v3.26.1
Shareholder Report
 5 Months Ended 8 Months Ended 12 Months Ended
Dec. 03, 2021
Nov. 29, 2017
Nov. 20, 2017
Feb. 25, 2025
Jun. 30, 2026
USD ($)
Holding
Shareholder Report [Line Items]          
Document Type         N-CSR
Amendment Flag         false
Registrant Name         FORUM FUNDS
Entity Central Index Key         0000315774
Entity Investment Company Type         N-1A
Document Period End Date         Jun. 30, 2026
C000012489          
Shareholder Report [Line Items]          
Fund Name         DF Dent Premier Growth Fund
Trading Symbol         DFDPX
Annual or Semi-Annual Statement [Text Block]         This annual shareholder report contains important information about the DF Dent Premier Growth Fund for the period of July 1, 2025, to June 30, 2026.
Shareholder Report Annual or Semi-Annual         Annual Shareholder Report
Additional Information [Text Block]        

This annual shareholder report contains important information about the DF Dent Premier Growth Fund for the period of July 1, 2025, to June 30, 2026. You can find additional information about the Fund at https://dfdent.com/literature/. You can also request this information by contacting us at (866) 233-3368.
Additional Information Phone Number         (866) 233-3368
Additional Information Website         https://dfdent.com/literature/
Expenses [Text Block]        

What were the Fund's costs for the last year? 

(based on a hypothetical $10,000 investment)

Table Summary
Fund Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
DF Dent Premier Growth Fund
$99
0.99%
Expenses Paid, Amount         $ 99
Expense Ratio, Percent         0.99%
Factors Affecting Performance [Text Block]        

How did the Fund perform in the last year? 

During the period from July 1, 2025, to June 30, 2026, the Fund underperformed its index, the S&P 500. The underperformance was influenced by stock selection in the Financials, Health Care, and Industrials sectors. Our initial underweight to Semiconductors and an overweight in Software were also a significant drag. A positive contribution came from stock selection in the Communication Services sector.

 

Overall, the Quality Factor drastically underperformed the Low Quality and Momentum Factors for almost the entire period. Benchmark returns continued to be dominated by extraordinary gains in a narrow group of technology and AI infrastructure companies.

Top Contributors

  • Thin up arrow

    Alphabet, Inc., Class C

  • Thin up arrow

    ASML Holding NV

  • Thin up arrow

    Monolithic Power Systems, Inc. 

  • Thin up arrow

    Datadog, Inc., Class A

  • Thin up arrow

    Perimeter Solutions, Inc. 

Top Detractors

  • Thin down arrow

    Veeva Systems, Inc., Class A

  • Thin down arrow

    ServiceNow, Inc.

  • Thin down arrow

    Guidewire Software, Inc.

  • Thin down arrow

    Microsoft Corp.

  • Thin down arrow

    CoStar Group, Inc. 
Performance Past Does Not Indicate Future [Text]         The Fund’s past performance is not a good predictor of how the Fund will perform in the future.
Line Graph [Table Text Block]        
Growth of 10K Chart
Table Summary
Date
DF Dent Premier Growth Fund
S&P 500® Index
6/30/16
$10,000
$10,000
9/30/16
$10,553
$10,385
12/31/16
$10,331
$10,782
3/31/17
$11,122
$11,436
6/30/17
$12,062
$11,790
9/30/17
$12,828
$12,318
12/31/17
$13,620
$13,136
3/31/18
$14,409
$13,037
6/30/18
$15,075
$13,484
9/30/18
$16,309
$14,524
12/31/18
$13,873
$12,560
3/31/19
$16,627
$14,275
6/30/19
$18,261
$14,889
9/30/19
$18,486
$15,142
12/31/19
$19,825
$16,515
3/31/20
$16,804
$13,279
6/30/20
$21,333
$16,006
9/30/20
$22,736
$17,436
12/31/20
$25,441
$19,554
3/31/21
$25,345
$20,761
6/30/21
$27,938
$22,536
9/30/21
$28,117
$22,667
12/31/21
$29,797
$25,167
3/31/22
$26,584
$24,009
6/30/22
$21,499
$20,144
9/30/22
$20,159
$19,160
12/31/22
$21,439
$20,609
3/31/23
$23,082
$22,154
6/30/23
$24,785
$24,091
9/30/23
$23,468
$23,302
12/31/23
$26,673
$26,026
3/31/24
$29,174
$28,774
6/30/24
$28,718
$30,006
9/30/24
$31,074
$31,773
12/31/24
$30,584
$32,538
3/31/25
$29,612
$31,148
6/30/25
$32,181
$34,556
9/30/25
$33,070
$37,364
12/31/25
$32,679
$38,356
3/31/26
$28,753
$36,694
6/30/26
$31,963
$42,271
Average Annual Return [Table Text Block]        
Table Summary
 
One Year
Five Year
Ten Year
DF Dent Premier Growth Fund
-0.68%
2.73%
12.32%
S&P 500® Index
22.32%
13.41%
15.51%
No Deduction of Taxes [Text Block]         The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund shares.
Performance Table Market Index Changed [Text Block]          
Updated Performance Information Location [Text Block]         Updated performance can be found at https://dfdent.com/literature/.
AssetsNet         $ 202,440,535
Holdings Count | Holding         37
Advisory Fees Paid, Amount         $ 1,788,409
InvestmentCompanyPortfolioTurnover         33.00%
Additional Fund Statistics [Text Block]        

Fund Statistics

Table Summary
Total Net Assets
$202,440,535
# of Portfolio Holdings
37
Portfolio Turnover Rate
33%
Investment Advisory Fees (Net of fees waived)
$1,788,409
Holdings [Text Block]        

Sector Weightings

(% total investments)*

Group By Sector Chart
Table Summary
Value
Value
Information Technology
33.8%
Financials
14.3%
Industrials
13.1%
Communication Services
11.3%
Health Care
8.9%
Materials
8.0%
Consumer Discretionary
7.4%
Real Estate
3.2%

* excluding cash equivalents
Largest Holdings [Text Block]        

Top Ten Holdings 

(% total investments)*

Table Summary
Amazon.com, Inc.
7.35%
Alphabet, Inc., Class C
7.20%
Visa, Inc., Class A
5.08%
Mastercard, Inc., Class A
4.58%
HEICO Corp., Class A
4.46%
Motorola Solutions, Inc.
4.12%
ASML Holding NV
3.97%
Microsoft Corp.
3.87%
Datadog, Inc., Class A
3.76%
Monolithic Power Systems, Inc.
3.72%

* excluding cash equivalents
C000102025          
Shareholder Report [Line Items]          
Fund Name         DF Dent Midcap Growth Fund
Class Name         Investor
Trading Symbol         DFDMX
Annual or Semi-Annual Statement [Text Block]         This annual shareholder report contains important information about the DF Dent Midcap Growth Fund for the period of July 1, 2025, to June 30, 2026.
Shareholder Report Annual or Semi-Annual         Annual Shareholder Report
Additional Information [Text Block]        

This annual shareholder report contains important information about the DF Dent Midcap Growth Fund for the period of July 1, 2025, to June 30, 2026. You can find additional information about the Fund at https://dfdent.com/literature/. You can also request this information by contacting us at (866) 233-3368.
Additional Information Phone Number         (866) 233-3368
Additional Information Website         https://dfdent.com/literature/
Expenses [Text Block]        

What were the Fund's costs for the last year? 

