v3.26.1
Shareholder Report, Line Graph (Details) - USD ($)
 12 Months Ended 24 Months Ended 36 Months Ended 48 Months Ended 60 Months Ended 72 Months Ended 84 Months Ended 96 Months Ended 108 Months Ended 120 Months Ended
Jun. 30, 2016
Jun. 30, 2026
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2026
C000106056 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Mid Cap Growth Fund (Class R6 Shares)                    
Accumulated Value $ 5,000,000   $ 6,005,574 $ 7,143,701 $ 8,284,192 $ 10,016,285 $ 14,451,393 $ 10,339,102 $ 12,409,882 $ 14,132,250 $ 16,338,539 $ 18,387,047
C000106055 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Mid Cap Growth Fund (Class R5 Shares)                    
Accumulated Value 10,000   12,006 14,274 16,542 19,992 28,833 20,608 24,720 28,126 32,481 36,523
C000173560 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Mid Cap Growth Fund (Class R4 Shares)                    
Accumulated Value 10,000   11,983 14,220 16,447 19,840 28,548 20,374 24,394 27,709 31,958 35,872
C000173559 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Mid Cap Growth Fund (Class R3 Shares)                    
Accumulated Value 10,000   11,951 14,148 16,324 19,639 28,195 20,069 23,968 27,160 31,239 34,989
C000077259 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Mid Cap Growth Fund (Class R2 Shares)                    
Accumulated Value 10,000   11,930 14,089 16,216 19,459 27,867 19,785 23,573 26,645 30,575 34,155
C000010157 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Mid Cap Growth Fund (Class I Shares)                    
Accumulated Value 1,000,000   1,198,864 1,423,702 1,647,642 1,988,701 2,863,520 2,044,389 2,450,058 2,784,719 3,212,683 3,609,170
C000010160 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Mid Cap Growth Fund (Class C Shares)                    
Accumulated Value 10,000   11,887 14,003 16,073 19,243 27,488 19,479 23,162 26,126 30,075 33,701
C000010158 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Mid Cap Growth Fund (Class A Shares)                    
Accumulated Value 9,474   11,324 13,406 15,466 18,606 26,710 19,021 22,736 25,773 29,663 33,240
C000010744 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Equity Income Fund (Class A Shares)                    
Accumulated Value 9,473   10,831 11,907 13,238 12,396 17,331 16,968 18,176 20,051 22,691 27,576
C000010746 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Equity Income Fund (Class C Shares)                    
Accumulated Value 10,000   11,374 12,437 13,763 12,824 17,849 17,381 18,528 20,330 23,014 27,968
C000010743 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Equity Income Fund (Class I Shares)                    
Accumulated Value 1,000,000   1,145,698 1,262,788 1,407,339 1,321,986 1,852,949 1,818,373 1,952,646 2,159,632 2,450,337 2,984,935
C000098140 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Equity Income Fund (Class R2 Shares)                    
Accumulated Value 10,000   11,401 12,502 13,865 12,954 18,066 17,640 18,846 20,739 23,408 28,377
C000173561 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Equity Income Fund (Class R3 Shares)                    
Accumulated Value 10,000   11,433 12,565 13,972 13,092 18,302 17,917 19,194 21,175 23,956 29,119
C000173562 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Equity Income Fund (Class R4 Shares)                    
Accumulated Value 10,000   11,460 12,626 14,072 13,218 18,530 18,176 19,528 21,591 24,498 29,847
C000098141 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Equity Income Fund (Class R5 Shares)                    
Accumulated Value 10,000   11,484 12,677 14,156 13,309 18,687 18,367 19,751 21,876 24,855 30,339
C000109963 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Equity Income Fund (Class R6 Shares)                    
Accumulated Value 5,000,000   5,747,700 6,350,462 7,094,979 6,681,272 9,387,934 9,235,900 9,942,892 11,024,690 12,539,819 15,313,743
C000173239 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Equity Index Fund (Class R6 Shares)                    
Accumulated Value 5,000,000   5,889,394 6,734,970 7,430,523 7,989,076 11,246,306 10,046,562 12,006,220 14,948,483 17,208,745 21,041,338
C000010747 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Equity Index Fund (Class I Shares)                    
