$ONL
Orion Office REIT Inc. Stock $onl

$onl Overview Financials Valuation SEC Filings Company Website

2024 Q1 Form 10-K Financial Statement

#000187392324000008 Filed on February 27, 2024

Income Statement

Concept	2024 Q1	2023 Q4	2023 Q3
Revenue	$47.20M	$43.55M	$49.08M
YoY Change	-5.96%	-13.07%	-5.2%
Cost Of Revenue	$16.00M	$14.45M	$15.51M
YoY Change	4.27%	-8.26%	1.35%
Gross Profit	$31.00M	$29.11M	$33.37M
YoY Change	-10.54%	-15.27%	-8.01%
Gross Profit Margin	65.67%	66.83%	68.0%
Selling, General & Admin	$4.949M	$5.479M	$4.370M
YoY Change	14.85%	23.74%	-6.46%
% of Gross Profit	15.97%	18.82%	13.1%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$24.50M	$26.06M	$27.01M
YoY Change	-13.0%	-14.55%	-17.37%
% of Gross Profit	79.06%	89.52%	80.95%
Operating Expenses	$48.98M	$37.40M	$42.34M
YoY Change	35.32%	-20.46%	-48.45%
Operating Profit	-$17.98M	-$8.292M	-$8.970M
YoY Change	1062.18%	-34.52%	-80.44%
Interest Expense	-$8.060M	-$7.837M	-$7.290M
YoY Change	14.13%	2.74%	-7.39%
% of Operating Profit
Other Income/Expense, Net	-$8.099M		-$7.033M
YoY Change	12.08%		0.89%
Pretax Income	-$26.15M	-$16.26M	-$16.35M
YoY Change	200.08%	-15.62%	-69.08%
Income Tax	$77.00K	-$49.00K	$160.0K
% Of Pretax Income
Net Earnings	-$26.23M	-$16.17M	-$16.52M
YoY Change	195.24%	-14.77%	-68.86%
Net Earnings / Revenue	-55.58%	-37.12%	-33.66%
Basic Earnings Per Share	-$0.47		-$0.29
Diluted Earnings Per Share	-$0.47	-$0.29	-$0.29
COMMON SHARES
Basic Shares Outstanding	55.78M shares	55.78M shares	56.70M shares
Diluted Shares Outstanding	55.80M shares		56.54M shares

Balance Sheet

Concept	2024 Q1	2023 Q4	2023 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$23.62M	$22.47M	$32.30M
YoY Change	-0.58%	8.89%	38.73%
Cash & Equivalents	$23.62M	$22.47M	$32.29M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables	$24.94M	$24.66M	$26.90M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$48.56M	$47.14M	$59.20M
YoY Change	0.22%	11.49%	30.96%
LONG-TERM ASSETS
Property, Plant & Equipment	$1.163B	$1.188B	$1.202B
YoY Change	-6.96%	-5.67%	-6.1%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments	$12.97M	$13.55M	$14.12M
YoY Change	-15.1%	-14.38%	-14.63%
Other Assets	$46.13M	$43.74M	$82.40M
YoY Change	1.96%	1.48%	70.95%
Total Long-Term Assets	$1.337B	$1.377B	$1.445B
YoY Change	-10.78%	-9.94%	-8.32%
TOTAL ASSETS
Total Short-Term Assets	$48.56M	$47.14M	$59.20M
Total Long-Term Assets	$1.337B	$1.377B	$1.445B
Total Assets	$1.386B	$1.424B	$1.504B
YoY Change	-10.43%	-9.37%	-7.23%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$14.20M	$16.56M	$13.40M
YoY Change	1224.63%	823.76%	1337.77%
Accrued Expenses	$9.532M	$13.92M	$17.20M
YoY Change	-49.53%	-42.89%	-18.51%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$29.32M	$36.06M	$36.20M
YoY Change	14.42%	13.3%	30.68%
LONG-TERM LIABILITIES
Long-Term Debt	$469.0M	$468.9M	$527.7M
YoY Change	-10.91%	-10.86%	-5.17%
Other Long-Term Liabilities	$31.22M	$32.02M	$31.30M
YoY Change	-10.32%	-14.41%	-14.7%
Total Long-Term Liabilities	$500.2M	$500.9M	$559.0M
YoY Change	-10.88%	-11.1%	-5.76%
TOTAL LIABILITIES
Total Short-Term Liabilities	$29.32M	$36.06M	$36.20M
Total Long-Term Liabilities	$500.2M	$500.9M	$559.0M
Total Liabilities	$529.6M	$536.9M	$595.1M
YoY Change	-9.77%	-9.79%	-4.15%
SHAREHOLDERS EQUITY
Retained Earnings	-$290.7M	-$258.8M	-$237.0M
YoY Change	50.23%	44.66%	53.64%
Common Stock	$56.00K	$56.00K	$56.00K
YoY Change	-1.75%	-1.75%	-1.75%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$854.6M	$885.6M	$907.8M
YoY Change
Total Liabilities & Shareholders Equity	$1.386B	$1.424B	$1.504B
YoY Change	-10.43%	-9.37%	-7.23%