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Investor Shares
$91
0.95%
Expenses Paid, Amount         $ 91
Expense Ratio, Percent         0.95%
Factors Affecting Performance [Text Block]        

How did the Fund perform in the last year? 

During the period from July 1, 2025, to June 30, 2026, the Fund underperformed both the Russell 2500 Index and the Russell Midcap Growth Index.

 

 

The underperformance relative to the Russell 2500 Index was notable. It was driven primarily by stock selection in the Industrials, Financials (Insurance), and Information Technology (overweight software and underweight Artificial Intelligence (“AI”) sectors). This was offset somewhat by underweights in the Consumer Discretionary and Consumer Staples sectors, and an overweight in the Information Technology sector.

 

 

The underperformance relative to the Russell Midcap Growth Index was less severe. It was primarily driven by stock selection in the Industrials sector where we were underweight AI infrastructure names. Stock selection in the Information Technology, Materials, and Real Estate sectors also materially detracted from performance. On the positive side, overweights in the Materials sector and Semiconductors helped performance, as did an underweight of the Communication Services sector.

Top Contributors

  • Thin up arrow

    Monolithic Power Systems, Inc.

  • Thin up arrow

    Entegris, Inc. 

  • Thin up arrow

    West Pharmaceutical Services, Inc. 

  • Thin up arrow

    Bio-Techne Corp.

  • Thin up arrow

    Medpace Holdings, Inc.

Top Detractors

  • Thin down arrow

    CoStar Group, Inc.

  • Thin down arrow

    Goosehead Insurance, Inc., Class A

  • Thin down arrow

    Veeva Systems, Inc., Class A 

  • Thin down arrow

    Tyler Technologies, Inc.

  • Thin down arrow

    Kinsale Capital Group, Inc.
Performance Past Does Not Indicate Future [Text]         The Fund’s past performance is not a good predictor of how the Fund will perform in the future.
Line Graph [Table Text Block]        
Growth of 10K Chart
Table Summary
Date
Investor Shares
Russell 2500® Index
Russell Midcap Growth® Index
6/30/16
$10,000
$10,000
$10,000
9/30/16
$10,423
$10,656
$10,459
12/31/16
$10,139
$11,309
$10,507
3/31/17
$10,823
$11,734
$11,231
6/30/17
$11,774
$11,984
$11,705
9/30/17
$12,451
$12,552
$12,323
12/31/17
$13,304
$13,210
$13,162
3/31/18
$14,003
$13,178
$13,448
6/30/18
$14,506
$13,931
$13,873
9/30/18
$15,584
$14,585
$14,923
12/31/18
$13,280
$11,889
$12,537
3/31/19
$15,819
$13,769
$14,996
6/30/19
$17,447
$14,177
$15,806
9/30/19
$17,602
$13,995
$15,700
12/31/19
$18,610
$15,190
$16,983
3/31/20
$15,850
$10,675
$13,580
6/30/20
$20,088
$13,511
$17,689
9/30/20
$21,029
$14,306
$19,347
12/31/20
$24,271
$18,227
$23,027
3/31/21
$23,943
$20,219
$22,897
6/30/21
$25,980
$21,319
$25,432
9/30/21
$26,165
$20,747
$25,239
12/31/21
$27,257
$21,541
$25,958
3/31/22
$23,572
$20,288
$22,692
6/30/22
$18,973
$16,843
$17,911
9/30/22
$17,707
$16,368
$17,794
12/31/22
$18,938
$17,584
$19,022
3/31/23
$20,569
$18,180
$20,759
6/30/23
$21,807
$19,130
$22,054
9/30/23
$20,541
$18,215
$20,902
12/31/23
$23,277
$20,647
$23,942
3/31/24
$25,049
$22,076
$26,216
6/30/24
$23,446
$21,132
$25,373
9/30/24
$25,928
$22,981
$27,033
12/31/24
$25,872
$23,124
$29,234
3/31/25
$25,379
$21,390
$27,152
6/30/25
$26,624
$23,226
$32,095
9/30/25
$27,334
$25,316
$32,987
12/31/25
$25,998
$25,878
$31,765
3/31/26
$22,552
$26,404
$29,748
6/30/26
$24,114
$31,755
$34,075
Average Annual Return [Table Text Block]        
Table Summary
 
One Year
Five Year
Ten Year
Investor Shares
-9.43%
-1.48%
9.20%
Russell 2500® Index
36.72%
8.30%
12.25%
Russell Midcap Growth® Index
6.17%
6.03%
13.04%
No Deduction of Taxes [Text Block]         The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund shares.
Performance Table Market Index Changed [Text Block]         Effective June 1, 2024, the Fund changed its primary benchmark index from the Russell Midcap Growth Index to the Russell 2500 Index due to regulatory requirements. The Fund retained the Russell Midcap Growth Index as a secondary benchmark because the Russell Midcap Growth Index more closely reflects the market sectors in which the Fund invests.
Prior Market Index Comparison [Text Block]         The Fund retained the Russell Midcap Growth Index as a secondary benchmark
Updated Performance Information Location [Text Block]         Updated performance can be found at https://dfdent.com/literature/. 
AssetsNet         $ 221,406,592
Holdings Count | Holding         38
Advisory Fees Paid, Amount         $ 2,171,331
InvestmentCompanyPortfolioTurnover         47.00%
Additional Fund Statistics [Text Block]        

Fund Statistics

Table Summary
Total Net Assets
$221,406,592
# of Portfolio Holdings
38
Portfolio Turnover Rate
47%
Investment Advisory Fees (Net of fees waived)
$2,171,331
Holdings [Text Block]        

Sector Weightings

(% total investments)*

Group By Sector Chart
Table Summary
Value
Value
Information Technology
22.8%
Industrials
21.7%
Financials
18.7%
Health Care
16.2%
Materials
11.8%
Real Estate
6.1%
Consumer Discretionary
2.7%

* excluding cash equivalents
Largest Holdings [Text Block]        

