Variable Interest Entities (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023
Variable Interest Entity [Line Items]
Assets	$ 7,858,263	$ 7,689,631	$ 7,699,736
Liabilities	6,192,330	6,115,616
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Assets	263,700	246,400
Liabilities	85,400	84,300
Variable Interest Entity, Primary Beneficiary \| Related Party
Variable Interest Entity [Line Items]
Obligations payable	$ 179,500	$ 161,800

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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+ Details

- Definition

Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.

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+ Details

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References + Details