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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, 2017 |  | 3,470,428 |  |
Beginning Balance at Dec. 31, 2017 | $ 172,443,820 | $ 118,209,111 | $ (19,134,963) | $ 73,369,672
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Issuance of restricted stock grants (shares) |  | 61,650 |  |
Issuance of restricted stock grants |  | $ 11,917,937 | (11,917,937) |
Amortization of restricted stock grants | 3,016,235 |  | 3,016,235 |
Issuance of stock grants (in shares) |  | 20,153 |  |
Issuance of stock grants | 4,109,197 | $ 4,109,197 |  |
Issuance of common stock related to 401k plan match (in shares) |  | 5,242 |  |
Issuance of common stock related to 401k plan match | 1,067,125 | $ 1,067,125 |  |
Shares withheld related to employee tax withholding (in shares) |  | (4,439) |  |
Shares withheld related to employee tax withholding | (917,163) | $ (917,163) |  |
Forfeiture of restricted stock grants (shares) |  | (20,400) |  |
Forfeiture of restricted stock grants |  | $ (4,016,796) | 4,016,796 |
Net income | 27,359,828 |  |  | 27,359,828
Ending balance (shares) at Jun. 30, 2018 |  | 3,532,634 |  |
Ending Balance at Jun. 30, 2018 | 207,079,042 | $ 130,369,411 | (24,019,869) | 100,729,500
Beginning balance attributable to redeemable noncontrolling Interests at Dec. 31, 2017 | 20,076,806 |  |  |
Increase (Decrease) in Temporary Equity [Roll Forward] |  |  |  |
Net Income Attributable to Redeemable Noncontrolling Interest | 480,323 |  |  |
Net subscriptions of consolidated funds | 13,776,032 |  |  |
Net consolidations (deconsolidations) of Company sponsored investments | 16,444,640 |  |  |
Ending balance attributable to redeemable noncontrolling Interests at Jun. 30, 2018 | 50,777,801 |  |  |
Beginning balance (shares) at Mar. 31, 2018 |  | 3,518,957 |  |
Beginning Balance at Mar. 31, 2018 | 190,892,615 | $ 128,441,231 | (23,907,748) | 86,359,132
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Issuance of restricted stock grants (shares) |  | 29,600 |  |
Issuance of restricted stock grants |  | $ 5,162,829 | (5,162,829) |
Amortization of restricted stock grants | 1,637,312 |  | 1,637,312 |
Issuance of common stock related to 401k plan match (in shares) |  | 2,989 |  |
Issuance of common stock related to 401k plan match | 594,346 | $ 594,346 |  |
Shares withheld related to employee tax withholding (in shares) |  | 2,012 |  |
Shares withheld related to employee tax withholding | (415,599) | $ (415,599) |  |
Forfeiture of restricted stock grants (shares) |  | (16,900) |  |
Forfeiture of restricted stock grants |  | $ (3,413,396) | 3,413,396 |
Net income | 14,370,368 |  |  | 14,370,368
Ending balance (shares) at Jun. 30, 2018 |  | 3,532,634 |  |
Ending Balance at Jun. 30, 2018 | 207,079,042 | $ 130,369,411 | (24,019,869) | 100,729,500
Beginning balance attributable to redeemable noncontrolling Interests at Mar. 31, 2018 | 41,660,307 |  |  |
Increase (Decrease) in Temporary Equity [Roll Forward] |  |  |  |
Net Income Attributable to Redeemable Noncontrolling Interest | 527,655 |  |  |
Net subscriptions of consolidated funds | 8,589,839 |  |  |
Ending balance attributable to redeemable noncontrolling Interests at Jun. 30, 2018 | $ 50,777,801 |  |  |
Beginning balance (shares) at Dec. 31, 2018 | 3,470,428 | 3,499,285 |  |
Beginning Balance at Dec. 31, 2018 | $ 195,575,943 | $ 124,933,060 | (22,008,054) | 92,650,937
