Quarterly report pursuant to Section 13 or 15(d)

Investment Funds And Other Variable Interest Entities - Narrative (Details)

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Investment Funds And Other Variable Interest Entities - Narrative (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2020
USD ($)
fund
Mar. 31, 2019
USD ($)
Dec. 31, 2019
USD ($)
Variable Interest Entity [Line Items]      
Number of investment funds | fund 5    
Net asset position of equity method joint ventures     $ 1,292
Expense recognized from equity method joint ventures $ 53 $ 0