Debt Instrument, Amount Available After Tranche One

No definition available.

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Namespace Prefix:	plrx_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Debt Instrument, Number Of Tranches

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Instrument, Tranche One Amount Undrawn

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

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+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Balance Type:	na
Period Type:	instant

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of the cost of borrowed funds accounted for as interest expense.

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+ Details

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Balance Type:	debit
Period Type:	duration

- Definition

The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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Balance Type:	debit
Period Type:	duration

- Details

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- Details

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Long-term Debt - Narrative (Details)	1 Months Ended	3 Months Ended
Long-term Debt - Narrative (Details)	May 31, 2022 USD ($) tranche	Mar. 31, 2023 USD ($)	Mar. 31, 2022 USD ($)
Debt Instrument [Line Items]
Interest expense		$ 311,000	$ 0
Loan Agreement \| Term Loan Facility
Debt Instrument [Line Items]
Term loan facility	$ 100,000,000
Proceeds from term loan, net of issuance costs		$ 10,000,000
Amount available after tranche one	$ 50,000,000
Number of tranches \| tranche	2
Effective interest rate for the term loan		12.69%	12.69%
Interest expense		$ 300,000
Loan Agreement \| Term Loan Facility \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Debt Instrument [Line Items]
Loan agreement interest rate	8.50%
Loan Agreement \| Term Loan Facility \| Debt Draw, Tranche One
Debt Instrument [Line Items]
Tranche one amount undrawn	$ 40,000,000
Loan Agreement \| Term Loan Facility \| Debt Draw, Tranche Two
Debt Instrument [Line Items]
Term loan facility	25,000,000
Tranche one amount undrawn	40,000,000
Loan Agreement \| Term Loan Facility \| Debt Draw, Tranche Three
Debt Instrument [Line Items]
Term loan facility	$ 25,000,000