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Revenues (Tables) | 3 Months Ended
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Mar. 31, 2023
Revenue from Contract with Customer [Abstract] |
Investment Management Fees by Source | The following table summarizes investment management fees by source:
| Three Months Ended March 31, |  |
(in thousands) | 2023 |  | 2022 |  |  |  |
Investment management fees |  |  |  |  |  |  |
Open-end funds | $ | 71,266 |  |  | $ | 97,377 |  |  |  |  |
Closed-end funds | 14,678 |  |  | 16,940 |  |  |  |  |
Retail separate accounts | 40,079 |  |  | 49,603 |  |  |  |  |
Institutional accounts | 38,455 |  |  | 42,897 |  |  |  |  |
Total investment management fees | $ | 164,478 |  |  | $ | 206,817 |  |  |  |  |

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130545-203045 + Details
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