Top Ten Holdings 

(% total investments)*

Table Summary
Ecolab, Inc.
5.57%
Vulcan Materials Co.
5.54%
HEICO Corp., Class A
5.00%
Bio-Techne Corp.
4.23%
TransDigm Group, Inc.
4.21%
Kinsale Capital Group, Inc.
4.12%
Veralto Corp.
4.11%
Veeva Systems, Inc., Class A
3.95%
CBRE Group, Inc., Class A
3.69%
Appfolio, Inc.
3.69%

* excluding cash equivalents
C000195205          
Shareholder Report [Line Items]          
Fund Name         DF Dent Midcap Growth Fund
Class Name         Institutional
Trading Symbol         DFMGX
Annual or Semi-Annual Statement [Text Block]         This annual shareholder report contains important information about the DF Dent Midcap Growth Fund for the period of July 1, 2025, to June 30, 2026.
Shareholder Report Annual or Semi-Annual         Annual Shareholder Report
Additional Information [Text Block]        

This annual shareholder report contains important information about the DF Dent Midcap Growth Fund for the period of July 1, 2025, to June 30, 2026. You can find additional information about the Fund at https://dfdent.com/literature/. You can also request this information by contacting us at (866) 233-3368.
Additional Information Phone Number         (866) 233-3368
Additional Information Website         https://dfdent.com/literature/
Expenses [Text Block]        

What were the Fund's costs for the last year? 

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Institutional Shares
$81
0.85%
Expenses Paid, Amount         $ 81
Expense Ratio, Percent         0.85%
Factors Affecting Performance [Text Block]        

How did the Fund perform in the last year? 

During the period from July 1, 2025, to June 30, 2026, the Fund underperformed both the Russell 2500 Index and the Russell Midcap Growth Index.

 

 

The underperformance relative to the Russell 2500 Index was notable. It was driven primarily by stock selection in the Industrials, Financials (Insurance), and Information Technology (overweight software and underweight Artificial Intelligence (“AI”) sectors). This was offset somewhat by underweights in the Consumer Discretionary and Consumer Staples sectors, and an overweight in the Information Technology sector.

 

 

The underperformance relative to the Russell Midcap Growth Index was less severe. It was primarily driven by stock selection in the Industrials sector where we were underweight AI infrastructure names. Stock selection in the Information Technology, Materials, and Real Estate sectors also materially detracted from performance. On the positive side, overweights in the Materials sector and Semiconductors helped performance, as did an underweight of the Communication Services sector.

Top Contributors

  • Thin up arrow

    Monolithic Power Systems, Inc.

  • Thin up arrow

    Entegris, Inc. 

  • Thin up arrow

    West Pharmaceutical Services, Inc. 

  • Thin up arrow

    Bio-Techne Corp.

  • Thin up arrow

    Medpace Holdings, Inc.

Top Detractors

  • Thin down arrow

    CoStar Group, Inc.

  • Thin down arrow

    Goosehead Insurance, Inc., Class A

  • Thin down arrow

    Veeva Systems, Inc., Class A 

  • Thin down arrow

    Tyler Technologies, Inc.

  • Thin down arrow

    Kinsale Capital Group, Inc.
Performance Past Does Not Indicate Future [Text]         The Fund’s past performance is not a good predictor of how the Fund will perform in the future.
Line Graph [Table Text Block]        
Growth of 10K Chart
Table Summary
Date
Institutional SharesFootnote Reference1
Russell 2500® Index
Russell Midcap Growth® Index
6/30/16
$500,000
$500,000
$500,000
9/30/16
$521,145
$532,814
$522,960
12/31/16
$506,952
$565,444
$525,345
3/31/17
$541,140
$586,683
$561,563
6/30/17
$588,677
$599,206
$585,234
9/30/17
$622,539
$627,618
$616,151
12/31/17
$665,220
$660,498
$658,087
3/31/18
$700,163
$658,919
$672,398
6/30/18
$725,635
$696,535
$693,628
9/30/18
$779,845
$729,247
$746,168
12/31/18
$664,628
$594,435
$626,825
3/31/19
$791,948
$688,460
$749,814
6/30/19
$874,013
$708,845
$790,318
9/30/19
$881,781
$699,755
$784,995
12/31/19
$932,812
$759,487
$849,158
3/31/20
$794,832
$533,753
$678,987
6/30/20
$1,007,423
$675,544
$884,455
9/30/20
$1,055,120
$715,283
$967,360
12/31/20
$1,217,936
$911,334
$1,151,343
3/31/21
$1,201,533
$1,010,932
$1,144,835
6/30/21
$1,303,711
$1,065,948
$1,271,593
9/30/21
$1,313,280
$1,037,362
$1,261,930
12/31/21
$1,367,896
$1,077,032
$1,297,889
3/31/22
$1,182,979
$1,014,382
$1,134,610
6/30/22
$952,360
$842,129
$895,528
9/30/22
$888,728
$818,401
$889,680
12/31/22
$950,602
$879,190
$951,081
3/31/23
$1,032,514
$908,997
$1,037,971
6/30/23
$1,094,739
$956,491
$1,102,681
9/30/23
$1,031,108
$910,751
$1,045,077
12/31/23
$1,168,917
$1,032,373
$1,197,095
3/31/24
$1,257,860
$1,103,808
$1,310,778
6/30/24
$1,177,706
$1,056,625
$1,268,658
9/30/24
$1,302,156
$1,149,065
$1,351,645
12/31/24
$1,299,343
$1,156,207
$1,461,690
3/31/25
$1,275,086
$1,069,476
$1,357,616
6/30/25
$1,338,014
$1,161,297
$1,604,726
9/30/25
$1,374,224
$1,265,813
$1,649,327
12/31/25
$1,307,077
$1,293,881
$1,588,229
3/31/26
$1,134,464
$1,320,219
$1,487,391
6/30/26
$1,213,213
$1,587,750
$1,703,769
Average Annual Return [Table Text Block]        
Table Summary
 
One Year
Five Year
Ten Year
Institutional SharesFootnote Reference1
-9.33%
-1.43%
9.27%
Russell 2500® Index
36.72%
8.30%
12.25%
Russell Midcap Growth® Index
6.17%
6.03%
13.04%
Performance Inception Date   Nov. 29, 2017      
No Deduction of Taxes [Text Block]         The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund shares.
Performance Table Market Index Changed [Text Block]         Effective June 1, 2024, the Fund changed its primary benchmark index from the Russell Midcap Growth Index to the Russell 2500 Index due to regulatory requirements. The Fund retained the Russell Midcap Growth Index as a secondary benchmark because the Russell Midcap Growth Index more closely reflects the market sectors in which the Fund invests.
Prior Market Index Comparison [Text Block]         The Fund retained the Russell Midcap Growth Index as a secondary benchmark
Updated Performance Information Location [Text Block]         Updated performance can be found at https://dfdent.com/literature/. 
AssetsNet         $ 221,406,592
Holdings Count | Holding         38
Advisory Fees Paid, Amount         $ 2,171,331
InvestmentCompanyPortfolioTurnover         47.00%
Additional Fund Statistics [Text Block]        

