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Significant Accounting Policies - Narrative (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Variable Interest Entity [Line Items] |  |
Carrying value of investments in limited partnerships | $ 110,409 | $ 121,950
Variable Interest Entity, Not Primary Beneficiary | Land Banking Deposits |  |
Variable Interest Entity [Line Items] |  |
Maximum exposure to loss | 10,700 |
Carrying value of deposits with land banking entities | 10,700 |
Variable Interest Entity, Not Primary Beneficiary | Venture Capital Funds |  |
Variable Interest Entity [Line Items] |  |
Carrying value of investments in limited partnerships | 11,500 |
Maximum exposure to loss | $ 16,200 |

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