Accumulated Value 1,000,000   1,176,230 1,342,990 1,479,491 1,588,234 2,232,074 1,990,747 2,375,312 2,952,807 3,394,279 4,144,005
C000010750 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Equity Index Fund (Class C Shares)                    
Accumulated Value 10,000   11,657 13,195 14,413 15,339 21,375 18,907 22,365 27,570 31,613 38,495
C000010748 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Equity Index Fund (Class A Shares)                    
Accumulated Value 9,475   11,116 12,662 13,912 14,898 20,886 18,584 22,118 27,428 31,450 38,296
C000010793 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan SMID Cap Equity Fund (Class A Shares)                    
Accumulated Value 9,475   10,793 11,999 12,090 11,538 16,336 14,212 15,566 16,509 17,640 19,517
C000010795 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan SMID Cap Equity Fund (Class C Shares)                    
Accumulated Value 10,000   11,320 12,523 12,560 11,923 16,797 14,538 15,850 16,726 17,867 19,768
C000010792 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan SMID Cap Equity Fund (Class I Shares)                    
Accumulated Value 1,000,000   1,142,292 1,273,284 1,286,040 1,230,095 1,746,100 1,523,288 1,671,956 1,777,324 1,904,668 2,112,319
C000173563 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan SMID Cap Equity Fund (Class R3 Shares)                    
Accumulated Value 10,000   11,387 12,664 12,761 12,176 17,237 15,000 16,422 17,415 18,613 20,588
C000162349 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan SMID Cap Equity Fund (Class R6 Shares)                    
Accumulated Value 5,000,000   5,725,785 6,397,217 6,478,829 6,210,559 8,837,185 7,727,503 8,506,887 9,069,684 9,740,726 10,827,089
C000093777 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Large Cap Growth Fund (Class R6 Shares)                    
Accumulated Value 5,000,000   6,399,932 8,263,278 9,439,319 12,341,589 17,488,347 13,940,427 17,561,442 23,880,550 27,463,949 31,737,415
C000076449 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Large Cap Growth Fund (Class R5 Shares)                    
Accumulated Value 10,000   12,788 16,492 18,825 24,584 34,804 27,716 34,879 47,387 54,442 62,851
C000173566 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Large Cap Growth Fund (Class R4 Shares)                    
Accumulated Value 10,000   12,765 16,434 18,727 24,421 34,525 27,453 34,495 46,790 53,680 61,873
C000173565 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Large Cap Growth Fund (Class R3 Shares)                    
Accumulated Value 10,000   12,734 16,355 18,591 24,186 34,105 27,051 33,904 45,875 52,499 60,363
C000070644 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Large Cap Growth Fund (Class R2 Shares)                    
Accumulated Value 10,000   12,714 16,288 18,468 23,965 33,708 26,668 33,342 45,004 51,376 58,923
C000010797 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Large Cap Growth Fund (Class I Shares)                    
Accumulated Value 1,000,000   1,276,498 1,643,719 1,873,053 2,442,504 3,453,075 2,745,473 3,449,854 4,680,083 5,368,772 6,188,278
C000010800 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Large Cap Growth Fund (Class C Shares)                    
Accumulated Value 10,000   12,679 16,209 18,334 23,727 33,294 26,278 32,770 44,122 50,485 58,042
C000010798 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Large Cap Growth Fund (Class A Shares)                    
Accumulated Value 9,476   12,079 15,519 17,640 22,948 32,356 25,665 32,169 43,530 49,814 57,270
C000010803 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Large Cap Value Fund (Class A Shares)                    
Accumulated Value 9,478   12,176 12,970 13,109 11,973 19,380 18,369 20,506 23,199 26,175 31,745
C000010805 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Large Cap Value Fund (Class C Shares)                    
Accumulated Value 10,000   12,772 13,540 13,608 12,378 19,934 18,789 20,864 23,490 26,506 32,147
C000010802 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Large Cap Value Fund (Class I Shares)                    
Accumulated Value 1,000,000   1,286,087 1,373,642 1,390,755 1,274,634 2,067,686 1,963,538 2,196,539 2,492,024 2,817,324 3,427,086
C000070645 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Large Cap Value Fund (Class R2 Shares)                    
