XML 33 R22.htm IDEA: XBRL DOCUMENT
v3.22.1

Commitments (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2022
Operating Lease, until June 30, 2023 |
Schedule of Future Minimum Annual Lease Payments Under Lease | Future minimum annual lease payments under the Lease at March 31, 2022 is as follows:
(in thousands) |  |  |  |
2022 (remaining) |  | $ | 1,377 |
2023 |  |  | 964 |
Total undiscounted lease payments |  |  | 2,341 |
Less imputed interest |  |  | (92 | )
Current and noncurrent lease liability |  | $ | 2,249 |
Chestnut Run Lease |
Schedule of Future Minimum Annual Lease Payments Under Lease | The estimated rent payments due for the remainder of 2022 along with each of the next five years and thereafter is as follows:
(in thousands) |  |  |  |
2022 (remaining 9 months) |  | $ | - |
2023 |  |  | 140 |
2024 |  |  | 1,873 |
2025 |  |  | 2,326 |
2026 |  |  | 2,384 |
2027 |  |  | 2,444 |
Thereafter |  |  | 24,670 |

X
- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918701-209980 + Details
Name: | us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_LeaseContractualTermAxis=prld_OperatingLeaseUntilJune302023Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LeaseContractualTermAxis=prld_ChestnutRunLeaseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |