Agreements and Transactions with Related Parties - Due from Affiliates (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Due from affiliates
Reimbursable costs	$ 4,824	$ 3,129
Deferred acquisition fees receivable, including accrued interest	2,580	4,450
Accounts receivable	2,461	1,118
Asset management fees receivable	973	1,267
Current acquisition fees receivable	236	131
Short-term loans to affiliates, including accrued interest	0	47,721
Due from affiliates	$ 11,074	$ 57,816

For an unclassified balance sheet, amount of receivables arising from transactions with related parties.

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For an unclassified balance sheet, amount of receivables due from an entity that is affiliated with the reporting entity by means of direct or indirect ownership.

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Amounts due from parties associated with the reporting entity as evidenced by a written promise to pay, due within 1 year (or 1 business cycle).

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Unpaid revenue in the period for (1) performance (incentive) fees based on the investment results achieved for management of certain institutional accounts and hedge funds, (2) schedule-based fees earned for management of mutual funds and closed-end funds, based either on average daily net assets or on a combination of the average daily net assets and gross income, and (3) other investment management and advisory fees.

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The current amount of fees due from affiliates for structuring and negotiating investments on their behalf.

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The deferred amount of fees due from affiliates for structuring and negotiating investments on their behalf.

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The amount of reimbursable costs due from affiliates as of the balance sheet date.

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