Expense Example	May 01, 2026 USD ($)
Paradigm Value Fund \| Paradigm Value Fund Shares
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	$ 128
Expense Example, with Redemption, 3 Years	400
Expense Example, with Redemption, 5 Years	692
Expense Example, with Redemption, 10 Years	1,523
Paradigm Select Fund \| Paradigm Select Fund Shares
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	118
Expense Example, with Redemption, 3 Years	368
Expense Example, with Redemption, 5 Years	638
Expense Example, with Redemption, 10 Years	1,409
Paradigm Micro-Cap Fund \| Paradigm Micro-Cap Fund Shares
Prospectus [Line Items]
Expense Example, with Redemption, 1 Year	128
Expense Example, with Redemption, 3 Years	400
Expense Example, with Redemption, 5 Years	692
Expense Example, with Redemption, 10 Years	$ 1,523

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Form N-1A
-Section 3
-Subsection instruction
-Paragraph 4

Name:	oef_ExpenseExampleYear01
Namespace Prefix:	oef_
Data Type:	dtr-types:nonNegativeMonetaryItemType
Balance Type:	na
Period Type:	duration

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Form N-1A
-Section 3
-Subsection instruction
-Paragraph 4

Name:	oef_ExpenseExampleYear03
Namespace Prefix:	oef_
Data Type:	dtr-types:nonNegativeMonetaryItemType
Balance Type:	na
Period Type:	duration

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Form N-1A
-Section 3
-Subsection instruction
-Paragraph 4

Name:	oef_ExpenseExampleYear05
Namespace Prefix:	oef_
Data Type:	dtr-types:nonNegativeMonetaryItemType
Balance Type:	na
Period Type:	duration

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Form N-1A
-Section 3
-Subsection instruction
-Paragraph 4

Name:	oef_ExpenseExampleYear10
Namespace Prefix:	oef_
Data Type:	dtr-types:nonNegativeMonetaryItemType
Balance Type:	na
Period Type:	duration

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Form N-1A
-Section 1
-Subsection a

Name:	dei_LegalEntityAxis=paradigm_S000005314Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	oef_ClassAxis=paradigm_C000014505Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	dei_LegalEntityAxis=paradigm_S000005316Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	oef_ClassAxis=paradigm_C000014507Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	dei_LegalEntityAxis=paradigm_S000020362Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	oef_ClassAxis=paradigm_C000057148Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: