,884
Derivative Asset, Statement of Financial Position [Extensible Enumeration] | Total assets | Total assets
Core Portfolio | Interest Rate Swaps | Other Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Aggregate Notional Amount | $ 50,000 |
Core Portfolio | Interest Rate Swaps | Other Assets |  |
Derivatives, Fair Value [Line Items] |  |
Aggregate Notional Amount | $ 756,000 |
Core Portfolio | Interest Rate Swaps | Minimum | Other Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Effective Date | 2022-12 |
Derivative Maturity Date | 2028-04 |
Strike Rate | 3.35% |
Core Portfolio | Interest Rate Swaps | Minimum | Other Assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Effective Date | 2015-03 |
Derivative Maturity Date | 2023-03 |
Strike Rate | 2.10% |
Core Portfolio | Interest Rate Swaps | Maximum | Other Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Effective Date | 2023-04 |
Derivative Maturity Date | 2029-12 |
Strike Rate | 3.61% |
Core Portfolio | Interest Rate Swaps | Maximum | Other Assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Effective Date | 2023-01 |
Derivative Maturity Date | 2030-07 |
Strike Rate | 3.05% |
Fund Portfolio | Fund II | Interest Rate Swaps |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Asset | $ 53 | $ 1,108
Derivative Asset, Statement of Financial Position [Extensible Enumeration] | Total assets | Total assets
Fund Portfolio | Fund II | Interest Rate Swaps | Other Assets |  |
Derivatives, Fair Value [Line Items] |  |
Aggregate Notional Amount | $ 50,000 |
Derivative Effective Date | 2023-01 |
Derivative Maturity Date | 2029-12 |
Fund Portfolio | Fund II | Interest Rate Swaps | Minimum | Other Assets |  |
Derivatives, Fair Value [Line Items] |  |
Strike Rate | 3.23% |
Fund Portfolio | Fund II | Interest Rate Swaps | Maximum | Other Assets |  |
Derivatives, Fair Value [Line Items] |  |
Strike Rate | 3.23% |
Fund Portfolio | Fund III | Interest Rate Caps |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Asset | $ 137 | $ 232
Derivative Asset, Statement of Financial Position [Extensible Enumeration] | Total assets | Total assets
Fund Portfolio | Fund III | Interest Rate Caps | Other Assets |  |
Derivatives, Fair Value [Line Items] |  |
Aggregate Notional Amount | $ 35,970 |
Derivative Effective Date | 2022-07 |
Derivative Maturity Date | 2023-07 |
Fund Portfolio | Fund III | Interest Rate Caps | Minimum | Other Assets |  |
Derivatives, Fair Value [Line Items] |  |
Strike Rate | 3.50% |
Fund Portfolio | Fund III | Interest Rate Caps | Maximum | Other Assets |  |
Derivatives, Fair Value [Line Items] |  |
Strike Rate | 3.50% |
Fund Portfolio | Fund IV | Interest Rate Caps |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Asset | $ 793 | $ 1,093
Derivative Asset, Statement of Financial Position [Extensible Enumeration] | Total assets | Total assets
Fund Portfolio | Fund IV | Interest Rate Caps | Other Assets |  |
Derivatives, Fair Value [Line Items] |  |
Aggregate Notional Amount | $ 76,338 |
Fund Portfolio | Fund IV | Interest Rate Caps | Minimum | Other Assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Effective Date | 2021-07 |
Derivative Maturity Date | 2023-07 |
Strike Rate | 3.00% |
Fund Portfolio | Fund IV | Interest Rate Caps | Maximum | Other Assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Effective Date | 2022-12 |
Derivative Maturity Date | 2023-12 |
Strike Rate | 3.50% |
Fund Portfolio | Fund V |  |
Derivatives, Fair Value [Line Items] |  |
Aggregate Notional Amount | $ 342,124 |
Fair value, derivatives, net | 8,875 | $ 11,585
Fund Portfolio | Fund V | Interest Rate Swaps |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Asset | $ 8,490 | $ 11,585
Derivative Asset, Statement of Financial Position [Extensible Enumeration] | Total assets | Total assets
Fund Portfolio | Fund V | Interest Rate Swaps | Other Assets |  |
Derivatives, Fair Value [Line Items] |  |
Aggregate Notional Amount | $ 301,459 |
Fund Portfolio | Fund V | Interest Rate Swaps | Minimum | Other Assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Effective Date | 2019-11 |
Derivative Maturity Date | 2023-06 |
Strike Rate | 1.14% |
Fund Portfolio | Fund V | Interest Rate Swaps | Maximum | Other Assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Effective Date | 2023-01 |
Derivative Maturity Date | 2027-12 |
Strike Rate | 3.36% |
Fund Portfolio | Fund V | Interest Rate Caps |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Asset | $ 385 | $ 0
Derivative Asset, Statement of Financial Position [Extensible Enumeration] | Total assets | Total assets
Fund Portfolio | Fund V | Interest Rate Caps | Other Assets |  |
Derivatives, Fair Value [Line Items] |  |
Aggregate Notional Amount | $ 40,665 |
Derivative Effective Date | 2023-01 |
Derivative Maturity Date | 2024-01 |
Fund Portfolio | Fund V | Interest Rate Caps | Minimum | Other Assets |  |
Derivatives, Fair Value [Line Items] |  |
Strike Rate | 3.64% |
Fund Portfolio | Fund V | Interest Rate Caps | Maximum | Other Assets |  |
Derivatives, Fair Value [Line Items] |  |
Strike Rate | 3.64% |

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