XML 84 R68.htm IDEA: XBRL DOCUMENT v3.22.4
Earnings Per Share - Computation of basic and diluted net income (loss) per share (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Earnings Per Share [Abstract]      
Net income attributable to APAM $ 206,755 $ 336,516 $ 212,617
Less allocation to participating securities 22,801 31,430 23,268
Net income (loss) available to common stockholders $ 183,954 $ 305,086 $ 189,349
Basic weighted average shares outstanding 62,475,960 59,866,790 55,633,529
Dilutive effect of nonparticipating equity awards 22,549 14,249 4,393
Diluted weighted average number of common shares outstanding 62,498,509 59,881,039 55,637,922
Earnings per share - Basic $ 2.94 $ 5.10 $ 3.40
Earnings per share - Diluted $ 2.94 $ 5.09 $ 3.40