Orion Office REIT Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Debt, Net - Credit Agreement (Details)

Debt, Net - Credit Agreement (Details)			6 Months Ended
Debt, Net - Credit Agreement (Details)	Jun. 29, 2023 USD ($) qtr	Nov. 12, 2021 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Aug. 09, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 01, 2022 USD ($)	Feb. 28, 2022 USD ($)	Feb. 10, 2022 USD ($)
Debt Instrument [Line Items]
Debt instrument, term			3 years 4 months 24 days
Repayments of term loans			$ 175,000,000	$ 0
Proceeds from credit facility revolver			175,000,000	$ 70,000,000
Interest Rate Swap
Debt Instrument [Line Items]
Derivative, notional amount							$ 175,000,000
Senior term loan \| Credit facility term loan, net
Debt Instrument [Line Items]
Debt instrument, term		2 years
Borrowing capacity		$ 175,000,000
Repayments of term loans	$ 175,000,000
Optional term extension period	18 months
Mortgages payable \| CMBS Loan
Debt Instrument [Line Items]
Debt instrument, face amount								$ 355,000,000	$ 355,000,000
Revolving Credit Facility
Debt Instrument [Line Items]
Credit facilities			175,000,000			$ 0
Commitment fee percentage	0.25%
Revolving Credit Facility \| Subsequent Event
Debt Instrument [Line Items]
Escrow deposit					$ 28,000,000
Revolving Credit Facility \| Interest Rate Swap \| Subsequent Event
Debt Instrument [Line Items]
Borrowing capacity					$ 175,000,000
Revolving Credit Facility \| 3.92%, due November 12, 2023
Debt Instrument [Line Items]
Debt instrument, face amount						$ 175,000,000
Effective interest rate percentage						3.92%
Revolving Credit Facility \| 3.92%, due November 12, 2023 \| Interest Rate Swap
Debt Instrument [Line Items]
Derivative, notional amount						$ 175,000,000
Revolving Credit Facility \| Line of Credit
Debt Instrument [Line Items]
Debt instrument, term		3 years
Borrowing capacity		$ 425,000,000
Credit facilities			175,000,000
Remaining borrowing capacity			250,000,000
Unrestricted cash and cash equivalents	$ 25,000,000
Covenant, total debt to total asset value, maximum	0.60
Covenant, adjusted EBITDA to fixed charges, minimum	1.50
Covenant, secured debt to total asset value, maximum	0.40
Covenant, unsecured debt to unencumbered asset value, maximum	0.60
Covenant, unencumbered real properties to unsecured interest expense, minimum	2.00
Covenant, unencumbered asset value, minimum	$ 600,000,000
Covenant, unsecured debt to total unencumbered assets, threshold	0.35
Covenant measurement period - number of consecutive quarters \| qtr	2
Period within which to grant administrative agent a first priority lien on all property included in pool	90 days
Revolving Credit Facility \| Line of Credit \| SOFR
Debt Instrument [Line Items]
Variable rate	0.10%
Revolving Credit Facility \| Line of Credit \| Term SOFR
Debt Instrument [Line Items]
Variable rate	3.25%
Revolving Credit Facility \| Line of Credit \| Base Rate
Debt Instrument [Line Items]
Variable rate	2.25%
Revolving Credit Facility \| Letter of Credit
Debt Instrument [Line Items]
Borrowing capacity		$ 25,000,000	$ 25,000,000
Bridge Facility \| Line of Credit
Debt Instrument [Line Items]
Debt instrument, term		6 months
Borrowing capacity		$ 355,000,000