XML 48 R38.htm IDEA: XBRL DOCUMENT
v3.25.1

Fair Value Measurements - Additional Information (Details) | 3 Months Ended
--- | ---
Mar. 31, 2025
Fair Value Disclosures [Abstract] |
Remaining contractual maturities for available-for-sale securities | one month to seventeen months

X
- Definition Debt Securities Available For Sale Remaining Contractual Maturities period. + References No definition available. + Details
Name: | om_DebtSecuritiesAvailableForSaleRemainingContractualMaturitiesPeriod
Namespace Prefix: | om_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_FairValueDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration