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Consolidated Statements of Shareholders' Equity - USD ($) | Total | Common Shares | Deferred Equity Compensation | Retained Earnings
--- | --- | --- | --- | ---
Beginning Balance (in shares) at Dec. 31, 2021 |  | 3,171,536 |  |
Beginning Balance at Dec. 31, 2021 | $ 184,422,902 | $ 80,434,049 | $ (15,268,705) | $ 119,257,558
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Issuance of restricted stock grants (in shares) |  | 76,143 |  |
Issuance of restricted share grants |  | $ 13,436,439 | (13,436,439) |
Amortization of restricted share grants | 10,530,486 |  | 10,530,486 |
Issuance of stock grants (in shares) |  | 2,743 |  |
Common shares issued as incentive compensation | 487,870 | $ 487,870 |  |
Issuance of common stock related to 401k plan match (in shares) |  | 211 |  |
Issuance of common shares related to 401(k) plan match | 37,313 | $ 37,313 |  |
Issuance of common stock related to employee stock purchase plan (shares) |  | 3,392 |  |
Issuance of common shares related to employee stock purchase plan | 619,159 | $ 619,159 |  |
Shares withheld related to employee tax withholding (shares) |  | (19,302) |  |
Shares withheld related to employee tax withholding obligations | (3,436,678) | $ (3,436,678) |  |
Forfeiture of restricted stock grants (in shares) |  | (7,257) |  |
Forfeiture of restricted share grants |  | $ (1,163,514) | 1,163,514 |
Repurchases of common stock (in shares) |  | (217,009) |  |
Repurchases of common shares | (38,726,007) | $ (38,726,007) |  |
Cash dividend paid of $6.00 in 2016, $7.00 in 2017, and $8.00 in 2018 per share respectively | (30,696,907) |  |  | (30,696,907)
Net income attributable to parent | 40,434,107 |  |  | 40,434,107
Ending Balance (in shares) at Dec. 31, 2022 |  | 3,010,457 |  |
Ending Balance at Dec. 31, 2022 | 163,672,245 | $ 51,688,631 | (17,011,144) | 128,994,758
Beginning balances attributable to redeemable noncontrolling interests at Dec. 31, 2021 | 17,756,336 |  |  |
Increase (Decrease) in Temporary Equity [Roll Forward] |  |  |  |
Net (loss) income attributable to redeemable noncontrolling interests | (3,563,345) |  |  |
Net subscriptions of consolidated funds | 9,461,710 |  |  |
Net deconsolidations of Company sponsored investments | (9,528,503) |  |  |
Ending balances attributable to redeemable noncontrolling interests at Dec. 31, 2022 | 14,126,198 |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Issuance of restricted stock grants (in shares) |  | 59,578 |  |
Issuance of restricted share grants |  | $ 11,131,853 | (11,131,853) |
Amortization of restricted share grants | 11,603,239 |  | 11,603,239 |
Issuance of stock grants (in shares) |  | 0 |  |
Common shares issued as incentive compensation | 0 | $ 0 |  |
Issuance of common stock related to 401k plan match (in shares) |  | 99 |  |
Issuance of common shares related to 401(k) plan match | 16,344 | $ 16,344 |  |
Issuance of common stock related to employee stock purchase plan (shares) |  | 2,904 |  |
Issuance of common shares related to employee stock purchase plan | 482,097 | $ 482,097 |  |
Shares withheld related to employee tax withholding (shares) |  | (30,204) |  |
Shares withheld related to employee tax withholding obligations | (5,131,262) | $ (5,131,262) |  |
Forfeiture of restricted stock grants (in shares) |  | (7,120) |  |
Forfeiture of restricted share grants | 0 | $ (1,147,340) | 1,147,340 |
Repurchases of common stock (in shares) |  | (212,638) |  |
Repurchases of common shares | (34,875,913) | $ (34,875,913) |  |
Cash dividend paid of $6.00 in 2016, $7.00 in 2017, and $8.00 in 2018 per share respectively | (17,676,364) |  |  | (17,676,364)
Net income attributable to parent | $ 42,226,422 |  |  | 42,226,422
Ending Balance (in shares) at Dec. 31, 2023 | 2,823,076 | 2,823,076 |  |
Ending Balance at Dec. 31, 2023 | $ 160,316,808 | $ 22,164,410 | (15,392,418) | 153,544,816
Increase (Decrease) in Temporary Equity [Roll Forward] |  |  |  |
Net (loss) income attributable to redeemable noncontrolling interests | 859,126 |  |  |
Net subscriptions of consolidated funds | 10,350,857 |  |  |
Net deconsolidations of Company sponsored investments | (25,336,181) |  |  |
Ending balances attributable to redeemable noncontrolling interests at Dec. 31, 2023 | 0 |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Issuance of restricted stock grants (in shares) |  | 87,344 |  |
Issuance of restricted share grants |  | $ 13,474,536 | (13,474,536) |
Amortization of restricted share grants | 11,763,736 |  | 11,763,736 |
Issuance of stock grants (in shares) |  | 0 |  |
Common shares issued as incentive compensation | 0 | $ 0 |  |
Issuance of common stock related to employee stock purchase plan (shares) |  | 2,501 |  |
Issuance of common shares related to employee stock purchase plan | 385,037 | $ 385,037 |  |
Shares withheld related to employee tax withholding (shares) |  | (39,757) |  |
Shares withheld related to employee tax withholding obligations | (6,275,907) | $ (6,275,907) |  |
Forfeiture of restricted stock grants (in shares) |  | (7,471) |  |
Forfeiture of restricted share grants |  | $ (1,269,561) | 1,269,561 |
Repurchases of common stock (in shares) |  | (195,224) |  |
Repurchases of common shares | (30,520,599) |  |  | (30,520,599)
Cash dividend paid of $6.00 in 2016, $7.00 in 2017, and $8.00 in 2018 per share respectively | (16,530,676) |  |  | (16,530,676)
Net income attributable to parent | $ 43,177,729 |  |  | 43,177,729
Ending Balance (in shares) at Dec. 31, 2024 | 2,670,469 | 2,670,469 |  |
Ending Balance at Dec. 31, 2024 | $ 162,316,128 | $ 28,478,515 | $ (15,833,657) | $ 149,671,270
Increase (Decrease) in Temporary Equity [Roll Forward] |  |  |  |
Net (loss) income attributable to redeemable noncontrolling interests | 189 |  |  |
Net subscriptions of consolidated funds | 245,819 |  |  |
Ending balances attributable to redeemable noncontrolling interests at Dec. 31, 2024 | $ 246,008 |  |  |

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