Fund Statistics

Table Summary
Total Net Assets
$221,406,592
# of Portfolio Holdings
38
Portfolio Turnover Rate
47%
Investment Advisory Fees (Net of fees waived)
$2,171,331
Holdings [Text Block]        

Sector Weightings

(% total investments)*

Group By Sector Chart
Table Summary
Value
Value
Information Technology
22.8%
Industrials
21.7%
Financials
18.7%
Health Care
16.2%
Materials
11.8%
Real Estate
6.1%
Consumer Discretionary
2.7%

* excluding cash equivalents
Largest Holdings [Text Block]        

Top Ten Holdings 

(% total investments)*

Table Summary
Ecolab, Inc.
5.57%
Vulcan Materials Co.
5.54%
HEICO Corp., Class A
5.00%
Bio-Techne Corp.
4.23%
TransDigm Group, Inc.
4.21%
Kinsale Capital Group, Inc.
4.12%
Veralto Corp.
4.11%
Veeva Systems, Inc., Class A
3.95%
CBRE Group, Inc., Class A
3.69%
Appfolio, Inc.
3.69%

* excluding cash equivalents
C000231957          
Shareholder Report [Line Items]          
Fund Name         DF Dent Midcap Growth Fund
Class Name         Institutional Plus
Trading Symbol         DFMLX
Annual or Semi-Annual Statement [Text Block]         This annual shareholder report contains important information about the DF Dent Midcap Growth Fund for the period of July 1, 2025, to June 30, 2026.
Shareholder Report Annual or Semi-Annual         Annual Shareholder Report
Additional Information [Text Block]        

This annual shareholder report contains important information about the DF Dent Midcap Growth Fund for the period of July 1, 2025, to June 30, 2026. You can find additional information about the Fund at https://dfdent.com/literature/. You can also request this information by contacting us at (866) 233-3368.
Additional Information Phone Number         (866) 233-3368
Additional Information Website         https://dfdent.com/literature/
Expenses [Text Block]        

What were the Fund's costs for the last year? 

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Institutional Plus Shares
$75
0.79%
Expenses Paid, Amount         $ 75
Expense Ratio, Percent         0.79%
Factors Affecting Performance [Text Block]        

How did the Fund perform in the last year? 

During the period from July 1, 2025, to June 30, 2026, the Fund underperformed both the Russell 2500 Index and the Russell Midcap Growth Index.

 

 

The underperformance relative to the Russell 2500 Index was notable. It was driven primarily by stock selection in the Industrials, Financials (Insurance), and Information Technology (overweight software and underweight Artificial Intelligence (“AI”) sectors). This was offset somewhat by underweights in the Consumer Discretionary and Consumer Staples sectors, and an overweight in the Information Technology sector.

 

 

The underperformance relative to the Russell Midcap Growth Index was less severe. It was primarily driven by stock selection in the Industrials sector where we were underweight AI infrastructure names. Stock selection in the Information Technology, Materials, and Real Estate sectors also materially detracted from performance. On the positive side, overweights in the Materials sector and Semiconductors helped performance, as did an underweight of the Communication Services sector.

Top Contributors

  • Thin up arrow

    Monolithic Power Systems, Inc.

  • Thin up arrow

    Entegris, Inc. 

  • Thin up arrow

    West Pharmaceutical Services, Inc. 

  • Thin up arrow

    Bio-Techne Corp.

  • Thin up arrow

    Medpace Holdings, Inc.

Top Detractors

  • Thin down arrow

    CoStar Group, Inc.

  • Thin down arrow

    Goosehead Insurance, Inc., Class A

  • Thin down arrow

    Veeva Systems, Inc., Class A 

  • Thin down arrow

    Tyler Technologies, Inc.

  • Thin down arrow

    Kinsale Capital Group, Inc.
Performance Past Does Not Indicate Future [Text]         The Fund’s past performance is not a good predictor of how the Fund will perform in the future.
Line Graph [Table Text Block]        
Growth of 10K Chart
Table Summary
Date
Institutional Plus SharesFootnote Reference1
Russell 2500® Index
Russell Midcap Growth® Index
6/30/16
$100,000,000
$100,000,000
$100,000,000
9/30/16
$104,229,018
$106,562,763
$104,591,972
12/31/16
$101,390,425
$113,088,819
$105,069,054
3/31/17
$108,227,929
$117,336,623
$112,312,616
6/30/17
$117,735,316
$119,841,136
$117,046,737
9/30/17
$124,507,702
$125,523,529
$123,230,221
12/31/17
$133,043,970
$132,099,531
$131,617,480
3/31/18
$140,032,534
$131,783,789
$134,479,530
6/30/18
$145,061,687
$139,307,016
$138,725,629
9/30/18
$155,838,445
$145,849,440
$149,233,510
12/31/18
$132,794,932
$118,887,050
$125,365,012
3/31/19
$158,192,132
$137,692,081
$149,962,883
6/30/19
$174,470,656
$141,768,985
$158,063,614
9/30/19
$176,024,208
$139,951,077
$156,999,029
12/31/19
$186,095,076
$151,897,340
$169,831,604
3/31/20
$158,497,674
$106,750,692
$135,797,405
6/30/20
$200,881,832
$135,108,798
$176,890,931
9/30/20
$210,285,391
$143,056,565
$193,471,967
12/31/20
$242,714,177
$182,266,819
$230,268,690
3/31/21
$239,433,332
$202,186,364
$228,967,097
6/30/21
$259,801,911
$213,189,674
$254,318,590
9/30/21
$261,647,387
$207,472,500
$252,385,921
12/31/21
$272,527,844
$215,406,427
$259,577,780
3/31/22
$235,686,506
$202,876,339
$226,922,055
6/30/22
$189,809,935
$168,425,864
$179,105,576
9/30/22
$177,202,633
$163,680,286
$177,936,052
12/31/22
$189,529,773
$175,837,947
$190,216,150
3/31/23
$205,919,265
$181,799,374
$207,594,104
6/30/23
$218,316,446
$191,298,291
$220,536,125
9/30/23
$205,639,103
$182,150,259
$209,015,362
12/31/23
$233,165,046
$206,474,666
$239,419,047
3/31/24
$250,955,350
$220,761,644
$262,155,602
6/30/24
$234,986,101
$211,324,949
$253,731,645
9/30/24
$260,060,623
$229,813,034
$270,329,033
12/31/24
$259,570,339
$231,241,365
$292,338,073
3/31/25
$254,737,540
$213,895,174
$271,523,132
6/30/25
$267,344,842
$232,259,357
$320,945,245
9/30/25
$274,559,021
$253,162,535
$329,865,330
12/31/25
$261,251,313
$258,776,146
$317,645,761
3/31/26
$226,721,314
$264,043,808
$297,478,248
6/30/26
$242,550,482
$317,550,066
$340,753,715
Average Annual Return [Table Text Block]        
Table Summary
 
One Year
Five Year
Ten Year
Institutional Plus SharesFootnote Reference1
-9.27%
-1.36%
9.26%
Russell 2500® Index
36.72%
8.30%
12.25%
Russell Midcap Growth® Index
6.17%
6.03%
13.04%
Performance Inception Date Dec. 03, 2021 Nov. 29, 2017      
No Deduction of Taxes [Text Block]         The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund shares.
Performance Table Market Index Changed [Text Block]         Effective June 1, 2024, the Fund changed its primary benchmark index from the Russell Midcap Growth Index to the Russell 2500 Index due to regulatory requirements. The Fund retained the Russell Midcap Growth Index as a secondary benchmark because the Russell Midcap Growth Index more closely reflects the market sectors in which the Fund invests.
Prior Market Index Comparison [Text Block]         The Fund retained the Russell Midcap Growth Index as a secondary benchmark
Updated Performance Information Location [Text Block]         Updated performance can be found at https://dfdent.com/literature/. 
AssetsNet         $ 221,406,592
Holdings Count | Holding         38
Advisory Fees Paid, Amount         $ 2,171,331
InvestmentCompanyPortfolioTurnover         47.00%
Additional Fund Statistics [Text Block]        

Fund Statistics

Table Summary
Total Net Assets
$221,406,592
# of Portfolio Holdings
38
Portfolio Turnover Rate
47%
Investment Advisory Fees (Net of fees waived)
$2,171,331
Holdings [Text Block]        

Sector Weightings

(% total investments)*

Group By Sector Chart
Table Summary
Value
Value
Information Technology
22.8%
Industrials
21.7%
Financials
18.7%
Health Care
16.2%
Materials
11.8%
Real Estate
6.1%
Consumer Discretionary
2.7%

* excluding cash equivalents
Largest Holdings [Text Block]        

Top Ten Holdings 

(% total investments)*

Table Summary
Ecolab, Inc.
5.57%
Vulcan Materials Co.
5.54%
HEICO Corp., Class A
5.00%
Bio-Techne Corp.
4.23%
TransDigm Group, Inc.
4.21%
Kinsale Capital Group, Inc.
4.12%
Veralto Corp.
4.11%
Veeva Systems, Inc., Class A
3.95%
CBRE Group, Inc., Class A
3.69%
Appfolio, Inc.
3.69%

* excluding cash equivalents
C000115949          
Shareholder Report [Line Items]          
Fund Name         DF Dent Small Cap Growth Fund
Class Name         Investor
Trading Symbol         DFDSX
Annual or Semi-Annual Statement [Text Block]         This annual shareholder report contains important information about the DF Dent Small Cap Growth Fund for the period of July 1, 2025, to June 30, 2026.
Shareholder Report Annual or Semi-Annual         Annual Shareholder Report
Additional Information [Text Block]        

This annual shareholder report contains important information about the DF Dent Small Cap Growth Fund for the period of July 1, 2025, to June 30, 2026. You can find additional information about the Fund at https://dfdent.com/literature/. You can also request this information by contacting us at (866) 233-3368.
Additional Information Phone Number         (866) 233-3368
Additional Information Website         https://dfdent.com/literature/
Expenses [Text Block]        

What were the Fund's costs for the last year? 

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Investor Shares
$108
1.05%
Expenses Paid, Amount         $ 108
Expense Ratio, Percent         1.05%
Factors Affecting Performance [Text Block]        

How did the Fund perform in the last year? 

During the period from July 1, 2025, to June 30, 2026, the Fund underperformed both the Russell 2000 Index and the Russell 2000 Growth Index.

 

 

The underperformance relative to the Russell 2000 Index came almost entirely from stock selection in the Financials, Health Care, Industrials, and Information Technology sectors. This was partially offset by stock selection in the Materials sector and underweights in Consumer Discretionary and Financials sectors, as well as an overweight in the Industrials sector.

 

 

The underperformance relative to the Russell 2000 Growth Index was not as severe as the underperformance relative to the Russell 2000 Index. The biggest detractors to performance were our software names and our underexposure to artificial intelligence (“AI”) infrastructure-related stocks. Importantly though, this dynamic changed as of the end of the second quarter, following the benchmark’s reconstitution. Through reconstitution, we estimate AI infrastructure exposure dropped by 10-15 percentage points in the index. Stock selection in the Materials sector, underweights in the Consumer Discretionary and Communication Services sectors, and an overweight in the Industrials sector helped performance slightly.

Top Contributors

  • Thin up arrow

    Perimeter Solutions, Inc.

  • Thin up arrow

    Onto Innovation, Inc. 

  • Thin up arrow

    Medpace Holdings, Inc.

  • Thin up arrow

    RBC Bearings, Inc.

  • Thin up arrow

    ESCO Technologies, Inc. 

Top Detractors

  • Thin down arrow

    Goosehead Insurance, Inc., Class A

  • Thin down arrow

    SPS Commerce, Inc

  • Thin down arrow

    Hamilton Lane, Inc., Class A

  • Thin down arrow

    Guidewire Software, Inc.

  • Thin down arrow

    Morningstar, Inc. 
Performance Past Does Not Indicate Future [Text]         The Fund’s past performance is not a good predictor of how the Fund will perform in the future.
Line Graph [Table Text Block]        
Growth of 10K Chart
Table Summary
Date
Investor Shares
Russell 2000® Index
Russell 2000® Growth Index
6/30/16
$10,000
$10,000
$10,000
9/30/16
$10,661
$10,905
$10,922
12/31/16
$10,783
$11,868
$11,312
3/31/17
$11,010
$12,160
$11,917
6/30/17
$11,567
$12,460
$12,440
9/30/17
$12,063
$13,166
$13,214
12/31/17
$12,463
$13,606
$13,820
3/31/18
$12,872
$13,595
$14,137
6/30/18
$13,899
$14,649
$15,160
9/30/18
$15,117
$15,173
$15,997
12/31/18
$12,274
$12,108
$12,533
3/31/19
$14,368
$13,873
$14,682
6/30/19
$15,985
$14,164
$15,086
9/30/19
$15,443
$13,824
$14,456
12/31/19
$16,734
$15,198
$16,103
3/31/20
$13,338
$10,545
$11,954
6/30/20
$17,436
$13,226
$15,610
9/30/20
$18,536
$13,878
$16,728
12/31/20
$22,538
$18,232
$21,680
3/31/21
$22,567
$20,547
$22,737
6/30/21
$24,166
$21,429
$23,628
9/30/21
$24,408
$20,495
$22,292
12/31/21
$25,824
$20,933
$22,295
3/31/22
$21,727
$19,358
$19,479
6/30/22
$18,046
$16,029
$15,729
9/30/22
$17,282
$15,679
$15,767
12/31/22
$17,997
$16,655
$16,418
3/31/23
$19,554
$17,111
$17,415
6/30/23
$20,596
$18,002
$18,644
9/30/23
$19,941
$17,079
$17,279
12/31/23
$22,005
$19,475
$19,482
3/31/24
$23,830
$20,484
$20,959
6/30/24
$22,114
$19,812
$20,347
9/30/24
$24,773
$21,650
$22,058
12/31/24
$24,406
$21,722
$22,434
3/31/25
$22,570
$19,663
$19,940
6/30/25
$23,632
$21,334
$22,326
9/30/25
$23,671
$23,979
$25,049
12/31/25
$23,612
$24,504
$25,353
3/31/26
$21,648
$24,721
$24,642
6/30/26
$25,080
$30,034
$30,976
Average Annual Return [Table Text Block]        
Table Summary
 
One Year
Five Year
Ten Year
Investor Shares
6.13%
0.75%
9.63%
Russell 2000® Index
40.78%
6.98%
11.62%
Russell 2000® Growth Index
38.74%
5.57%
11.97%
No Deduction of Taxes [Text Block]         The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund shares.
Performance Table Market Index Changed [Text Block]         Effective June 1, 2024, the Fund changed its primary benchmark index from the Russell 2000 Growth Index to the Russell 2000 Index due to regulatory requirements. The Fund retained the Russell 2000 Growth Index as a secondary benchmark because the Russell 2000 Growth Index more closely reflects the market sectors in which the Fund invests. 
Prior Market Index Comparison [Text Block]         The Fund retained the Russell 2000 Growth Index as a secondary benchmark
Updated Performance Information Location [Text Block]         Updated performance can be found at https://dfdent.com/literature/. 
AssetsNet         $ 170,063,407
Holdings Count | Holding         50
Advisory Fees Paid, Amount         $ 1,198,208
InvestmentCompanyPortfolioTurnover         49.00%
Additional Fund Statistics [Text Block]        

Fund Statistics

Table Summary
Total Net Assets
$170,063,407
# of Portfolio Holdings
50
Portfolio Turnover Rate
49%
Investment Advisory Fees (Net of fees waived)
$1,198,208
Holdings [Text Block]        

Sector Weightings

(% total investments)*

Group By Sector Chart
Table Summary
Value
Value
Industrials
38.2%
Information Technology
24.6%
Health Care
13.0%
Materials
8.1%
Financials
6.1%
Consumer Discretionary
5.9%
Real Estate
4.1%

* excluding cash equivalents
Largest Holdings [Text Block]        

Top Ten Holdings 

(% total investments)*

Table Summary
Perimeter Solutions, Inc.
6.65%
Landbridge Co., LLC
4.10%
Casella Waste Systems, Inc.
4.04%
Novanta, Inc.
3.70%
Medpace Holdings, Inc.
3.66%
HEICO Corp., Class A
3.60%
Hayward Holdings, Inc.
3.51%
Onto Innovation, Inc.
3.30%
RBC Bearings, Inc.
3.28%
Applied Industrial Technologies, Inc.
2.81%

* excluding cash equivalents
C000195206          
Shareholder Report [Line Items]          
Fund Name         DF Dent Small Cap Growth Fund
Class Name         Institutional
Trading Symbol         DFSGX
Annual or Semi-Annual Statement [Text Block]         This annual shareholder report contains important information about the DF Dent Small Cap Growth Fund for the period of July 1, 2025, to June 30, 2026.
Shareholder Report Annual or Semi-Annual         Annual Shareholder Report
Additional Information [Text Block]        

This annual shareholder report contains important information about the DF Dent Small Cap Growth Fund for the period of July 1, 2025, to June 30, 2026. You can find additional information about the Fund at https://dfdent.com/literature/. You can also request this information by contacting us at (866) 233-3368.
Additional Information Phone Number         (866) 233-3368
Additional Information Website         https://dfdent.com/literature/
Expenses [Text Block]        

What were the Fund's costs for the last year? 

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Institutional Shares
$98
0.95%
Expenses Paid, Amount         $ 98
Expense Ratio, Percent         0.95%
Factors Affecting Performance [Text Block]        

How did the Fund perform in the last year? 

During the period from July 1, 2025, to June 30, 2026, the Fund underperformed both the Russell 2000 Index and the Russell 2000 Growth Index.

 

 

The underperformance relative to the Russell 2000 Index came almost entirely from stock selection in the Financials, Health Care, Industrials, and Information Technology sectors. This was partially offset by stock selection in the Materials sector and underweights in Consumer Discretionary and Financials sectors, as well as an overweight in the Industrials sector.

 

 

The underperformance relative to the Russell 2000 Growth Index was not as severe as the underperformance relative to the Russell 2000 Index. The biggest detractors to performance were our software names and our underexposure to artificial intelligence (“AI”) infrastructure-related stocks. Importantly though, this dynamic changed as of the end of the second quarter, following the benchmark’s reconstitution. Through reconstitution, we estimate AI infrastructure exposure dropped by 10-15 percentage points in the index. Stock selection in the Materials sector, underweights in the Consumer Discretionary and Communication Services sectors, and an overweight in the Industrials sector helped performance slightly.

Top Contributors

  • Thin up arrow

    Perimeter Solutions, Inc.

  • Thin up arrow

    Onto Innovation, Inc. 

  • Thin up arrow

    Medpace Holdings, Inc.

  • Thin up arrow

    RBC Bearings, Inc.

  • Thin up arrow

    ESCO Technologies, Inc. 

Top Detractors

  • Thin down arrow

    Goosehead Insurance, Inc., Class A

  • Thin down arrow

    SPS Commerce, Inc

  • Thin down arrow

    Hamilton Lane, Inc., Class A

  • Thin down arrow

    Guidewire Software, Inc.

