Commitments and Contingencies - Schedule of Minimum Lease Payments, Net of Reimbursements, under Operating Leases (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Commitments and Contingencies Disclosure [Abstract]
2023	$ (636)
2024	1,814
2025	1,869
2026	1,925
2027	1,983
Thereafter	9,495
Total lease payments	16,450
Less: Present Value Adjustment	(3,751)
Present value of lease payments	$ 12,699	$ 13,976

Lessee operating lease liability payments, net of reimbursements, due next twelve months.

No definition available.

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Definition

Lessee operating lease liability payments, net of reimbursements, due year four.

+ References

No definition available.

+ Details

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- Definition

Lessee operating lease liability payments, net of reimbursements, due year three.

+ References

No definition available.

+ Details

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- Definition

Lessee operating lease liability payments, net of reimbursements, due year two.

+ References

No definition available.

+ Details

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- Definition

Lessee operating lease liability payments, net of reimbursements, remainder of fiscal year.

+ References

No definition available.

+ Details

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Namespace Prefix:	pmvp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- Definition

Lessee operating lease liability payments, net of repayments, due.

+ References

No definition available.

+ Details

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Namespace Prefix:	pmvp_
Data Type:	xbrli:monetaryItemType
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- Definition

Lessee operating lease liability to be paid, net of repayments, after year four.

+ References

No definition available.

+ Details

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Namespace Prefix:	pmvp_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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- References

No definition available.

+ Details

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Balance Type:	na
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- Definition

Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147478964/842-20-50-6

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479041/842-20-45-1

+ Details

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