Cashflow Statement

Concept	2024 Q1	2023 Q4	2023 Q3
OPERATING ACTIVITIES
Net Income	-$26.23M	-$16.17M	-$16.52M
YoY Change	195.24%	-14.77%	-68.86%
Depreciation, Depletion And Amortization	$24.50M	$26.06M	$27.01M
YoY Change	-13.0%	-14.55%	-17.37%
Cash From Operating Activities	$11.02M	$19.50M	$25.70M
YoY Change	-3.66%	-31.13%	-24.68%
INVESTING ACTIVITIES
Capital Expenditures	$4.412M	$5.696M	$6.000M
YoY Change	40.6%	34.59%	-251.4%
Acquisitions
YoY Change
Other Investing Activities	$661.0K	$7.833M	$14.30M
YoY Change	-1.49%	-21.84%	-26.16%
Cash From Investing Activities	-$3.751M	$2.137M	$8.300M
YoY Change	52.05%	-63.09%	-46.11%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-$5.826M	-64.63M	-10.70M
YoY Change	-0.31%	73.65%	-76.57%
NET CHANGE
Cash From Operating Activities	$11.02M	19.50M	25.70M
Cash From Investing Activities	-$3.751M	2.137M	8.300M
Cash From Financing Activities	-$5.826M	-64.63M	-10.70M
Net Change In Cash	$1.445M	-43.00M	23.30M
YoY Change	-53.83%	1279.91%	503.31%
FREE CASH FLOW
Cash From Operating Activities	$11.02M	$19.50M	$25.70M
Capital Expenditures	$4.412M	$5.696M	$6.000M
Free Cash Flow	$6.610M	$13.80M	$19.70M
YoY Change	-20.39%	-42.68%	-48.27%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2023	us-gaap	Profit Loss ProfitLoss	-57311000	usd
CY2023	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-9000	usd
CY2022	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-524000	usd
CY2022	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-28588000	usd
CY2021	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-8105000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-56855000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-97262000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-47307000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	212000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	157000	usd
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	56626000	shares
CY2023	dei	Entity Central Index Key EntityCentralIndexKey	0001873923
CY2023	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2023
CY2023	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2023	dei	Amendment Flag AmendmentFlag	false
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherAssets
CY2023Q4	us-gaap	Finance Lease Right Of Use Asset Statement Of Financial Position Extensible List FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherAssets
CY2022Q4	us-gaap	Finance Lease Right Of Use Asset Statement Of Financial Position Extensible List FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherAssets
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherAssets
CY2021	us-gaap	Impairment Long Lived Asset Held For Use Statement Of Income Or Comprehensive Income Extensible Enumeration ImpairmentLongLivedAssetHeldForUseStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration	http://fasb.org/us-gaap/2023#ImpairmentOfRealEstate
CY2023Q4	us-gaap	Derivative Liability Statement Of Financial Position Extensible Enumeration DerivativeLiabilityStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2023#OtherLiabilities
CY2023Q4	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherLiabilities
CY2023	dei	Document Annual Report DocumentAnnualReport	true
CY2023	dei	Document Period End Date DocumentPeriodEndDate	2023-12-31
CY2023	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2023	dei	Document Transition Report DocumentTransitionReport	false
CY2023	dei	Entity File Number EntityFileNumber	001-40873
CY2023	dei	Entity Registrant Name EntityRegistrantName	Orion Office REIT Inc.
CY2023	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MD
CY2023	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	87-1656425
CY2023	dei	Entity Address Address Line1 EntityAddressAddressLine1	2398 E. Camelback Road, Suite 1060
CY2023	dei	Entity Address City Or Town EntityAddressCityOrTown	Phoenix
CY2023	dei	Entity Address State Or Province EntityAddressStateOrProvince	AZ
CY2023	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	85016
CY2023	dei	City Area Code CityAreaCode	(602)
CY2023	dei	Local Phone Number LocalPhoneNumber	698-1002
CY2023	dei	Security12b Title Security12bTitle	Common Stock
CY2023	dei	Trading Symbol TradingSymbol	ONL
CY2023	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2023	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2023	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2023	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2023	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2023	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
CY2023	dei	Entity Small Business EntitySmallBusiness	false
CY2023	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	true
CY2023	dei	Entity Ex Transition Period EntityExTransitionPeriod	false
CY2023	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	false
CY2023	dei	Document Fin Stmt Error Correction Flag DocumentFinStmtErrorCorrectionFlag	false
CY2023	dei	Entity Shell Company EntityShellCompany	false
CY2023Q2	dei	Entity Public Float EntityPublicFloat	374200000	usd
CY2024Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	55783548	shares
CY2023Q4	ecd	Rule10b51 Arr Adopted Flag Rule10b51ArrAdoptedFlag	false
CY2023Q4	ecd	Non Rule10b51 Arr Adopted Flag NonRule10b51ArrAdoptedFlag	false
CY2023Q4	ecd	Rule10b51 Arr Trmntd Flag Rule10b51ArrTrmntdFlag	false
CY2023Q4	ecd	Non Rule10b51 Arr Trmntd Flag NonRule10b51ArrTrmntdFlag	false
CY2023	dei	Auditor Name AuditorName	KPMG LLP
CY2023	dei	Auditor Location AuditorLocation	San Diego, CA
CY2023	dei	Auditor Firm AuditorFirmId	185
CY2023Q4	us-gaap	Land Land	223264000	usd
CY2022Q4	us-gaap	Land Land	238225000	usd
CY2023Q4	onl	Investment Building Fixtures And Building Improvements InvestmentBuildingFixturesAndBuildingImprovements	1097132000	usd
CY2022Q4	onl	Investment Building Fixtures And Building Improvements InvestmentBuildingFixturesAndBuildingImprovements	1128400000	usd
CY2023Q4	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	1320396000	usd
CY2022Q4	us-gaap	Real Estate Investment Property At Cost RealEstateInvestmentPropertyAtCost	1366625000	usd
CY2023Q4	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	158791000	usd
CY2022Q4	us-gaap	Real Estate Investment Property Accumulated Depreciation RealEstateInvestmentPropertyAccumulatedDepreciation	133379000	usd
CY2023Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	1161605000	usd
CY2022Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	1233246000	usd
CY2023Q4	onl	Deferred Rent Receivable And Accounts Receivable After Allowance For Credit Losses DeferredRentReceivableAndAccountsReceivableAfterAllowanceForCreditLosses	24663000	usd
CY2022Q4	onl	Deferred Rent Receivable And Accounts Receivable After Allowance For Credit Losses DeferredRentReceivableAndAccountsReceivableAfterAllowanceForCreditLosses	21641000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	126364000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	202832000	usd
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	22473000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	20638000	usd
CY2023Q4	us-gaap	Real Estate Heldforsale RealEstateHeldforsale	0	usd
CY2022Q4	us-gaap	Real Estate Heldforsale RealEstateHeldforsale	2502000	usd
CY2023Q4	us-gaap	Other Assets OtherAssets	88828000	usd
CY2022Q4	us-gaap	Other Assets OtherAssets	90214000	usd
CY2023Q4	us-gaap	Assets Assets	1423933000	usd
CY2022Q4	us-gaap	Assets Assets	1571073000	usd
CY2023Q4	us-gaap	Secured Debt SecuredDebt	352856000	usd
CY2022Q4	us-gaap	Secured Debt SecuredDebt	352167000	usd
CY2023Q4	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	30479000	usd
CY2022Q4	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	26161000	usd
CY2022	onl	Spin Related Costs SpinRelatedCosts	964000	usd
CY2021	onl	Spin Related Costs SpinRelatedCosts	7909000	usd
CY2023	us-gaap	Costs And Expenses CostsAndExpenses	222230000	usd
CY2021	us-gaap	Costs And Expenses CostsAndExpenses	118933000	usd
CY2023	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-29669000	usd
CY2022	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-30171000	usd
CY2021	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-4267000	usd
CY2023	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	31000	usd
CY2022	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	2352000	usd
CY2021	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	0	usd
CY2023	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-504000	usd
CY2022	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-468000	usd
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-3782000	usd
CY2023Q4	us-gaap	Below Market Lease Net BelowMarketLeaseNet	8074000	usd
CY2022Q4	us-gaap	Below Market Lease Net BelowMarketLeaseNet	14068000	usd
CY2023Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	5578000	usd
CY2022Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	5664000	usd
CY2023Q4	us-gaap	Other Liabilities OtherLiabilities	23943000	usd
CY2022Q4	us-gaap	Other Liabilities OtherLiabilities	23340000	usd
CY2023Q4	us-gaap	Liabilities Liabilities	536930000	usd
CY2022Q4	us-gaap	Liabilities Liabilities	595215000	usd
CY2023Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2022Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2023Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
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CY2023Q4	us-gaap	Common Stock Value CommonStockValue	56000	usd
CY2022Q4	us-gaap	Common Stock Value CommonStockValue	57000	usd
CY2023Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	1144636000	usd
CY2022Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	1147014000	usd
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-264000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	6308000	usd
CY2023Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-258805000	usd
CY2022Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-178910000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	885623000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	974469000	usd
CY2023Q4	us-gaap	Minority Interest MinorityInterest	1380000	usd
CY2022Q4	us-gaap	Minority Interest MinorityInterest	1389000	usd
CY2023Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	887003000	usd
CY2022Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	975858000	usd
CY2023Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1423933000	usd
CY2022Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1571073000	usd
CY2023	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	195041000	usd
CY2022	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	208118000	usd
CY2021	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	79731000	usd
CY2023	us-gaap	Direct Costs Of Leased And Rented Property Or Equipment DirectCostsOfLeasedAndRentedPropertyOrEquipment	60783000	usd
CY2022	us-gaap	Direct Costs Of Leased And Rented Property Or Equipment DirectCostsOfLeasedAndRentedPropertyOrEquipment	61519000	usd
CY2021	us-gaap	Direct Costs Of Leased And Rented Property Or Equipment DirectCostsOfLeasedAndRentedPropertyOrEquipment	13411000	usd
CY2023	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	18720000	usd
CY2022	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	15908000	usd
CY2021	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	3832000	usd
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CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	131367000	usd
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CY2022	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	66359000	usd
CY2021	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	49859000	usd
CY2023	onl	Transaction Related Costs TransactionRelatedCosts	504000	usd
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CY2023	onl	Spin Related Costs SpinRelatedCosts	0	usd
CY2022	onl	Spin Related Costs SpinRelatedCosts	964000	usd
CY2021	onl	Spin Related Costs SpinRelatedCosts	7909000	usd
CY2023	us-gaap	Costs And Expenses CostsAndExpenses	222230000	usd
CY2022	us-gaap	Costs And Expenses CostsAndExpenses	276792000	usd
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CY2023	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-29669000	usd
CY2022	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-30171000	usd
CY2021	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	-4267000	usd
CY2023	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	31000	usd
CY2022	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	2352000	usd
CY2021	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	0	usd
CY2023	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-504000	usd
CY2022	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-468000	usd
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-3782000	usd
CY2022	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	223000	usd
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	0	usd
CY2021	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-56000	usd
CY2023	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-29666000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	-47464000	usd
CY2021	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	17000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	-57302000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	-97494000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-47481000	usd
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.84
CY2023	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-63883000	usd
CY2023	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-9000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	20000	usd
CY2023	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-63874000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-91485000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-47182000	usd
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	497118000	usd
CY2021	onl	Net Income Loss Including Portion Attributable To Noncontrolling Interest And Net Parent Investment NetIncomeLossIncludingPortionAttributableToNoncontrollingInterestAndNetParentInvestment	-47464000	usd
CY2021	us-gaap	Partners Capital Account Contributions PartnersCapitalAccountContributions	635002000	usd
CY2021	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	0	usd
CY2021	us-gaap	Adjustments To Additional Paid In Capital Warrant Issued AdjustmentsToAdditionalPaidInCapitalWarrantIssued	3269000	usd
CY2021	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	64000	usd
CY2023	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	911000	usd
CY2022	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	223000	usd
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	0	usd
CY2023	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-435000	usd
CY2021	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-56000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	456000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	-97474000	usd
CY2022	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	20000	usd
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	56410000	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	56632000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	56626000	shares
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.02
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.72
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.72
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.84
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.84
CY2023	us-gaap	Profit Loss ProfitLoss	-57311000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	-97474000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	-47464000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	127000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	7802000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	6699000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	1793000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-6572000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	6009000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	299000	usd
CY2023	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-63883000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-47165000	usd
CY2023	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-9000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	20000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	17000	usd
CY2023	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-63874000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-47182000	usd
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	497118000	usd
CY2021	onl	Net Income Loss Including Portion Attributable To Noncontrolling Interest And Net Parent Investment NetIncomeLossIncludingPortionAttributableToNoncontrollingInterestAndNetParentInvestment	-47464000	usd
CY2021	us-gaap	Partners Capital Account Contributions PartnersCapitalAccountContributions	635002000	usd
CY2021	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	0	usd
CY2021	us-gaap	Adjustments To Additional Paid In Capital Warrant Issued AdjustmentsToAdditionalPaidInCapitalWarrantIssued	3269000	usd
CY2021	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	64000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	299000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	-97474000	usd
CY2022	us-gaap	Dividends Dividends	22701000	usd
CY2022	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	20000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	6009000	usd
CY2022Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	975858000	usd
CY2023	us-gaap	Profit Loss ProfitLoss	-57311000	usd
CY2023	us-gaap	Dividends Dividends	22593000	usd
CY2023	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	5018000	usd
CY2023	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	89000	usd
CY2023	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2728000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	299000	usd
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1088288000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	-97474000	usd
CY2022	us-gaap	Dividends Dividends	22701000	usd
CY2022	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	20000	usd
CY2022	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1756000	usd
CY2023	us-gaap	Dividends Dividends	22593000	usd
CY2023	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	5018000	usd
