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Shareholder Report
 12 Months Ended
Sep. 30, 2025
USD ($)
Holding
Shareholder Report [Line Items]  
Document Type N-CSR
Amendment Flag false
Registrant Name CONESTOGA FUNDS
Entity Central Index Key 0001175813
Entity Investment Company Type N-1A
Document Period End Date Sep. 30, 2025
C000142731  
Shareholder Report [Line Items]  
Fund Name Conestoga Small Cap Fund
Class Name Institutional Class
Trading Symbol CCALX
Shareholder Report Annual or Semi-Annual Annual Shareholder Report
Additional Information Phone Number (800) 494-2755
Expenses [Text Block]

What were the Fund’s annualized costs for the last year?

(based on a hypothetical $10,000 investment)

Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Institutional Class
$87
0.90%
Expenses Paid, Amount $ 87
Expense Ratio, Percent 0.90%
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
Conestoga Small Cap Fund - Institutional Class
Russell 2000® Growth Index
Russell 3000® Index
Sep-2015
$250,000
$250,000
$250,000
Sep-2016
$296,091
$280,309
$287,410
Sep-2017
$386,202
$339,121
$341,175
Sep-2018
$497,223
$410,556
$401,153
Sep-2019
$480,376
$371,003
$412,857
Sep-2020
$530,948
$429,304
$474,791
Sep-2021
$732,522
$572,113
$626,133
Sep-2022
$522,840
$404,645
$515,762
Sep-2023
$609,316
$443,458
$621,293
Sep-2024
$726,238
$566,109
$839,949
Sep-2025
$670,852
$642,859
$986,176
Average Annual Return [Table Text Block]

Average Annual Total Returns

(period ended September 30, 2025)

1 Year*
5 Years*
10 Years*
Conestoga Small Cap Fund - Institutional Class
-7.63%
4.79%
10.37%
Russell 3000® Index
17.41%
15.74%
14.71%
Russell 2000® Growth Index
13.56%
8.41%
9.91%

* Annualized

 

The Fund's past performance is not a good predictor of how the Fund will perform in the future. The graph and table do not reflect the deduction of taxes that a shareholder would pay on fund distributions or redemption of fund shares. Call (800) 494-2755 or visit https://conestogacapital.com/strategies/small-cap-fund/ for updated performance information.
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.
Updated Performance Information Location [Text Block] Call (800) 494-2755 or visit https://conestogacapital.com/strategies/small-cap-fund/ for updated performance information.
AssetsNet $ 3,449,922,885
Holdings Count | Holding 45
Advisory Fees Paid, Amount $ 31,315,098
InvestmentCompanyPortfolioTurnover 17.00%
Additional Fund Statistics [Text Block]

Fund Statistics 

(as of September 30, 2025)

  • Net Assets$3,449,922,885
  • Total Number of Portfolio Holdings45
  • Advisory Fee (net of waivers)$31,315,098
  • Portfolio Turnover Rate17%
Holdings [Text Block]

Asset Weighting (% of total investments)

(as of September 30, 2025)

Group By Asset Type Chart
Value
Value
Common Stocks
96.0%
Money Market Funds
4.0%

Sector Weighting (% of net assets)

(as of September 30, 2025)

Group By Sector Chart
Value
Value
Other Assets in Excess of Liabilities
0.4%
Consumer Staples
1.3%
Financials
2.1%
Telecommunications
2.5%
Real Estate
3.6%
Consumer Discretionary
3.8%
Money Market
4.0%
Utilities
4.2%
Basic Materials
7.0%
Health Care
12.3%
Technology
20.0%
Industrials
38.8%

Top 10 Holdings (% of net assets)

(as of September 30, 2025)