Accumulated Value 10,000   12,803 13,607 13,711 12,501 20,176 19,065 21,229 23,952 26,958 32,618
C000205210 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Large Cap Value Fund (Class R3 Shares)                    
Accumulated Value 10,000   12,847 13,684 13,822 12,634 20,446 19,371 21,616 24,459 27,595 33,468
C000205209 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Large Cap Value Fund (Class R4 Shares)                    
Accumulated Value 10,000   12,861 13,736 13,908 12,748 20,672 19,649 21,977 24,933 28,189 34,281
C000033523 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Large Cap Value Fund (Class R5 Shares)                    
Accumulated Value 10,000   12,882 13,780 13,978 12,823 20,834 19,825 22,205 25,224 28,575 34,801
C000093778 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Large Cap Value Fund (Class R6 Shares)                    
Accumulated Value 5,000,000   6,445,149 6,898,811 7,003,676 6,433,344 10,465,615 9,965,163 11,176,682 12,709,169 14,407,396 17,566,968
C000093779 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Small Cap Growth Fund (Class R6 Shares)                    
Accumulated Value 5,000,000   6,749,744 9,161,369 9,673,972 11,376,883 16,980,231 10,695,882 12,214,770 13,174,369 13,577,761 18,977,741
C000173240 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Small Cap Growth Fund (Class R5 Shares)                    
Accumulated Value 10,000   13,493 18,293 19,299 22,674 33,802 21,265 24,272 26,149 26,920 37,596
C000190883 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Small Cap Growth Fund (Class R4 Shares)                    
Accumulated Value 10,000   13,461 18,226 19,202 22,527 33,541 21,072 24,005 25,821 26,558 37,026
C000190882 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Small Cap Growth Fund (Class R3 Shares)                    
Accumulated Value 10,000   13,436 18,148 19,070 22,298 33,123 20,757 23,587 25,314 25,959 36,115
C000070647 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Small Cap Growth Fund (Class R2 Shares)                    
Accumulated Value 10,000   13,396 18,042 18,916 22,077 32,699 20,437 23,178 24,798 25,387 35,205
C000010812 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Small Cap Growth Fund (Class L Shares)                    
Accumulated Value 3,000,000   4,047,756 5,488,032 5,790,055 6,801,223 10,138,492 6,378,035 7,280,969 7,840,755 8,076,611 11,276,036
C000010811 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Small Cap Growth Fund (Class I Shares)                    
Accumulated Value 1,000,000   1,346,068 1,823,540 1,920,278 2,252,754 3,353,936 2,106,917 2,401,353 2,582,170 2,655,787 3,701,267
C000010815 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Small Cap Growth Fund (Class C Shares)                    
Accumulated Value 10,000   13,367 17,972 18,780 21,863 32,307 20,148 22,793 24,324 24,953 34,707
C000010813 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Small Cap Growth Fund (Class A Shares)                    
Accumulated Value 9,478   12,734 17,200 18,073 21,143 31,403 19,674 22,362 23,995 24,608 34,227
C000010894 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Small Cap Value Fund (Class A Shares)                    
Accumulated Value 9,473   11,275 12,561 11,338 9,436 16,465 13,968 15,054 16,775 17,385 24,672
C000010896 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Small Cap Value Fund (Class C Shares)                    
Accumulated Value 10,000   11,827 13,110 11,775 9,756 16,936 14,303 15,339 17,005 17,629 25,018
C000010893 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Small Cap Value Fund (Class I Shares)                    
Accumulated Value 1,000,000   1,192,954 1,332,524 1,205,571 1,006,446 1,760,635 1,497,911 1,618,221 1,807,555 1,878,086 2,672,496
C000070648 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Small Cap Value Fund (Class R2 Shares)                    
Accumulated Value 10,000   11,868 13,183 11,872 9,862 17,166 14,528 15,616 17,346 17,920 25,370
C000173568 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Small Cap Value Fund (Class R3 Shares)                    
Accumulated Value 10,000   11,899 13,258 11,965 9,963 17,384 14,752 15,892 17,702 18,334 26,016
