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Organization and Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022 | Sep. 30, 2022 | Dec. 31, 2021
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Accounting Policies [Abstract] |  |  |  |
Cash and cash equivalents | $ 271,168 | $ 332,035 |  |
Cash collateral posted to counterparties | 145,268 | 117,842 |  |
Total cash including cash posted to counterparties shown on consolidated statement of cash flows | $ 416,436 | $ 449,877 | $ 506,553 | $ 421,307
Share-based incentive plan, number of shares authorized for issuance | 2,300,000 |  |  |
Number of shares available for grant (in shares) | 863,259 |  |  |

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