Holding Name
% of Net Assets
Construction Partners, Inc. - Class A
4.3%
Casella Waste Systems, Inc. - Class A
4.2%
Descartes Systems Group, Inc. (The)
4.1%
RBC Bearings, Inc.
3.8%
ESCO Technologies, Inc.
3.8%
FirstService Corporation
3.6%
Stevanato Group S.p.A.
3.5%
AAON, Inc.
3.2%
Balchem Corporation
3.2%
Merit Medical Systems, Inc.
2.9%
Material Fund Change [Text Block]

Material Fund Changes

No material changes occurred for the Fund during the Period. 
C000012946  
Shareholder Report [Line Items]  
Fund Name Conestoga Small Cap Fund
Class Name Investors Class
Trading Symbol CCASX
Shareholder Report Annual or Semi-Annual Annual Shareholder Report
Additional Information Phone Number (800) 494-2755
Expenses [Text Block]

What were the Fund’s annualized costs for the last year?

(based on a hypothetical $10,000 investment)

Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Investors Class
$106
1.10%
Expenses Paid, Amount $ 106
Expense Ratio, Percent 1.10%
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
Conestoga Small Cap Fund - Investors Class
Russell 2000® Growth Index
Russell 3000® Index
Sep-2015
$10,000
$10,000
$10,000
Sep-2016
$11,818
$11,212
$11,496
Sep-2017
$15,382
$13,565
$13,647
Sep-2018
$19,761
$16,422
$16,046
Sep-2019
$19,056
$14,840
$16,514
Sep-2020
$21,018
$17,172
$18,992
Sep-2021
$28,942
$22,885
$25,045
Sep-2022
$20,613
$16,186
$20,630
Sep-2023
$23,978
$17,738
$24,852
Sep-2024
$28,519
$22,644
$33,598
Sep-2025
$26,296
$25,714
$39,447
Average Annual Return [Table Text Block]

Average Annual Total Returns

(period ended September 30, 2025)

1 Year*
5 Years*
10 Years*
Conestoga Small Cap Fund - Investors Class
-7.80%
4.58%
10.15%
Russell 3000® Index
17.41%
15.74%
14.71%
Russell 2000® Growth Index
13.56%
8.41%
9.91%

* Annualized

 

The Fund's past performance is not a good predictor of how the Fund will perform in the future. The graph and table do not reflect the deduction of taxes that a shareholder would pay on fund distributions or redemption of fund shares. Call (800) 494-2755 or visit https://conestogacapital.com/strategies/small-cap-fund/ for updated performance information.
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.
Updated Performance Information Location [Text Block] Call (800) 494-2755 or visit https://conestogacapital.com/strategies/small-cap-fund/ for updated performance information.
AssetsNet $ 3,449,922,885
Holdings Count | Holding 45
Advisory Fees Paid, Amount $ 31,315,098
InvestmentCompanyPortfolioTurnover 17.00%
Additional Fund Statistics [Text Block]

Fund Statistics 

(as of September 30, 2025)

  • Net Assets$3,449,922,885
  • Total Number of Portfolio Holdings45
  • Advisory Fee (net of waivers)$31,315,098
  • Portfolio Turnover Rate17%
Holdings [Text Block]

Asset Weighting (% of total investments)

(as of September 30, 2025)

Group By Asset Type Chart
Value
Value
Common Stocks
96.0%
Money Market Funds
4.0%

Sector Weighting (% of net assets)

(as of September 30, 2025)

Group By Sector Chart
Value
Value
Other Assets in Excess of Liabilities
0.4%
Consumer Staples
1.3%
Financials
2.1%
Telecommunications
2.5%
Real Estate
3.6%
Consumer Discretionary
3.8%
Money Market
4.0%
Utilities
4.2%
Basic Materials
7.0%
Health Care
12.3%
Technology
20.0%
Industrials
38.8%

Top 10 Holdings (% of net assets)

(as of September 30, 2025)

Holding Name
% of Net Assets
Construction Partners, Inc. - Class A
4.3%
Casella Waste Systems, Inc. - Class A
4.2%
Descartes Systems Group, Inc. (The)
4.1%
RBC Bearings, Inc.
3.8%
ESCO Technologies, Inc.
3.8%
FirstService Corporation
3.6%
Stevanato Group S.p.A.
3.5%
AAON, Inc.
3.2%
Balchem Corporation
3.2%
Merit Medical Systems, Inc.
2.9%
Material Fund Change [Text Block]

Material Fund Changes

No material changes occurred for the Fund during the Period. 
C000136097  
Shareholder Report [Line Items]  
Fund Name Conestoga SMid Cap Fund
Class Name Institutional Class
Trading Symbol CCSGX
Shareholder Report Annual or Semi-Annual Annual Shareholder Report
Additional Information Phone Number (800) 494-2755
Expenses [Text Block]

What were the Fund’s annualized costs for the last year?

(based on a hypothetical $10,000 investment)

Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Institutional Class
$83
0.85%
Expenses Paid, Amount $ 83
Expense Ratio, Percent 0.85%
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
Conestoga SMid Cap Fund - Institutional Class
Russell 2500® Growth Index
Russell 3000® Index
Sep-2015
$250,000
$250,000
$250,000
Sep-2016
$287,399
$277,554
$287,410
Sep-2017
$368,239
$333,248
$341,175
Sep-2018
$492,123
$410,326
$401,153
Sep-2019
$500,600
$393,443
$412,857
Sep-2020
$569,495
$485,407
$474,791
Sep-2021
$771,431
$640,624
$626,133
Sep-2022
$530,230
$452,314
$515,762
Sep-2023
$619,388
$500,306
$621,293
Sep-2024
$782,059
$626,398
$839,949
Sep-2025
$753,422
$705,425
$986,176
Average Annual Return [Table Text Block]

Average Annual Total Returns

(period ended September 30, 2025)

1 Year*
5 Years*
10 Years*
Conestoga SMid Cap Fund - Institutional Class
-3.66%
5.76%
11.66%
Russell 3000® Index
17.41%
15.74%
14.71%
Russell 2500® Growth Index
12.62%
7.76%
10.93%

* Annualized

 

The Fund's past performance is not a good predictor of how the Fund will perform in the future. The graph and table do not reflect the deduction of taxes that a shareholder would pay on fund distributions or redemption of fund shares. Call (800) 494-2755 or visit https://conestogacapital.com/strategies/smid-cap-fund/ for updated performance information.
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.
Updated Performance Information Location [Text Block] Call (800) 494-2755 or visit https://conestogacapital.com/strategies/smid-cap-fund/ for updated performance information.
AssetsNet $ 624,459,972
Holdings Count | Holding 43
Advisory Fees Paid, Amount $ 4,821,298
InvestmentCompanyPortfolioTurnover 11.00%
Additional Fund Statistics [Text Block]

Fund Statistics 

(as of September 30, 2025)

  • Net Assets$624,459,972
  • Total Number of Portfolio Holdings43
  • Advisory Fee (net of waivers)$4,821,298
  • Portfolio Turnover Rate11%
Holdings [Text Block]

Asset Weighting (% of total investments)

(as of September 30, 2025)

Group By Asset Type Chart
Value
Value
Common Stocks
96.7%
Money Market Funds
3.3%

Sector Weighting (% of net assets)

(as of September 30, 2025)

Group By Sector Chart
Value
Value
Liabilities in Excess of Other Assets
-0.4%
Financials
1.6%
Money Market
3.3%
Real Estate
3.9%
Utilities
4.4%
Basic Materials
6.7%
Health Care
10.2%
Consumer Discretionary
11.8%
Technology
20.8%
Industrials
37.7%

Top 10 Holdings (% of net assets)

(as of September 30, 2025)

Holding Name
% of Net Assets
Casella Waste Systems, Inc. - Class A
4.4%
RBC Bearings, Inc.
4.2%
Construction Partners, Inc. - Class A
4.2%
Rollins, Inc.
4.1%
HEICO Corporation - Class A
4.0%
FirstService Corporation
3.9%
Guidewire Software, Inc.
3.8%
Descartes Systems Group, Inc. (The)
3.3%
Tyler Technologies, Inc.
3.2%
Mercury Systems, Inc.
3.0%
Material Fund Change [Text Block]