C000173567 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Small Cap Value Fund (Class R4 Shares)                    
Accumulated Value 10,000   11,924 13,314 12,048 10,058 17,594 14,972 16,170 18,052 18,744 26,663
C000033524 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Small Cap Value Fund (Class R5 Shares)                    
Accumulated Value 10,000   11,943 13,357 12,108 10,117 17,722 15,099 16,331 18,262 18,991 27,057
C000010897 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Small Cap Value Fund (Class R6 Shares)                    
Accumulated Value 5,000,000   5,979,424 6,694,922 6,072,982 5,081,131 8,910,085 7,598,003 8,227,230 9,207,877 9,584,842 13,669,379
C000191459 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Investor Growth Fund (Class R6 Shares)                    
Accumulated Value 5,000,000   5,972,973 6,654,868 7,011,154 7,370,951 10,235,496 8,841,283 10,188,079 12,046,396 13,588,028 16,098,915
C000010902 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Investor Growth Fund (Class I Shares)                    
Accumulated Value 1,000,000   1,194,595 1,329,920 1,398,874 1,467,670 2,033,437 1,752,331 2,014,223 2,375,734 2,673,218 3,159,365
C000010905 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Investor Growth Fund (Class C Shares)                    
Accumulated Value 10,000   11,847 13,080 13,644 14,203 19,531 16,701 19,052 22,306 25,043 29,526
C000010903 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Investor Growth Fund (Class A Shares)                    
Accumulated Value 9,550   11,382 12,637 13,262 13,877 19,185 16,493 18,915 22,255 24,987 29,461
C000010907 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Investor Growth & Income Fund (Class A Shares)                    
Accumulated Value 9,552   10,968 11,919 12,568 13,215 17,111 14,955 16,631 19,045 21,150 24,205
C000010909 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Investor Growth & Income Fund (Class C Shares)                    
Accumulated Value 10,000   11,417 12,341 12,931 13,528 17,420 15,145 16,753 19,096 21,205 24,268
C000010906 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Investor Growth & Income Fund (Class I Shares)                    
Accumulated Value 1,000,000   1,150,713 1,254,543 1,325,089 1,397,265 1,812,740 1,587,964 1,770,150 2,032,660 2,262,802 2,593,967
C000191460 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Investor Growth & Income Fund (Class R6 Shares)                    
Accumulated Value 5,000,000   5,753,563 6,277,428 6,644,668 7,018,206 9,131,683 8,019,913 8,962,723 10,317,317 11,508,248 13,231,978
C000191469 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Investor Balanced Fund (Class R6 Shares)                    
Accumulated Value 5,000,000   5,567,917 5,941,681 6,295,961 6,639,795 8,168,922 7,243,532 7,903,235 8,882,720 9,837,527 11,055,744
C000010910 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Investor Balanced Fund (Class I Shares)                    
Accumulated Value 1,000,000   1,113,583 1,187,320 1,255,081 1,321,156 1,621,320 1,434,186 1,560,899 1,750,937 1,933,000 2,168,046
C000010913 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Investor Balanced Fund (Class C Shares)                    
Accumulated Value 10,000   11,040 11,670 12,241 12,790 15,576 13,680 14,772 16,445 18,103 20,249
C000010911 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Investor Balanced Fund (Class A Shares)                    
Accumulated Value 9,547   10,606 11,274 11,897 12,488 15,286 13,492 14,641 16,377 18,041 20,179
C000010915 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Investor Conservative Growth Fund (Class A Shares)                    
Accumulated Value 9,552   10,213 10,598 11,212 11,787 13,454 12,029 12,614 13,658 14,862 16,149
C000010917 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Investor Conservative Growth Fund (Class C Shares)                    
Accumulated Value 10,000   10,640 10,969 11,544 12,074 13,709 12,198 12,731 13,708 14,915 16,207
C000010914 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Investor Conservative Growth Fund (Class I Shares)                    
Accumulated Value 1,000,000   1,072,149 1,115,894 1,183,144 1,246,444 1,426,107 1,278,208 1,344,364 1,459,533 1,592,226 1,733,256
C000191474 [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   JPMorgan Investor Conservative Growth Fund (Class R6 Shares)                    
Accumulated Value 5,000,000   5,360,745 5,582,205 5,927,688 6,257,996 7,177,618 6,454,136 6,799,927 7,401,577 8,095,224 8,834,887
Russell 3000 Index [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   Russell 3000 Index                    
Accumulated Value 10,000   11,851 13,602 14,824 15,792 22,767 19,610 23,327 28,722 33,115 40,673
Russell 1000 Index [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   Russell 1000 Index                    
Accumulated Value 10,000   11,803 13,519 14,873 15,986 22,871 19,891 23,742 29,411 34,018 41,510
Russell 1000 C000010743 Index [Member]                        
Account Value [Line Items]                        
Accumulated Value 1,000,000   1,180,297 1,351,879 1,487,326 1,598,589 2,287,141 1,989,056 2,374,206 2,941,105 3,401,813 4,151,019
Russell 1000 C000109963 Index [Member]                        
Account Value [Line Items]                        
Accumulated Value 5,000,000   5,901,487 6,759,394 7,436,631 7,992,944 11,435,706 9,945,280 11,871,028 14,705,526 17,009,066 20,755,095
Standard And Poor s 500 C000010747 Index [Member]                        
Account Value [Line Items]                        
Accumulated Value 1,000,000   1,178,961 1,348,426 1,488,897 1,600,640 2,253,607 2,014,369 2,409,065 3,000,638 3,455,645 4,227,117
Standard And Poor s 500 C000173239 Index [Member]                        
Account Value [Line Items]                        
Accumulated Value 5,000,000   5,894,805 6,742,130 7,444,487 8,003,198 11,268,036 10,071,845 12,045,326 15,003,192 17,278,224 21,135,586
Standard & Poor's 500 Index [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   S&P 500 Index                    
Accumulated Value 10,000   11,790 13,484 14,889 16,006 22,536 20,144 24,091 30,006 34,556 42,271
Russell 2500 Index [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   Russell 2500 Index                    
Accumulated Value 10,000   11,984 13,931 14,177 13,511 21,319 16,843 19,130 21,132 23,226 31,755
Russell 2500 C000010792 Index [Member]                        
Account Value [Line Items]                        
Accumulated Value 1,000,000   1,198,413 1,393,069 1,417,689 1,351,087 2,131,895 1,684,257 1,912,982 2,113,248 2,322,591 3,175,498
Russell 2500 C000162349 Index [Member]                        
Account Value [Line Items]                        
Accumulated Value 5,000,000   5,992,067 6,965,346 7,088,443 6,755,434 10,659,475 8,421,286 9,564,908 10,566,239 11,612,957 15,877,492
Russell 3000 C000010812 Index [Member]                        
Account Value [Line Items]                        
Accumulated Value 3,000,000   3,555,287 4,080,691 4,447,238 4,737,621 6,829,966 5,883,079 6,998,137 8,616,460 9,934,415 12,201,799
Bloomberg U S Intermediate Aggregate Index [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   Bloomberg US Intermediate Aggregate Index                    
Accumulated Value 10,000   9,984 9,952 10,621 11,323 11,328 10,433 10,370 10,738 11,456 11,887
MSCI EAFE Index net total return [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   MSCI EAFE Index (net total return)                    
Accumulated Value 10,000   12,027 12,850 12,988 12,322 16,308 13,410 15,927 17,765 20,914 25,146
Lipper Mixed Asset Target Allocation Moderate Funds C000191469 Index [Member]                        
Account Value [Line Items]                        
Accumulated Value 5,000,000   5,538,137 5,874,709 6,242,364 6,452,885 8,021,372 7,097,180 7,708,963 8,652,196 9,579,946 10,890,805
MSCI EAFE C000191469 Index net total return [Member]                        
Account Value [Line Items]                        
Accumulated Value 5,000,000   6,013,379 6,424,816 6,494,237 6,160,935 8,154,007 6,705,061 7,963,712 8,882,482 10,457,065 12,572,817
Russell 3000 C000191469 Index [Member]                        
Account Value [Line Items]                        
Accumulated Value 5,000,000   5,925,478 6,801,152 7,412,064 7,896,036 11,383,277 9,805,132 11,663,562 14,360,766 16,557,359 20,336,331
Bloomberg US Intermediate Aggregate C000191469 Index [Member]                        
Account Value [Line Items]                        
Accumulated Value 5,000,000   4,991,990 4,975,816 5,310,625 5,661,390 5,664,242 5,216,371 5,184,873 5,368,866 5,728,093 5,943,676
Bloomberg US Aggregate C000191469 Index [Member]                        
Account Value [Line Items]                        
Accumulated Value 5,000,000   4,984,262 4,964,479 5,355,145 5,823,143 5,803,756 5,206,425 5,157,603 5,293,282 5,614,914 5,827,772
Lipper Mixed Asset Target Allocation Moderate Funds C000010910 Index [Member]                        
Account Value [Line Items]                        
Accumulated Value 1,000,000   1,107,627 1,174,942 1,248,473 1,290,577 1,604,274 1,419,436 1,541,793 1,730,439 1,915,989 2,178,161
MSCI EAFE C000010910 Index net total return [Member]                        
Account Value [Line Items]                        
Accumulated Value 1,000,000   1,202,676 1,284,963 1,298,847 1,232,187 1,630,801 1,341,012 1,592,742 1,776,496 2,091,413 2,514,563
Russell 3000 C000010910 Index [Member]                        
Account Value [Line Items]                        
Accumulated Value 1,000,000   1,185,096 1,360,230 1,482,413 1,579,207 2,276,655 1,961,026 2,332,712 2,872,153 3,311,472 4,067,266
Bloomberg U S Intermediate Aggregate C000010910 Index [Member]                        
Account Value [Line Items]                        
Accumulated Value 1,000,000   998,398 995,163 1,062,125 1,132,278 1,132,848 1,043,274 1,036,975 1,073,773 1,145,619 1,188,735
Bloomberg U S Aggregate C000010910 Index [Member]                        
Account Value [Line Items]                        
Accumulated Value 1,000,000   996,852 992,896 1,071,029 1,164,629 1,160,751 1,041,285 1,031,521 1,058,656 1,122,983 1,165,554
Lipper Mixed Asset Target Allocation Moderate Funds Index [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   Lipper Mixed-Asset Target Allocation Moderate Funds Index                    
Accumulated Value 10,000   11,076 11,749 12,485 12,906 16,043 14,194 15,418 17,304 19,160 21,782
Bloomberg U S Aggregate Index [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   Bloomberg US Aggregate Index                    
Accumulated Value 10,000   9,969 9,929 10,710 11,646 11,608 10,413 10,315 10,587 11,230 11,656
Lipper Mixed Asset Target Allocation Conservative Funds Index [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   Lipper Mixed-Asset Target Allocation Conservative Funds Index                    
Accumulated Value 10,000   10,620 11,013 11,616 11,942 13,796 12,288 12,837 13,918 15,128 16,709
Lipper Mixed Asset Target Allocation Conservative Funds C000010914 Index [Member]                        
Account Value [Line Items]                        
Accumulated Value 1,000,000   1,062,006 1,101,309 1,161,569 1,194,250 1,379,580 1,228,789 1,283,742 1,391,795 1,512,840 1,670,864
Lipper Mixed Asset Target Allocation Conservative Funds C000191474 Index [Member]                        
Account Value [Line Items]                        
Accumulated Value 5,000,000   5,310,032 5,506,544 5,807,847 5,971,249 6,897,902 6,143,945 6,418,708 6,958,973 7,564,201 8,354,319
Russell Midcap Growth C000106056 Index [Member]                        
Account Value [Line Items]                        
Accumulated Value 5,000,000   5,852,323 6,936,269 7,903,164 8,844,530 12,715,904 8,955,262 11,026,783 12,686,556 16,047,231 17,037,653
Russell Midcap Growth C000010157 Index [Member]                        
Account Value [Line Items]                        
Accumulated Value 1,000,000   1,170,465 1,387,254 1,580,633 1,768,906 2,543,181 1,791,052 2,205,357 2,537,311 3,209,446 3,407,531
Russell Midcap Growth Index [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   Russell Midcap Growth Index                    
Accumulated Value 10,000   11,705 13,873 15,806 17,689 25,432 17,911 22,054 25,373 32,094 34,075
Russell 1000 Value Index [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   Russell 1000 Value Index                    
Accumulated Value 10,000   11,553 12,335 13,379 12,197 17,525 16,330 18,214 20,592 23,414 29,763
Russell 1000 Value C000010743 Index [Member]                        
Account Value [Line Items]                        
Accumulated Value 1,000,000   1,155,307 1,233,520 1,337,904 1,219,683 1,752,483 1,632,968 1,821,410 2,059,227 2,341,381 2,976,337
Russell 1000 Value C000109963 Index [Member]                        
Account Value [Line Items]                        
