Operating Leases - Additional Information (Details) € in Millions |
1 Months Ended | 12 Months Ended | |
---|---|---|---|
Jul. 31, 2019
EUR (€)
m²
RenewalTerm
|
Mar. 31, 2019 |
Dec. 31, 2021 |
|
Lessee Lease Description [Line Items] | |||
Extended lease term | 1 year 6 months | ||
Operating lease, description | Merus N.V. has non-cancellable operating leases for its corporate headquarters in Utrecht, the Netherlands. During the year ended December 31, 2021, the Company signed a lease amendment (the “Amendment”), which extended the lease term by approximately 1.5 years ending at the end of March 2023. The Amendment did not include additional right-of-use other than the extended lease term. | ||
Operating lease, expiration period | March 2023 | ||
Additional renewal term | no | ||
Scenario Plan [Member] | Kadans Science Partner XII BV | Office Building | |||
Lessee Lease Description [Line Items] | |||
Extended lease term | 10 years | ||
Area of property available for operating lease | m² | 5,070 | ||
Operating lease, renewal term | 5 years | ||
Operating lease, number of renewal term | RenewalTerm | 2 | ||
Operating lease, termination term | 20 years | ||
Operating lease, estimated rent expense | € | € 1.3 | ||
Operating lease, rent adjustment description | The rent amount is subject to adjustment based on the consumer price index (the “CPI”) beginning on January 1, 2019 through the completion date and then annually thereafter, subject to certain limitations if the CPI is greater than 3.0%. | ||
Scenario Plan [Member] | Kadans Science Partner XII BV | Minimum | Office Building | |||
Lessee Lease Description [Line Items] | |||
Consumer price Index | 3.00% | ||
Merus US Inc | |||
Lessee Lease Description [Line Items] | |||
Extended lease term | 7 years | ||
Operating lease, description | Merus US, Inc. entered into a non-cancellable operating lease agreement for office space in Cambridge, Massachusetts. The lease commenced in the second quarter of 2019 and has a term of seven years, and may be extended for another five years. Given the Company’s current plans, the renewal term has not been included in the estimate of the lease term. | ||
Operating lease, extended term of agreement | 5 years | ||
Operating lease, option to extend | true | ||
Operating lease, options to extend description | may be extended for another five years. |