Material Fund Changes

No material changes occurred for the Fund during the Period. 
C000136096  
Shareholder Report [Line Items]  
Fund Name Conestoga SMid Cap Fund
Class Name Investors Class
Trading Symbol CCSMX
Shareholder Report Annual or Semi-Annual Annual Shareholder Report
Additional Information Phone Number (800) 494-2755
Expenses [Text Block]

What were the Fund’s annualized costs for the last year?

(based on a hypothetical $10,000 investment)

Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Investors Class
$108
1.10%
Expenses Paid, Amount $ 108
Expense Ratio, Percent 1.10%
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
Conestoga SMid Cap Fund - Investors Class
Russell 2500® Growth Index
Russell 3000® Index
Sep-2015
$10,000
$10,000
$10,000
Sep-2016
$11,465
$11,102
$11,496
Sep-2017
$14,660
$13,330
$13,647
Sep-2018
$19,534
$16,413
$16,046
Sep-2019
$19,827
$15,738
$16,514
Sep-2020
$22,508
$19,416
$18,992
Sep-2021
$30,405
$25,625
$25,045
Sep-2022
$20,838
$18,093
$20,630
Sep-2023
$24,295
$20,012
$24,852
Sep-2024
$30,594
$25,056
$33,598
Sep-2025
$29,398
$28,217
$39,447
Average Annual Return [Table Text Block]

Average Annual Total Returns

(period ended September 30, 2025)

1 Year*
5 Years*
10 Years*
Conestoga SMid Cap Fund - Investors Class
-3.91%
5.49%
11.39%
Russell 3000® Index
17.41%
15.74%
14.71%
Russell 2500® Growth Index
12.62%
7.76%
10.93%

* Annualized

 

The Fund's past performance is not a good predictor of how the Fund will perform in the future. The graph and table do not reflect the deduction of taxes that a shareholder would pay on fund distributions or redemption of fund shares. Call (800) 494-2755 or visit https://conestogacapital.com/strategies/smid-cap-fund/ for updated performance information.
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.
Updated Performance Information Location [Text Block] Call (800) 494-2755 or visit https://conestogacapital.com/strategies/smid-cap-fund/ for updated performance information.
AssetsNet $ 624,459,972
Holdings Count | Holding 43
Advisory Fees Paid, Amount $ 4,821,298
InvestmentCompanyPortfolioTurnover 11.00%
Additional Fund Statistics [Text Block]

Fund Statistics 

(as of September 30, 2025)

  • Net Assets$624,459,972
  • Total Number of Portfolio Holdings43
  • Advisory Fee (net of waivers)$4,821,298
  • Portfolio Turnover Rate11%
Holdings [Text Block]

Asset Weighting (% of total investments)

(as of September 30, 2025)

Group By Asset Type Chart
Value
Value
Common Stocks
96.7%
Money Market Funds
3.3%

Sector Weighting (% of net assets)

(as of September 30, 2025)

Group By Sector Chart
Value
Value
Liabilities in Excess of Other Assets
-0.4%
Financials
1.6%
Money Market
3.3%
Real Estate
3.9%
Utilities
4.4%
Basic Materials
6.7%
Health Care
10.2%
Consumer Discretionary
11.8%
Technology
20.8%
Industrials
37.7%

Top 10 Holdings (% of net assets)

(as of September 30, 2025)

Holding Name
% of Net Assets
Casella Waste Systems, Inc. - Class A
4.4%
RBC Bearings, Inc.
4.2%
Construction Partners, Inc. - Class A
4.2%
Rollins, Inc.
4.1%
HEICO Corporation - Class A
4.0%
FirstService Corporation
3.9%
Guidewire Software, Inc.
3.8%
Descartes Systems Group, Inc. (The)
3.3%
Tyler Technologies, Inc.
3.2%
Mercury Systems, Inc.
3.0%
Material Fund Change [Text Block]

Material Fund Changes

No material changes occurred for the Fund during the Period. 
C000227602  
Shareholder Report [Line Items]  
Fund Name Conestoga Mid Cap Fund
Class Name Institutional Class
Trading Symbol CCMAX
Shareholder Report Annual or Semi-Annual Annual Shareholder Report
Material Fund Change Notice [Text Block] This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number (800) 494-2755
Expenses [Text Block]

What were the Fund’s annualized costs for the last year?

(based on a hypothetical $10,000 investment)

Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Institutional Class
$78
0.80%
Expenses Paid, Amount $ 78
Expense Ratio, Percent 0.80%
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
Conestoga Mid Cap Fund - Institutional Class
Russell 3000® Index
Russell Midcap® Growth Index
Jun-2021
$250,000
$250,000
$250,000
Sep-2021
$258,000
$249,875
$246,988
Sep-2022
$177,500
$205,829
$174,131
Sep-2023
$206,750
$247,944
$204,545
Sep-2024
$250,750
$335,204
$264,547
Sep-2025
$240,750
$393,560
$322,810
Average Annual Return [Table Text Block]

Average Annual Total Returns

(period ended September 30, 2025)

1 Year*
Since Inception (June 29, 2021)*
Conestoga Mid Cap Fund - Institutional Class
-3.99%
-0.88%
Russell 3000® Index
17.41%
11.25%
Russell Midcap® Growth Index
22.02%
6.19%

* Annualized

 

The Fund's past performance is not a good predictor of how the Fund will perform in the future. The graph and table do not reflect the deduction of taxes that a shareholder would pay on fund distributions or redemption of fund shares. Call (800) 494-2755 or visit https://conestogacapital.com/strategies/mid-cap-fund/ for updated performance information.
Performance Inception Date Jun. 29, 2021
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.
Updated Performance Information Location [Text Block] Call (800) 494-2755 or visit https://conestogacapital.com/strategies/mid-cap-fund/ for updated performance information.
AssetsNet $ 3,297,539
Holdings Count | Holding 34
Advisory Fees Paid, Amount $ 0
InvestmentCompanyPortfolioTurnover 11.00%
Additional Fund Statistics [Text Block]

Fund Statistics 

(as of September 30, 2025)

  • Net Assets$3,297,539
  • Total Number of Portfolio Holdings34
  • Advisory Fee (net of waivers)$0
  • Portfolio Turnover Rate11%
Holdings [Text Block]

Asset Weighting (% of total investments)

(as of September 30, 2025)

Group By Asset Type Chart
Value
Value
Common Stocks
95.1%
Money Market Funds
4.9%

Sector Weighting (% of net assets)

(as of September 30, 2025)

Group By Sector Chart
Value
Value
Liabilities in Excess of Other Assets
-0.9%
Real Estate
3.7%
Utilities
4.3%
Money Market
5.0%
Consumer Discretionary
18.1%
Health Care
18.4%
Technology
20.5%
Industrials
30.9%

Top 10 Holdings (% of net assets)

(as of September 30, 2025)

Holding Name
% of Net Assets
Rollins, Inc.
5.7%
HEICO Corporation - Class A
5.5%
Waste Connections, Inc.
4.3%
IDEXX Laboratories, Inc.
4.3%
Veeva Systems, Inc. - Class A
4.1%
Verisk Analytics, Inc.
4.1%
Tyler Technologies, Inc.
4.0%
Copart, Inc.
3.8%
CoStar Group, Inc.
3.7%
Guidewire Software, Inc.
3.5%
Material Fund Change [Text Block]

