XML 34 R27.htm IDEA: XBRL DOCUMENT
v3.24.2.u1

Description of Business and Basis of Presentation - Additional Information (Detail) | 6 Months Ended
--- | ---
Jun. 30, 2024
Description of Organization and Business Operations [Line Items] |
Incorporation date of entity | Feb. 25, 2021
PKLP [Member] |
Description of Organization and Business Operations [Line Items] |
Percentage of non-voting economic interest | 56.60%
Percentage of non-voting economic interest by parent | 43.40%

X
- Definition Date when an entity was incorporated + References No definition available. + Details
Name: | dei_EntityIncorporationDateOfIncorporation
Namespace Prefix: | dei_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Description Of Organization And Business Operations Line Items + References No definition available. + Details
Name: | prok_DescriptionOfOrganizationAndBusinessOperationsLineItems
Namespace Prefix: | prok_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage Of Non Voting Economic Interest + References No definition available. + Details
Name: | prok_PercentageOfNonVotingEconomicInterest
Namespace Prefix: | prok_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage Of Non Voting Economic Interest By Parent + References No definition available. + Details
Name: | prok_PercentageOfNonVotingEconomicInterestByParent
Namespace Prefix: | prok_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=prok_PklpMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |