Subsequent Events	3 Months Ended
Mar. 31, 2018
Subsequent Events [Abstract]
Subsequent Events	21. Subsequent Events In April 2018, the Company announced that it entered into an agreement to acquire Tennenbaum Capital Partners, LLC, a leading manager focused on middle market performing credit and special situation credit opportunities. The transaction is expected to be completed in the third quarter of 2018, subject to customary regulatory approvals and closing conditions. This transaction is not expected to be material to the Company’s condensed consolidated statements of financial condition or results of operations. In May 2018, the Company announced that it entered into an agreement to sell its minority interest in DSP BlackRock Investment Managers Pvt. Ltd. to The DSP Group. The Company currently has a 40% stake in the joint venture, which manages and markets a range of co-branded mutual funds in India. This transaction is expected to complete, subject to regulatory approval, once naming transfers and investment scheme unitholder communications are finalized. This transaction is not expected to be material to the Company’s condensed consolidated statements of financial condition or results of operations. The Company conducted a review for additional subsequent events and determined that no subsequent events had occurred that would require accrual or additional disclosures.

21. Subsequent Events

In April 2018, the Company announced that it entered into an agreement to acquire Tennenbaum Capital Partners, LLC, a leading manager focused on middle market performing credit and special situation credit opportunities. The transaction is expected to be completed in the third quarter of 2018, subject to customary regulatory approvals and closing conditions. This transaction is not expected to be material to the Company’s condensed consolidated statements of financial condition or results of operations.

In May 2018, the Company announced that it entered into an agreement to sell its minority interest in DSP BlackRock Investment Managers Pvt. Ltd. to The DSP Group. The Company currently has a 40% stake in the joint venture, which manages and markets a range of co-branded mutual funds in India. This transaction is expected to complete, subject to regulatory approval, once naming transfers and investment scheme unitholder communications are finalized. This transaction is not expected to be material to the Company’s condensed consolidated statements of financial condition or results of operations.

The Company conducted a review for additional subsequent events and determined that no subsequent events had occurred that would require accrual or additional disclosures.