Material Fund Changes

On November 19, 2025, the Board decided to close and liquidate the Conestoga Mid Cap Fund, following the Adviser’s recommendation. The Fund will cease accepting orders for new shares after the close of business on November 24, 2025, and will be fully liquidated on or around January 31, 2026. At that time, all assets will be distributed in cash to shareholders, and all shares will be redeemed and cancelled. Until the liquidation, proceeds from the sale of portfolio securities will be invested in cash equivalents or held in cash, potentially impacting the Fund's ability to meet its investment objective.
C000227603  
Shareholder Report [Line Items]  
Fund Name Conestoga Mid Cap Fund
Class Name Investors Class
Trading Symbol CCMMX
Shareholder Report Annual or Semi-Annual Annual Shareholder Report
Material Fund Change Notice [Text Block] This report describes changes to the Fund that occurred during the reporting period.
Additional Information Phone Number (800) 494-2755
Expenses [Text Block]

What were the Fund’s annualized costs for the last year?

(based on a hypothetical $10,000 investment)

Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Investors Class
$103
1.05%
Expenses Paid, Amount $ 103
Expense Ratio, Percent 1.05%
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
Conestoga Mid Cap Fund - Investors Class
Russell 3000® Index
Russell Midcap® Growth Index
Jun-2021
$10,000
$10,000
$10,000
Sep-2021
$10,310
$9,995
$9,880
Sep-2022
$7,080
$8,233
$6,965
Sep-2023
$8,230
$9,918
$8,182
Sep-2024
$9,950
$13,408
$10,582
Sep-2025
$9,530
$15,742
$12,912
Average Annual Return [Table Text Block]

Average Annual Total Returns

(period ended September 30, 2025)

1 Year*
Since Inception (June 29, 2021)*
Conestoga Mid Cap Fund - Investors Class
-4.22%
-1.13%
Russell 3000® Index
17.41%
11.25%
Russell Midcap® Growth Index
22.02%
6.19%

* Annualized

 

The Fund's past performance is not a good predictor of how the Fund will perform in the future. The graph and table do not reflect the deduction of taxes that a shareholder would pay on fund distributions or redemption of fund shares. Call (800) 494-2755 or visit https://conestogacapital.com/strategies/mid-cap-fund/ for updated performance information.
Performance Inception Date Jun. 29, 2021
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.
Updated Performance Information Location [Text Block] Call (800) 494-2755 or visit https://conestogacapital.com/strategies/mid-cap-fund/ for updated performance information.
AssetsNet $ 3,297,539
Holdings Count | Holding 34
Advisory Fees Paid, Amount $ 0
InvestmentCompanyPortfolioTurnover 11.00%
Additional Fund Statistics [Text Block]

Fund Statistics 

(as of September 30, 2025)

  • Net Assets$3,297,539
  • Total Number of Portfolio Holdings34
  • Advisory Fee (net of waivers)$0
  • Portfolio Turnover Rate11%
Holdings [Text Block]

Asset Weighting (% of total investments)

(as of September 30, 2025)

Group By Asset Type Chart
Value
Value
Common Stocks
95.1%
Money Market Funds
4.9%

Sector Weighting (% of net assets)

(as of September 30, 2025)

Group By Sector Chart
Value
Value
Liabilities in Excess of Other Assets
-0.9%
Real Estate
3.7%
Utilities
4.3%
Money Market
5.0%
Consumer Discretionary
18.1%
Health Care
18.4%
Technology
20.5%
Industrials
30.9%

Top 10 Holdings (% of net assets)

(as of September 30, 2025)

Holding Name
% of Net Assets
Rollins, Inc.
5.7%
HEICO Corporation - Class A
5.5%
Waste Connections, Inc.
4.3%
IDEXX Laboratories, Inc.
4.3%
Veeva Systems, Inc. - Class A
4.1%
Verisk Analytics, Inc.
4.1%
Tyler Technologies, Inc.
4.0%
Copart, Inc.
3.8%
CoStar Group, Inc.
3.7%
Guidewire Software, Inc.
3.5%
Material Fund Change [Text Block]

