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Commitments and Contingencies - Narrative (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Unrecorded Unconditional Purchase Obligation |  |  |
Operating leases, rent expense |  |  | $ 4.3
Operating Lease, Expense | $ 9.3 | $ 8.9 |
Assets | 30,671.2 | 32,287.8 |
Construction Contracts |  |  |
Unrecorded Unconditional Purchase Obligation |  |  |
Commitments under construction contracts | $ 4.5 |  |
Related Entity |  |  |
Unrecorded Unconditional Purchase Obligation |  |  |
Ownership percentage in partnership | 50.00% |  |
Mortgage loans originated for sale |  |  |
Unrecorded Unconditional Purchase Obligation |  |  |
Guarantor Obligations, Current Carrying Value | $ 0.8 | $ 0.9 |

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