Document and Entity Information	Total
Risk/Return:
Document Type	485BPOS
Document Period End Date	Sep. 30, 2019
Entity Registrant Name	CONESTOGA FUNDS
Entity Central Index Key	0001175813
Entity Inv Company Type	N-1A
Amendment Flag	false
Document Creation Date	Jan. 28, 2020
Document Effective Date	Jan. 31, 2020
Prospectus Date	Jan. 31, 2020