Material Fund Changes

On November 19, 2025, the Board decided to close and liquidate the Conestoga Mid Cap Fund, following the Adviser’s recommendation. The Fund will cease accepting orders for new shares after the close of business on November 24, 2025, and will be fully liquidated on or around January 31, 2026. At that time, all assets will be distributed in cash to shareholders, and all shares will be redeemed and cancelled. Until the liquidation, proceeds from the sale of portfolio securities will be invested in cash equivalents or held in cash, potentially impacting the Fund's ability to meet its investment objective.
C000232594  
Shareholder Report [Line Items]  
Fund Name Conestoga Discovery Fund
Class Name Institutional Class
Trading Symbol CMIRX
Shareholder Report Annual or Semi-Annual Annual Shareholder Report
Additional Information Phone Number (800) 494-2755
Expenses [Text Block]

What were the Fund’s annualized costs for the last year?

(based on a hypothetical $10,000 investment)

Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Institutional Class
$144
1.25%
Expenses Paid, Amount $ 144
Expense Ratio, Percent 1.25%
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
Conestoga Discovery Fund - Institutional Class
Russell 3000® Index
Russell Microcap® Growth Index
Nov-2018
$250,000
$250,000
$249,999
Sep-2019
$270,213
$272,292
$228,531
Sep-2020
$372,904
$313,139
$290,702
Sep-2021
$519,635
$412,953
$413,116
Sep-2022
$355,162
$340,161
$260,047
Sep-2023
$318,993
$409,761
$251,975
Sep-2024
$368,223
$553,971
$318,444
Sep-2025
$479,243
$650,412
$423,747
Average Annual Return [Table Text Block]

Average Annual Total Returns

(period ended September 30, 2025)

1 Year*
5 Years*
Since Inception (November 30, 2018)**
Conestoga Discovery Fund - Institutional Class
30.15%
5.15%
9.99%
Russell 3000® Index
17.41%
15.74%
15.02%
Russell Microcap® Growth Index
33.08%
7.83%
8.03%

The Fund's past performance is not a good predictor of how the Fund will perform in the future. The graph and table do not reflect the deduction of taxes that a shareholder would pay on fund distributions or redemption of fund shares. Call (800) 494-2755 or visit https://conestogacapital.com/strategies/discovery-fund/ for updated performance information.
Performance Inception Date Nov. 30, 2018
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.
Updated Performance Information Location [Text Block] Call (800) 494-2755 or visit https://conestogacapital.com/strategies/discovery-fund/ for updated performance information.
AssetsNet $ 5,331,977
Holdings Count | Holding 31
Advisory Fees Paid, Amount $ 0
InvestmentCompanyPortfolioTurnover 31.00%
Additional Fund Statistics [Text Block]

Fund Statistics 

(as of September 30, 2025)

  • Net Assets$5,331,977
  • Total Number of Portfolio Holdings31
  • Advisory Fee (net of waivers)$0
  • Portfolio Turnover Rate31%
Holdings [Text Block]

Asset Weighting (% of total investments)

(as of September 30, 2025)

Group By Asset Type Chart
Value
Value
Common Stocks
95.2%
Money Market Funds
4.8%

Sector Weighting (% of net assets)

(as of September 30, 2025)

Group By Sector Chart
Value
Value
Liabilities in Excess of Other Assets
-0.8%
Telecommunications
3.4%
Financials
3.7%
Money Market
4.8%
Consumer Discretionary
5.7%
Consumer Staples
7.8%
Technology
18.3%
Health Care
23.5%
Industrials
33.6%

Top 10 Holdings (% of net assets)

(as of September 30, 2025)

Holding Name
% of Net Assets
Planet Labs PBC - Class A
7.7%
Universal Technical Institute, Inc.
4.9%
Mama's Creations, Inc.
4.3%
Bowman Consulting Group Ltd.
4.3%
I3 Verticals, Inc. - Class A
4.0%
Willdan Group, Inc.
3.9%
Vericel Corporation
3.9%
Palomar Holdings, Inc.
3.7%
Energy Recovery, Inc.
3.6%
iRadimed Corporation
3.5%
Material Fund Change [Text Block]

Material Fund Changes

No material changes occurred for the Fund during the Period. 
C000232593  
Shareholder Report [Line Items]  
Fund Name Conestoga Discovery Fund
Class Name Investors Class
Trading Symbol CMCMX
Shareholder Report Annual or Semi-Annual Annual Shareholder Report
Additional Information Phone Number (800) 494-2755
Expenses [Text Block]

What were the Fund’s annualized costs for the last year?

