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Variable Interest Entities (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Variable Interest Entity [Line Items] |  |  |
Document Period End Date | Dec. 31, 2022 |  |
Equity Method Investment Board Seats | 3 |  |
Contributions from noncontrolling interests | $ 0 | $ 0 | $ 400
Liabilities | 543,621 | 511,306 |
Assets | $ 1,655,675 | 1,421,867 |
Variable Interest Entity, Primary Beneficiary [Member] |  |  |
Variable Interest Entity [Line Items] |  |  |
Percentage of Voting Interest | 50.00% |  |
Percentage of Voting Interest | 51.00% |  |
Equity Method Investment Board Seats | 2 |  |
TPG |  |  |
Variable Interest Entity [Line Items] |  |  |
Liabilities | $ 164,100 | 146,600 |
Assets | 190,100 | $ 162,000 |
EJB River Holdings, LLC [Member] |  |  |
Variable Interest Entity [Line Items] |  |  |
Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount | $ 10,600 |  |

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