Accumulated Value 5,000,000   5,776,533 6,167,602 6,689,518 6,098,413 8,762,414 8,164,842 9,107,051 10,296,135 11,706,905 14,881,684
Russell 1000 Growth C000093777 Index [Member]                        
Account Value [Line Items]                        
Accumulated Value 5,000,000   6,021,157 7,376,610 8,229,178 10,145,213 14,456,671 11,742,663 14,925,694 19,923,136 23,353,268 27,488,193
Russell 1000 Growth C000010797 Index [Member]                        
Account Value [Line Items]                        
Accumulated Value 1,000,000   1,204,231 1,475,322 1,645,836 2,029,043 2,891,334 2,348,533 2,985,139 3,984,627 4,670,654 5,497,639
Russell 1000 Growth Index [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   Russell 1000 Growth Index                    
Accumulated Value 10,000   12,042 14,753 16,458 20,290 28,913 23,485 29,851 39,846 46,707 54,976
Russell 2000 Growth C000093779 Index [Member]                        
Account Value [Line Items]                        
Accumulated Value 5,000,000   6,220,089 7,579,940 7,542,790 7,805,165 11,813,899 7,864,414 9,321,826 10,173,528 11,163,195 15,488,019
Russell 2000 Growth C000010811 Index [Member]                        
Account Value [Line Items]                        
Accumulated Value 1,000,000   1,244,018 1,515,988 1,508,558 1,561,033 2,362,780 1,572,883 1,864,365 2,034,706 2,232,639 3,097,604
Russell 2000 Growth C000010812 Index [Member]                        
Account Value [Line Items]                        
Accumulated Value 3,000,000   3,732,053 4,547,964 4,525,674 4,683,099 7,088,339 4,718,648 5,593,096 6,104,117 6,697,917 9,292,812
Russell 2000 Growth Index [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   Russell 2000 Growth Index                    
Accumulated Value 10,000   12,440 15,160 15,086 15,610 23,628 15,729 18,644 20,347 22,326 30,976
Russell 2000 Value Index [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   Russell 2000 Value Index                    
Accumulated Value 10,000   12,486 14,121 13,241 10,927 18,934 15,851 16,803 18,634 19,666 28,123
Russell 2000 Value C000010893 Index [Member]                        
Account Value [Line Items]                        
Accumulated Value 1,000,000   1,248,570 1,412,124 1,324,072 1,092,663 1,893,364 1,585,115 1,680,342 1,863,427 1,966,575 2,812,319
Russell 2000 Value C000010897 Index [Member]                        
Account Value [Line Items]                        
Accumulated Value 5,000,000   6,242,850 7,060,619 6,620,359 5,463,317 9,466,819 7,925,573 8,401,709 9,317,137 9,832,874 14,061,594
Lipper Mixed Asset Target Allocation Aggressive Growth Funds C000010902 [Member]                        
Account Value [Line Items]                        
Accumulated Value 1,000,000   1,167,142 1,295,860 1,350,488 1,370,642 1,918,341 1,603,025 1,835,489 2,141,640 2,424,865 2,977,568
Lipper Mixed Asset Target Allocation Aggressive Growth Funds C000191459 [Member]                        
Account Value [Line Items]                        
Accumulated Value 5,000,000   5,835,710 6,479,298 6,752,439 6,853,212 9,591,703 8,015,123 9,177,446 10,708,200 12,124,325 14,887,842
Lipper Mixed Asset Target Allocation Aggressive Growth Funds [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   Lipper Mixed-Asset Target Allocation Aggressive Growth Funds                    
Accumulated Value 10,000   11,671 12,959 13,505 13,706 19,183 16,030 18,355 21,416 24,249 29,776
Lipper Mixed Asset Target Allocation Growth Funds Index [Member]                        
Account Value [Line Items]                        
Line Graph and Table Measure Name   Lipper Mixed-Asset Target Allocation Growth Funds Index                    
Accumulated Value 10,000   11,367 12,309 13,020 13,739 17,853 15,511 17,176 19,709 22,051 25,876
Lipper Mixed Asset Target Allocation Growth Funds C000191460 Index [Member]                        
Account Value [Line Items]                        
Accumulated Value 5,000,000   5,683,472 6,154,539 6,510,177 6,869,393 8,926,268 7,755,745 8,588,227 9,854,280 11,025,631 12,937,814
Lipper Mixed Asset Target Allocation Growth Funds C000010906 Index [Member]                        
Account Value [Line Items]                        
Accumulated Value $ 1,000,000   $ 1,136,694 $ 1,230,908 $ 1,302,035 $ 1,373,879 $ 1,785,254 $ 1,551,149 $ 1,717,645 $ 1,970,856 $ 2,205,126 $ 2,587,563