(based on a hypothetical $10,000 investment)

Class Name
Costs of a $10,000 investment
Costs paid as a percentage of a $10,000 investment
Investors Class
$172
1.50%
Expenses Paid, Amount $ 172
Expense Ratio, Percent 1.50%
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
Conestoga Discovery Fund - Investors Class
Russell 3000® Index
Russell Microcap® Growth Index
Nov-2018
$10,000
$10,000
$9,999
Sep-2019
$10,786
$10,892
$9,141
Sep-2020
$14,848
$12,526
$11,627
Sep-2021
$20,638
$16,518
$16,524
Sep-2022
$14,059
$13,606
$10,401
Sep-2023
$12,603
$16,390
$10,079
Sep-2024
$14,517
$22,159
$12,737
Sep-2025
$18,864
$26,016
$16,949
Average Annual Return [Table Text Block]

Average Annual Total Returns

(period ended September 30, 2025)

1 Year*
5 Years*
Since Inception (November 30, 2018)**
Conestoga Discovery Fund - Investors Class
29.95%
4.91%
9.73%
Russell 3000® Index
17.41%
15.74%
15.02%
Russell Microcap® Growth Index
33.08%
7.83%
8.03%

The Fund's past performance is not a good predictor of how the Fund will perform in the future. The graph and table do not reflect the deduction of taxes that a shareholder would pay on fund distributions or redemption of fund shares. Call (800) 494-2755 or visit https://conestogacapital.com/strategies/discovery-fund/ for updated performance information.
Performance Inception Date Nov. 30, 2018
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.
Updated Performance Information Location [Text Block] Call (800) 494-2755 or visit https://conestogacapital.com/strategies/discovery-fund/ for updated performance information.
AssetsNet $ 5,331,977
Holdings Count | Holding 31
Advisory Fees Paid, Amount $ 0
InvestmentCompanyPortfolioTurnover 31.00%
Additional Fund Statistics [Text Block]

Fund Statistics 

(as of September 30, 2025)

  • Net Assets$5,331,977
  • Total Number of Portfolio Holdings31
  • Advisory Fee (net of waivers)$0
  • Portfolio Turnover Rate31%
Holdings [Text Block]

Asset Weighting (% of total investments)

(as of September 30, 2025)

Group By Asset Type Chart
Value
Value
Common Stocks
95.2%
Money Market Funds
4.8%

Sector Weighting (% of net assets)

(as of September 30, 2025)

Group By Sector Chart
Value
Value
Liabilities in Excess of Other Assets
-0.8%
Telecommunications
3.4%
Financials
3.7%
Money Market
4.8%
Consumer Discretionary
5.7%
Consumer Staples
7.8%
Technology
18.3%
Health Care
23.5%
Industrials
33.6%

Top 10 Holdings (% of net assets)

(as of September 30, 2025)

Holding Name
% of Net Assets
Planet Labs PBC - Class A
7.7%
Universal Technical Institute, Inc.
4.9%
Mama's Creations, Inc.
4.3%
Bowman Consulting Group Ltd.
4.3%
I3 Verticals, Inc. - Class A
4.0%
Willdan Group, Inc.
3.9%
Vericel Corporation
3.9%
Palomar Holdings, Inc.
3.7%
Energy Recovery, Inc.
3.6%
iRadimed Corporation
3.5%
Material Fund Change [Text Block]

Material Fund Changes

No material changes occurred for the Fund during the Period.