Nature of Business and Organization (Tables)

3 Months Ended

Mar. 31, 2018

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Schedule of Capital Units

The following partnership units were exchanged for APAM Class A common stock during the three months ended March 31, 2018:

	Total Common Units Exchanged	Class A Common Units	Class B Common Units	Class E Common Units
Common units exchanged on March 1, 2018	958,288	499,222	449,066	10,000