v3.26.1
Commitments and Contingencies - Narrative (Details)
$ in Millions
Jun. 30, 2026
USD ($)
Commitments and Contingencies Disclosure [Abstract]
Total leasing commitment
$ 42.8
X
- Definition
Lessor, Operating Lease, Restricted Cash Included In Commitment Outstanding
+ References
No definition available.
+ Details
Name:
onl_LessorOperatingLeaseRestrictedCashIncludedInCommitmentOutstanding
Namespace Prefix:
onl_
Data Type:
xbrli:monetaryItemType
Balance Type:
credit
Period Type:
instant
X
- References
No definition available.
+ Details
Name:
us-gaap_CommitmentsAndContingenciesDisclosureAbstract
Namespace Prefix:
us-gaap_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration