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Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2020

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method

The computation of basic and diluted earnings per share under the two-class method for the three months ended March 31, 2020 and 2019 were as follows:

			For the Three Months Ended March 31,
Basic and Diluted Earnings Per Share			2020						2019
Numerator:
Net income attributable to APAM			$	34,825					$	31,539
Less: Allocation to participating securities			6,835						7,733
Net income available to common stockholders			$	27,990					$	23,806
Denominator:
Weighted average shares outstanding			53,265,479						50,145,684
Earnings per share			$	0.53					$	0.47

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following table summarizes the weighted-average shares outstanding that are excluded from the calculation of diluted earnings per share because their effect would have been anti-dilutive:

			For the Three Months Ended March 31,
Anti-Dilutive Weighted Average Shares Outstanding			2020						2019
Holdings limited partnership units			20,069,152						22,584,238
Unvested restricted share-based awards			5,177,625						4,875,738
Total			25,246,777						27,459,976

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- Definition

Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities.

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Tabular disclosure of the effect of income (loss) on basic earnings per share.

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