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Consolidated Statements of Shareholders’ Equity and Redeemable Noncontrolling Interest (unaudited) - USD ($)
Total
Common Stock
Deferred Equity Compensation
Retained Earnings
Beginning balance (shares) at Dec. 31, 2023   2,823,076    
Beginning Balance at Dec. 31, 2023 $ 160,316,808 $ 22,164,410 $ (15,392,418) $ 153,544,816
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Issuance of restricted stock grants (shares)   86,279    
Issuance of restricted stock grants   $ 13,309,354 (13,309,354)  
Amortization of restricted stock grants 8,971,076   8,971,076  
Issuance of common stock related to employee stock purchase plan (in shares)   2,408    
Issuance of common shares related to employee stock purchase plan 370,612 $ 370,612    
Shares withheld related to employee tax withholding (in shares)   (29,282)    
Shares withheld related to employee tax withholding (4,583,042) $ (4,583,042)    
Forfeiture of restricted stock grants (shares)   (7,125)    
Forfeiture of restricted stock grants   $ (1,209,481) 1,209,481  
Repurchase of common stock (shares)   (142,425)    
Repurchase of common stock (21,895,539)     (21,895,539)
Cash dividends paid (12,473,236)     (12,473,236)
Net income 35,786,366     35,786,366
Ending balance (shares) at Sep. 30, 2024   2,732,931    
Ending Balance at Sep. 30, 2024 166,493,045 $ 30,051,853 (18,521,215) 154,962,407
Beginning balance (shares) at Jun. 30, 2024   2,751,331    
Beginning Balance at Jun. 30, 2024 156,536,315 $ 29,441,464 (20,686,099) 147,780,950
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Issuance of restricted stock grants (shares)   9,223    
Issuance of restricted stock grants   $ 1,490,529 (1,490,529)  
Amortization of restricted stock grants 2,748,648   2,748,648  
Issuance of common stock related to employee stock purchase plan (in shares)   433    
Issuance of common shares related to employee stock purchase plan 69,976 $ 69,976    
Shares withheld related to employee tax withholding (in shares)   (308)    
Shares withheld related to employee tax withholding (43,351) $ (43,351)    
Forfeiture of restricted stock grants (shares)   (5,372)    
Forfeiture of restricted stock grants   $ (906,765) 906,765  
Repurchase of common stock (shares)   (22,376)    
Repurchase of common stock (3,370,153)     (3,370,153)
Cash dividends paid (4,092,983)     (4,092,983)
Net income 14,644,593     14,644,593
Ending balance (shares) at Sep. 30, 2024   2,732,931    
Ending Balance at Sep. 30, 2024 $ 166,493,045 $ 30,051,853 (18,521,215) 154,962,407
Beginning balance (shares) at Dec. 31, 2024 2,670,469 2,670,469    
Beginning Balance at Dec. 31, 2024 $ 162,316,128 $ 28,478,515 (15,833,657) 149,671,270
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Issuance of restricted stock grants (shares)   190,082    
Issuance of restricted stock grants   $ 27,928,035 (27,928,035)  
Amortization of restricted stock grants 9,831,562   9,831,562  
Issuance of common stock related to employee stock purchase plan (in shares)   1,877    
Issuance of common shares related to employee stock purchase plan 268,114 $ 268,114    
Shares withheld related to employee tax withholding (in shares)   (28,781)    
Shares withheld related to employee tax withholding (4,126,593) $ (4,126,593)    
Forfeiture of restricted stock grants (shares)   (7,583)    
Forfeiture of restricted stock grants   $ (1,167,590) 1,167,590  
Repurchase of common stock (shares)   (102,904)    
Repurchase of common stock (14,521,137)     (14,521,137)
Cash dividends paid (12,306,569)     (12,306,569)
Net income $ 39,483,451     39,483,451
Ending balance (shares) at Sep. 30, 2025 2,723,160 2,723,160    
Ending Balance at Sep. 30, 2025 $ 180,944,956 $ 51,380,481 (32,762,540) 162,327,015
Beginning balance attributable to redeemable noncontrolling Interests at Dec. 31, 2024 246,008      
Increase (Decrease) in Temporary Equity [Roll Forward]        
Net Income Attributable to Redeemable Noncontrolling Interest 613,260      
Net deconsolidations of Company sponsored investments (23,529,068)      
Net subscriptions of consolidated funds 22,687,340      
Ending balance attributable to redeemable noncontrolling Interests at Sep. 30, 2025 17,540      
Beginning balance (shares) at Jun. 30, 2025   2,729,994    
Beginning Balance at Jun. 30, 2025 171,583,391 $ 49,809,544 (33,691,426) 155,465,273
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Issuance of restricted stock grants (shares)   22,071    
Issuance of restricted stock grants   $ 3,090,161 (3,090,161)  
Amortization of restricted stock grants 3,048,787   3,048,787  
Issuance of common stock related to employee stock purchase plan (in shares)   79    
Issuance of common shares related to employee stock purchase plan 11,060 $ 11,060    
Shares withheld related to employee tax withholding (in shares)   (3,854)    
Shares withheld related to employee tax withholding (560,024) $ (560,024)    
Forfeiture of restricted stock grants (shares)   (6,259)    
Forfeiture of restricted stock grants   $ (970,260) 970,260  
Repurchase of common stock (shares)   (18,871)    
Repurchase of common stock (2,615,863)     (2,615,863)
Cash dividends paid (4,073,006)     (4,073,006)
Net income $ 13,550,611     13,550,611
Ending balance (shares) at Sep. 30, 2025 2,723,160 2,723,160    
Ending Balance at Sep. 30, 2025 $ 180,944,956 $ 51,380,481 $ (32,762,540) $ 162,327,015
Beginning balance attributable to redeemable noncontrolling Interests at Jun. 30, 2025 23,529,068      
Increase (Decrease) in Temporary Equity [Roll Forward]        
Net Income Attributable to Redeemable Noncontrolling Interest 14,822      
Net deconsolidations of Company sponsored investments (23,529,068)      
Net subscriptions of consolidated funds 2,718      
Ending balance attributable to redeemable noncontrolling Interests at Sep. 30, 2025 $ 17,540