SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Principles of Consolidation (Details)	12 Months Ended
Aug. 31, 2022 subsidiary
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
Number of wholly-owned and controlled subsidiaries	2

Number of wholly-owned and controlled subsidiaries.

No definition available.

Name:	pcyo_NumberOfWhollyOwnedAndControlledSubsidiaries
Namespace Prefix:	pcyo_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration