Shareholder Report, Line Graph (Details) - USD ($) |
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| AGF U.S. Market Neutral Anti-Beta Fund | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Accumulated Value | $ 10,000 | $ 10,315 | $ 10,475 | $ 10,950 | $ 10,418 | $ 10,346 | $ 10,708 | $ 11,670 | $ 11,702 | $ 11,438 | $ 11,067 | $ 11,098 | $ 12,049 | $ 11,329 | $ 11,061 | $ 10,890 | $ 11,077 | $ 10,042 | $ 10,203 | $ 9,980 | $ 9,990 | $ 10,223 | $ 10,389 | $ 10,668 | $ 10,343 | $ 10,333 | $ 10,384 | $ 9,981 | $ 10,017 | $ 9,924 | $ 9,919 | $ 9,699 | $ 9,673 | $ 9,965 | $ 10,026 | $ 9,968 | $ 10,366 | $ 10,286 | $ 10,419 | $ 10,472 | $ 10,960 | $ 10,987 | $ 11,412 | $ 11,011 | $ 10,901 | $ 11,168 | $ 11,028 | $ 11,781 | $ 11,333 | $ 11,551 | $ 12,571 | $ 12,280 | $ 12,233 | $ 11,885 | $ 11,606 | $ 12,252 | $ 12,339 | $ 13,415 | $ 12,990 | $ 13,141 | $ 12,698 | $ 13,026 | $ 12,419 | $ 12,361 | $ 12,010 | $ 10,266 | $ 10,008 | $ 10,152 | $ 9,038 | $ 8,984 | $ 8,874 | $ 8,703 | $ 8,847 | $ 8,983 | $ 8,970 | $ 8,949 | $ 8,761 | $ 8,934 | $ 9,277 | $ 9,760 | $ 9,385 | $ 9,607 | $ 10,376 | $ 10,615 | $ 11,380 | $ 10,474 | $ 10,322 | $ 10,657 | $ 10,867 | $ 10,788 | $ 11,213 | $ 10,467 | $ 10,430 | $ 10,769 | $ 11,107 | $ 10,472 | $ 9,933 | $ 9,425 | $ 9,949 | $ 10,472 | $ 11,181 | $ 10,636 | $ 9,548 | $ 10,346 | $ 10,199 | $ 10,183 | $ 10,660 | $ 10,846 | $ 11,003 | $ 10,902 | $ 11,290 | $ 11,059 | $ 11,121 | $ 10,565 | $ 10,788 | $ 10,596 | $ 11,306 | $ 12,091 | $ 11,748 | $ 11,189 | $ 10,317 |
| S&P 500 Index | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Accumulated Value | 10,000 | 10,210 | 9,594 | 9,356 | 10,145 | 10,176 | 10,015 | 9,518 | 9,505 | 10,150 | 10,189 | 10,372 | 10,399 | 10,783 | 10,798 | 10,800 | 10,603 | 10,996 | 11,213 | 11,426 | 11,879 | 11,893 | 12,015 | 12,184 | 12,260 | 12,512 | 12,551 | 12,810 | 13,109 | 13,511 | 13,661 | 14,443 | 13,911 | 13,557 | 13,609 | 13,937 | 14,023 | 14,544 | 15,018 | 15,104 | 14,072 | 14,358 | 13,062 | 14,109 | 14,562 | 14,845 | 15,446 | 14,464 | 15,483 | 15,706 | 15,454 | 15,743 | 16,084 | 16,668 | 17,171 | 17,164 | 15,751 | 13,806 | 15,575 | 16,317 | 16,642 | 17,580 | 18,844 | 18,128 | 17,646 | 19,576 | 20,329 | 20,124 | 20,679 | 21,584 | 22,736 | 22,895 | 23,430 | 23,986 | 24,715 | 23,566 | 25,217 | 25,042 | 26,165 | 24,811 | 24,068 | 24,961 | 22,785 | 22,826 | 20,942 | 22,873 | 21,940 | 19,920 | 21,533 | 22,736 | 21,426 | 22,772 | 22,217 | 23,032 | 23,392 | 23,493 | 25,046 | 25,850 | 25,439 | 24,226 | 23,717 | 25,882 | 27,058 | 27,513 | 28,982 | 29,915 | 28,693 | 30,115 | 31,196 | 31,576 | 32,342 | 33,032 | 32,733 | 34,654 | 33,828 | 34,770 | 34,317 | 32,383 | 32,163 | 34,188 | 35,926 |
| Dow Jones U.S. Thematic Market Neutral Low Beta Index | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Account Value [Line Items] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Accumulated Value | $ 10,000 | $ 10,378 | $ 10,534 | $ 11,067 | $ 10,603 | $ 10,618 | $ 11,013 | $ 12,039 | $ 12,136 | $ 11,850 | $ 11,475 | $ 11,543 | $ 12,541 | $ 11,790 | $ 11,530 | $ 11,331 | $ 11,564 | $ 10,487 | $ 10,667 | $ 10,440 | $ 10,453 | $ 10,692 | $ 10,875 | $ 11,182 | $ 10,831 | $ 10,826 | $ 10,893 | $ 10,474 | $ 10,516 | $ 10,418 | $ 10,429 | $ 10,199 | $ 10,175 | $ 10,492 | $ 10,555 | $ 10,492 | $ 10,911 | $ 10,824 | $ 10,959 | $ 11,016 | $ 11,542 | $ 11,565 | $ 12,010 | $ 11,580 | $ 11,460 | $ 11,739 | $ 11,575 | $ 12,361 | $ 11,880 | $ 12,094 | $ 13,163 | $ 12,851 | $ 12,788 | $ 12,443 | $ 12,146 | $ 12,818 | $ 12,906 | $ 14,035 | $ 13,592 | $ 13,771 | $ 13,297 | $ 13,713 | $ 13,102 | $ 13,053 | $ 12,701 | $ 10,814 | $ 10,555 | $ 10,711 | $ 9,541 | $ 9,495 | $ 9,385 | $ 9,207 | $ 9,368 | $ 9,516 | $ 9,509 | $ 9,496 | $ 9,299 | $ 9,479 | $ 9,856 | $ 10,366 | $ 9,972 | $ 10,220 | $ 11,042 | $ 11,306 | $ 12,136 | $ 11,138 | $ 10,984 | $ 11,365 | $ 11,614 | $ 11,570 | $ 12,110 | $ 10,867 | $ 11,027 | $ 11,364 | $ 11,714 | $ 10,898 | $ 10,281 | $ 9,508 | $ 10,160 | $ 10,692 | $ 11,420 | $ 10,890 | $ 9,726 | $ 10,579 | $ 10,388 | $ 10,383 | $ 10,864 | $ 10,946 | $ 11,102 | $ 10,940 | $ 11,321 | $ 11,064 | $ 11,123 | $ 10,522 | $ 10,703 | $ 10,502 | $ 11,182 | $ 11,924 | $ 11,558 | $ 10,996 | $ 10,107 |