Commitments and Contingencies	3 Months Ended
Mar. 31, 2019
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	Commitments and Contingencies From time to time, the Company and its Affiliates may be subject to claims, legal proceedings and other contingencies in the ordinary course of their business activities. Any such matters are subject to various uncertainties, and it is possible that some of these matters may be resolved in a manner unfavorable to the Company or its Affiliates. The Company and its Affiliates establish accruals, as necessary, for matters for which the outcome is probable and the amount of the liability can be reasonably estimated. The Company has committed to co-invest in certain Affiliate sponsored investment products. As of March 31, 2019, these unfunded commitments were $146.6 million and may be called in future periods. As of March 31, 2019, the Company was contingently liable, upon the achievement by certain Affiliates of specified financial targets, to make payments of $152.5 million through 2020 related to the Company’s investments in these Affiliates. As of March 31, 2019, the Company expected to make no significant payments for contingent payment arrangements. Affiliate equity interests provide holders with a conditional right to put their interests to the Company over time. See Note 16 for additional information. In addition, in connection with one of the Company’s investments in a non-U.S. alternative Affiliate accounted for under the equity method, the Company entered into an arrangement with a minority owner of the Affiliate that gives such owner the right to elect to sell a portion of its 19% ownership interest in the Affiliate to the Company annually. The purchase price of these conditional purchases will be at fair market value. During the three months ended March 31, 2019, the Company was notified by the minority owner that it had elected to sell a 5% ownership interest in the Affiliate to the Company. The Company will pay $25.7 million for the interest, and the sale is expected to be completed in the second quarter of 2019. The Company will continue to account for the Affiliate under the equity method. The Company and certain of its consolidated Affiliates operate under regulatory authorities that require the maintenance of minimum financial or capital requirements. Management is not aware of any significant violations of such requirements.

Commitments and Contingencies

From time to time, the Company and its Affiliates may be subject to claims, legal proceedings and other contingencies in the ordinary course of their business activities. Any such matters are subject to various uncertainties, and it is possible that some of these matters may be resolved in a manner unfavorable to the Company or its Affiliates. The Company and its Affiliates establish accruals, as necessary, for matters for which the outcome is probable and the amount of the liability can be reasonably estimated.

The Company has committed to co-invest in certain Affiliate sponsored investment products. As of March 31, 2019, these unfunded commitments were $146.6 million and may be called in future periods.

As of March 31, 2019, the Company was contingently liable, upon the achievement by certain Affiliates of specified financial targets, to make payments of $152.5 million through 2020 related to the Company’s investments in these Affiliates. As of March 31, 2019, the Company expected to make no significant payments for contingent payment arrangements.

Affiliate equity interests provide holders with a conditional right to put their interests to the Company over time. See Note 16 for additional information. In addition, in connection with one of the Company’s investments in a non-U.S. alternative Affiliate accounted for under the equity method, the Company entered into an arrangement with a minority owner of the Affiliate that gives such owner the right to elect to sell a portion of its 19% ownership interest in the Affiliate to the Company annually. The purchase price of these conditional purchases will be at fair market value. During the three months ended March 31, 2019, the Company was notified by the minority owner that it had elected to sell a 5% ownership interest in the Affiliate to the Company. The Company will pay $25.7 million for the interest, and the sale is expected to be completed in the second quarter of 2019. The Company will continue to account for the Affiliate under the equity method.

The Company and certain of its consolidated Affiliates operate under regulatory authorities that require the maintenance of minimum financial or capital requirements. Management is not aware of any significant violations of such requirements.