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Statements of Cash Flows (Parenthetical) - USD ($) | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
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Components of Cash and Cash Equivalents: |  |  |
Cash and Cash Equivalents | $ 259,491,732 | $ 550,936,887 | $ 522,819,857
Equity in Trading Accounts: |  |  |
Cash and Cash Equivalents | 100,299,442 | 101,001,407 | 44,966,225
Total Cash, Cash Equivalents and Equity in Trading Accounts | $ 359,791,174 | $ 651,938,294 | $ 567,786,082

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