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Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2021

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 for the six months ended June 30, 2021 and 2020 were as follows:

			For the Three Months Ended June 30,												For the Six Months Ended June 30,
Basic and Diluted Earnings Per Share			2021						2020						2021						2020
Numerator:
Net income attributable to APAM			$	88,207					$	46,151					$	165,485					$	80,976
Less: Allocation to participating securities			8,765						6,001						15,120						12,155
Net income available to common stockholders			$	79,442					$	40,150					$	150,365					$	68,821
Denominator:
Basic weighted average shares outstanding			59,821,804						55,884,366						59,292,982						54,574,923
Dilutive effect of nonparticipating share-based awards			16,570						—						15,777						—
Diluted weighted average shares outstanding			59,838,374						55,884,366						59,308,759						54,574,923
Earnings per share - Basic			$	1.33					$	0.72					$	2.54					$	1.26
Earnings per share - Diluted			$	1.33					$	0.72					$	2.54					$	1.26

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 June 30,												For the Six Months Ended June 30,
Anti-Dilutive Weighted Average Shares Outstanding			2021						2020						2021						2020
Holdings limited partnership units			14,255,722						17,692,268						14,659,748						18,880,709
Unvested restricted share-based awards			5,577,070						5,402,581						5,463,556						5,290,103
Total			19,832,792						23,094,849						20,123,304						24,170,812

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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.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
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- Definition

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

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
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-Publisher FASB
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