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Issuance of restricted stock grants (shares) |  | 29,050 |  |
Issuance of restricted stock grants |  | $ 4,025,821 | (4,025,821) |
Amortization of restricted stock grants | 3,375,716 |  | 3,375,716 |
Issuance of stock grants (in shares) |  | 24,048 |  |
Issuance of stock grants | 3,655,296 | $ 3,655,296 |  |
Issuance of common stock related to 401k plan match (in shares) |  | 8,476 |  |
Issuance of common stock related to 401k plan match | 1,221,615 | $ 1,221,615 |  |
Shares withheld related to employee tax withholding (in shares) |  | (4,300) |  |
Shares withheld related to employee tax withholding | (602,000) | $ (602,000) |  |
Forfeiture of restricted stock grants (shares) |  | (4,500) |  |
Forfeiture of restricted stock grants |  | $ (738,457) | 738,457 |
Repurchase of common stock (shares) |  | (108,595) |  |
Repurchase of common stock | (15,659,626) | $ (15,659,626) |  |
Net income | $ 30,127,794 |  |  | 30,127,794
Ending balance (shares) at Jun. 30, 2019 | 3,443,464 | 3,443,464 |  |
Ending Balance at Jun. 30, 2019 | $ 217,694,738 | $ 116,835,709 | (21,919,702) | 122,778,731
Beginning balance attributable to redeemable noncontrolling Interests at Dec. 31, 2018 | 62,679,687 |  |  |
Increase (Decrease) in Temporary Equity [Roll Forward] |  |  |  |
Net Income Attributable to Redeemable Noncontrolling Interest | 3,585,622 |  |  |
Net subscriptions of consolidated funds | 5,151,829 |  |  |
Net consolidations (deconsolidations) of Company sponsored investments | (37,340,788) |  |  |
Ending balance attributable to redeemable noncontrolling Interests at Jun. 30, 2019 | 34,076,350 |  |  |
Beginning balance (shares) at Mar. 31, 2019 |  | 3,494,599 |  |
Beginning Balance at Mar. 31, 2019 | 210,410,850 | $ 124,484,045 | (23,656,774) | 109,583,579
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Issuance of restricted stock grants (shares) |  | 4,175 |  |
Issuance of restricted stock grants |  | $ 166,521 | (166,521) |
Amortization of restricted stock grants | 1,853,743 |  | 1,853,743 |
Issuance of common stock related to 401k plan match (in shares) |  | 4,190 |  |
Issuance of common stock related to 401k plan match | 589,565 | $ 589,565 |  |
Shares withheld related to employee tax withholding (in shares) |  | 4,300 |  |
Shares withheld related to employee tax withholding | (602,000) | $ (602,000) |  |
Forfeiture of restricted stock grants (shares) |  | (250) |  |
Forfeiture of restricted stock grants |  | $ (49,850) | 49,850 |
Repurchase of common stock (shares) |  | (54,950) |  |
Repurchase of common stock | (7,752,572) | $ (7,752,572) |  |
Net income | $ 13,195,152 |  |  | 13,195,152
Ending balance (shares) at Jun. 30, 2019 | 3,443,464 | 3,443,464 |  |
Ending Balance at Jun. 30, 2019 | $ 217,694,738 | $ 116,835,709 | $ (21,919,702) | $ 122,778,731
Beginning balance attributable to redeemable noncontrolling Interests at Mar. 31, 2019 | 36,249,454 |  |  |
Increase (Decrease) in Temporary Equity [Roll Forward] |  |  |  |
Net Income Attributable to Redeemable Noncontrolling Interest | 962,417 |  |  |
Net subscriptions of consolidated funds | 6,880,706 |  |  |
Net consolidations (deconsolidations) of Company sponsored investments | (10,016,227) |  |  |
Ending balance attributable to redeemable noncontrolling Interests at Jun. 30, 2019 | $ 34,076,350 |  |  |

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