Transactions with Related Parties (Narrative) (Details) - Affiliated Entity - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Poseidon
Related Party Transaction [Line Items]
Related party transaction, revenues	$ 3,238	$ 3,786
Due from related parties	1,300		$ 2,400
Related party transaction, costs and expenses	255	240
Poseidon \| Asset Management Arrangement
Related Party Transaction [Line Items]
Related party transaction, revenues	2,400	2,400
ANSAC
Related Party Transaction [Line Items]
Related party transaction, revenues	88,182	67,955
Due from related parties	68,758		$ 64,799
Related party transaction, costs and expenses	$ 845	$ 178

For an unclassified balance sheet, amounts due from related parties including affiliates, employees, joint ventures, officers and stockholders, immediate families thereof, and pension funds.

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+ Details

- Definition

Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

+ References

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+ Details