  • Thin down arrow

    Morningstar, Inc. 
Performance Past Does Not Indicate Future [Text]         The Fund’s past performance is not a good predictor of how the Fund will perform in the future.
Line Graph [Table Text Block]        
Growth of 10K Chart
Table Summary
Date
Institutional SharesFootnote Reference1
Russell 2000® Index
Russell 2000® Growth Index
6/30/16
$500,000
$500,000
$500,000
9/30/16
$533,072
$545,229
$546,107
12/31/16
$539,164
$593,392
$565,604
3/31/17
$550,479
$608,025
$595,857
6/30/17
$578,329
$623,004
$622,008
9/30/17
$603,133
$658,319
$660,687
12/31/17
$623,151
$680,308
$690,980
3/31/18
$644,038
$679,735
$706,868
6/30/18
$694,952
$732,440
$757,993
9/30/18
$756,745
$758,635
$799,859
12/31/18
$614,120
$605,379
$626,664
3/31/19
$719,278
$693,668
$734,105
6/30/19
$800,599
$708,201
$754,278
9/30/19
$773,492
$691,198
$722,801
12/31/19
$838,533
$759,901
$805,160
3/31/20
$668,266
$527,260
$597,711
6/30/20
$873,630
$661,282
$780,516
9/30/20
$929,122
$693,896
$836,385
12/31/20
$1,130,136
$911,584
$1,084,005
3/31/21
$1,132,073
$1,027,347
$1,136,853
6/30/21
$1,212,486
$1,071,446
$1,181,389
9/30/21
$1,224,596
$1,024,727
$1,114,610
12/31/21
$1,296,378
$1,046,671
$1,114,734
3/31/22
$1,090,564
$967,901
$973,972
6/30/22
$906,076
$801,469
$786,441
9/30/22
$867,889
$783,939
$788,343
12/31/22
$904,092
$832,769
$820,918
3/31/23
$982,450
$855,569
$870,770
6/30/23
$1,035,019
$900,103
$932,182
9/30/23
$1,002,287
$853,945
$863,959
12/31/23
$1,106,434
$973,747
$974,089
3/31/24
$1,198,678
$1,024,188
$1,047,943
6/30/24
$1,112,385
$990,619
$1,017,352
9/30/24
$1,246,784
$1,082,477
$1,102,912
12/31/24
$1,228,930
$1,086,097
$1,121,705
3/31/25
$1,136,686
$983,147
$997,019
6/30/25
$1,190,247
$1,066,711
$1,116,318
9/30/25
$1,192,231
$1,198,927
$1,252,439
12/31/25
$1,189,751
$1,225,193
$1,267,669
3/31/26
$1,091,060
$1,236,059
$1,232,078
6/30/26
$1,264,638
$1,501,703
$1,548,800
Average Annual Return [Table Text Block]        
Table Summary
 
One Year
Five Year
Ten Year
Institutional SharesFootnote Reference1
6.25%
0.85%
9.72%
Russell 2000® Index
40.78%
6.98%
11.62%
Russell 2000® Growth Index
38.74%
5.57%
11.97%
Performance Inception Date   Nov. 29, 2017 Nov. 20, 2017    
No Deduction of Taxes [Text Block]         The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund shares.
Performance Table Market Index Changed [Text Block]         Effective June 1, 2024, the Fund changed its primary benchmark index from the Russell 2000 Growth Index to the Russell 2000 Index due to regulatory requirements. The Fund retained the Russell 2000 Growth Index as a secondary benchmark because the Russell 2000 Growth Index more closely reflects the market sectors in which the Fund invests. 
Prior Market Index Comparison [Text Block]         The Fund retained the Russell 2000 Growth Index as a secondary benchmark
Updated Performance Information Location [Text Block]         Updated performance can be found at https://dfdent.com/literature/. 
AssetsNet         $ 170,063,407
Holdings Count | Holding         50
Advisory Fees Paid, Amount         $ 1,198,208
InvestmentCompanyPortfolioTurnover         49.00%
Additional Fund Statistics [Text Block]        

Fund Statistics

Table Summary
Total Net Assets
$170,063,407
# of Portfolio Holdings
50
Portfolio Turnover Rate
49%
Investment Advisory Fees (Net of fees waived)
$1,198,208
Holdings [Text Block]        

Sector Weightings

(% total investments)*

Group By Sector Chart
Table Summary
Value
Value
Industrials
38.2%
Information Technology
24.6%
Health Care
13.0%
Materials
8.1%
Financials
6.1%
Consumer Discretionary
5.9%
Real Estate
4.1%

* excluding cash equivalents
Largest Holdings [Text Block]        

Top Ten Holdings 

(% total investments)*

Table Summary
Perimeter Solutions, Inc.
6.65%
Landbridge Co., LLC
4.10%
Casella Waste Systems, Inc.
4.04%
Novanta, Inc.
3.70%
Medpace Holdings, Inc.
3.66%
HEICO Corp., Class A
3.60%
Hayward Holdings, Inc.
3.51%
Onto Innovation, Inc.
3.30%
RBC Bearings, Inc.
3.28%
Applied Industrial Technologies, Inc.
2.81%

* excluding cash equivalents
C000256263          
Shareholder Report [Line Items]          
Fund Name         DF Dent Small Cap Growth Fund
Class Name         Institutional Plus
Trading Symbol         DFSLX
Annual or Semi-Annual Statement [Text Block]         This annual shareholder report contains important information about the DF Dent Small Cap Growth Fund for the period of July 1, 2025, to June 30, 2026.
Shareholder Report Annual or Semi-Annual         Annual Shareholder Report
Additional Information [Text Block]        

This annual shareholder report contains important information about the DF Dent Small Cap Growth Fund for the period of July 1, 2025, to June 30, 2026. You can find additional information about the Fund at https://dfdent.com/literature/. You can also request this information by contacting us at (866) 233-3368.
Additional Information Phone Number         (866) 233-3368
Additional Information Website         https://dfdent.com/literature/
Expenses [Text Block]        

What were the Fund's costs for the last year? 

(based on a hypothetical $10,000 investment)

Table Summary
Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Institutional Plus Shares
$88
0.85%
Expenses Paid, Amount         $ 88
Expense Ratio, Percent         0.85%
Factors Affecting Performance [Text Block]        

How did the Fund perform in the last year? 

During the period from July 1, 2025, to June 30, 2026, the Fund underperformed both the Russell 2000 Index and the Russell 2000 Growth Index.

 

 

The underperformance relative to the Russell 2000 Index came almost entirely from stock selection in the Financials, Health Care, Industrials, and Information Technology sectors. This was partially offset by stock selection in the Materials sector and underweights in Consumer Discretionary and Financials sectors, as well as an overweight in the Industrials sector.

 

 

The underperformance relative to the Russell 2000 Growth Index was not as severe as the underperformance relative to the Russell 2000 Index. The biggest detractors to performance were our software names and our underexposure to artificial intelligence (“AI”) infrastructure-related stocks. Importantly though, this dynamic changed as of the end of the second quarter, following the benchmark’s reconstitution. Through reconstitution, we estimate AI infrastructure exposure dropped by 10-15 percentage points in the index. Stock selection in the Materials sector, underweights in the Consumer Discretionary and Communication Services sectors, and an overweight in the Industrials sector helped performance slightly.

Top Contributors

  • Thin up arrow

    Perimeter Solutions, Inc.

  • Thin up arrow

    Onto Innovation, Inc. 

  • Thin up arrow

    Medpace Holdings, Inc.

  • Thin up arrow

    RBC Bearings, Inc.

  • Thin up arrow

    ESCO Technologies, Inc. 

Top Detractors

  • Thin down arrow

    Goosehead Insurance, Inc., Class A

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    SPS Commerce, Inc

  • Thin down arrow

    Hamilton Lane, Inc., Class A

  • Thin down arrow

    Guidewire Software, Inc.

  • Thin down arrow

    Morningstar, Inc. 
Performance Past Does Not Indicate Future [Text]         The Fund’s past performance is not a good predictor of how the Fund will perform in the future.
Line Graph [Table Text Block]        
Growth of 10K Chart
Table Summary
Date
Institutional Plus SharesFootnote Reference1
Russell 2000® Index
Russell 2000® Growth Index
6/30/16
$100,000,000
$100,000,000
$100,000,000
9/30/16
$106,614,447
$109,045,897
$109,221,426
12/31/16
$107,832,898
$118,678,427
$113,120,847
3/31/17
$110,095,735
$121,604,929
$119,171,407
6/30/17
$115,665,796
$124,600,776
$124,401,693
9/30/17
$120,626,632
$131,663,791
$132,137,309
12/31/17
$124,630,113
$136,061,650
$138,195,980
3/31/18
$128,720,627
$135,947,061
$141,373,647
6/30/18
$138,990,426
$146,487,999
$151,598,661
9/30/18
$151,174,935
$151,726,903
$159,971,819
12/31/18
$122,736,854
$121,075,807
$125,332,800
3/31/19
$143,675,967
$138,733,578
$146,820,939
6/30/19
$159,847,693
$141,640,142
$150,855,631
9/30/19
$154,425,958
$138,239,632
$144,560,278
12/31/19
$167,340,089
$151,980,288
$161,031,915
3/31/20
$133,378,778
$105,451,926
$119,542,132
6/30/20
$174,360,024
$132,256,332
$156,103,137
9/30/20
$185,364,248
$138,779,111
$167,276,957
12/31/20
$225,378,852
$182,316,886
$216,801,057
3/31/21
$225,669,539
$205,469,361
$227,370,610
6/30/21
$241,657,290
$214,289,214
$236,277,778
9/30/21
$244,079,677
$204,945,407
$222,921,914
12/31/21
$258,242,798
$209,334,260
$222,946,871
3/31/22
$217,269,200
$193,580,174
$194,794,464
6/30/22
$180,462,409
$160,293,731
$157,288,105
9/30/22
$172,823,263
$156,787,800
$157,668,521
12/31/22
$179,966,360
$166,553,795
$164,183,667
3/31/23
$195,542,280
$171,113,703
$174,154,051
6/30/23
$205,959,297
$180,020,641
$186,436,322
9/30/23
$199,411,458
$170,788,974
$172,791,739
12/31/23
$220,047,071
$194,749,479
$194,817,799
3/31/24
$238,301,652
$204,837,699
$209,588,511
6/30/24
$221,138,378
$198,123,746
$203,470,337
9/30/24
$247,726,572
$216,495,438
$220,582,345
12/31/24
$244,055,814
$217,219,498
$224,340,963
3/31/25
$225,697,966
$196,629,335
$199,403,742
6/30/25
$236,431,421
$213,342,171
$223,263,625
9/30/25
$236,923,781
$239,785,339
$250,487,818
12/31/25
$236,431,421
$245,038,563
$253,533,896
3/31/26
$216,933,953
$247,211,826
$246,415,565
6/30/26
$251,497,646
$300,340,597
$309,760,095
Average Annual Return [Table Text Block]        
Table Summary
 
One Year
Five Year
Ten Year
Institutional Plus SharesFootnote Reference1
6.37%
0.80%
9.66%
Russell 2000® Index
40.78%
6.98%
11.62%
Russell 2000® Growth Index
38.74%
5.57%
11.97%
Performance Inception Date   Nov. 29, 2017   Feb. 25, 2025  
No Deduction of Taxes [Text Block]         The graph and table do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or redemption of Fund shares.
Performance Table Market Index Changed [Text Block]         Effective June 1, 2024, the Fund changed its primary benchmark index from the Russell 2000 Growth Index to the Russell 2000 Index due to regulatory requirements. The Fund retained the Russell 2000 Growth Index as a secondary benchmark because the Russell 2000 Growth Index more closely reflects the market sectors in which the Fund invests. 
Prior Market Index Comparison [Text Block]         The Fund retained the Russell 2000 Growth Index as a secondary benchmark
Updated Performance Information Location [Text Block]         Updated performance can be found at https://dfdent.com/literature/. 
AssetsNet         $ 170,063,407
Holdings Count | Holding         50
Advisory Fees Paid, Amount         $ 1,198,208
InvestmentCompanyPortfolioTurnover         49.00%
Additional Fund Statistics [Text Block]        

Fund Statistics

Table Summary
Total Net Assets
$170,063,407
# of Portfolio Holdings
50
Portfolio Turnover Rate
49%
Investment Advisory Fees (Net of fees waived)
$1,198,208
Holdings [Text Block]        

Sector Weightings

(% total investments)*

Group By Sector Chart
Table Summary
Value
Value
Industrials
38.2%
Information Technology
24.6%
Health Care
13.0%
Materials
8.1%
Financials
6.1%
Consumer Discretionary
5.9%
Real Estate
4.1%

* excluding cash equivalents
Largest Holdings [Text Block]        

Top Ten Holdings 

(% total investments)*

Table Summary
Perimeter Solutions, Inc.
6.65%
Landbridge Co., LLC
4.10%
Casella Waste Systems, Inc.
4.04%
Novanta, Inc.
3.70%
Medpace Holdings, Inc.
3.66%
HEICO Corp., Class A
3.60%
Hayward Holdings, Inc.
3.51%
Onto Innovation, Inc.
3.30%
RBC Bearings, Inc.
3.28%
Applied Industrial Technologies, Inc.
2.81%

* excluding cash equivalents