CY2023	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	89000	usd
CY2023	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2728000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-6572000	usd
CY2023Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	887003000	usd
CY2023	us-gaap	Profit Loss ProfitLoss	-57311000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	-97474000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	-47464000	usd
CY2023	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	109111000	usd
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	131367000	usd
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	43922000	usd
CY2023	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	5977000	usd
CY2022	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-171000	usd
CY2021	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	1315000	usd
CY2023	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	0	usd
CY2022	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	0	usd
CY2021	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	-60000	usd
CY2023	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	33112000	usd
CY2021	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	49859000	usd
CY2023	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	31000	usd
CY2022	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	2352000	usd
CY2021	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	0	usd
CY2023	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-504000	usd
CY2022	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-468000	usd
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-3782000	usd
CY2023	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	3974000	usd
CY2022	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	4364000	usd
CY2021	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	728000	usd
CY2023	us-gaap	Share Based Compensation ShareBasedCompensation	2728000	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	1756000	usd
CY2023	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-435000	usd
CY2021	us-gaap	Increase Decrease In Accounts Receivable And Other Operating Assets IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets	5017000	usd
CY2022	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	6802000	usd
CY2021	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	11552000	usd
CY2023	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	89088000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	114232000	usd
CY2023	onl	Payments For Capital Improvements And Leasing Costs PaymentsForCapitalImprovementsAndLeasingCosts	18442000	usd
CY2021	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0	usd
CY2023	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	0	usd
CY2022	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	0	usd
CY2021	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	2478000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-6572000	usd
CY2023Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	887003000	usd
CY2023	us-gaap	Profit Loss ProfitLoss	-57311000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	-97474000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	-47464000	usd
CY2023	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	109111000	usd
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	131367000	usd
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	43922000	usd
CY2023	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	5977000	usd
CY2022	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-171000	usd
CY2021	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	1315000	usd
CY2023	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	0	usd
CY2022	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	0	usd
CY2021	us-gaap	Amortization Of Debt Discount Premium AmortizationOfDebtDiscountPremium	-60000	usd
CY2023	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	33112000	usd
CY2022	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	66359000	usd
CY2021	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	49859000	usd
CY2023	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	31000	usd
CY2022	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	2352000	usd
CY2021	us-gaap	Gains Losses On Sales Of Investment Real Estate GainsLossesOnSalesOfInvestmentRealEstate	0	usd
CY2023	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-504000	usd
CY2022	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-468000	usd
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-3782000	usd
CY2023	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	3974000	usd
CY2022	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	4364000	usd
CY2021	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	728000	usd
CY2023	us-gaap	Share Based Compensation ShareBasedCompensation	2728000	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	1756000	usd
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	65000	usd
CY2023	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-435000	usd
CY2022	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-524000	usd
CY2021	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-56000	usd
CY2023	us-gaap	Increase Decrease In Accounts Receivable And Other Operating Assets IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets	-1340000	usd
CY2022	us-gaap	Increase Decrease In Accounts Receivable And Other Operating Assets IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets	-2247000	usd
CY2021	us-gaap	Increase Decrease In Accounts Receivable And Other Operating Assets IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets	5017000	usd
CY2023	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	1203000	usd
CY2022	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	6802000	usd
CY2021	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	11552000	usd
CY2023	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	89088000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	114232000	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	56108000	usd
CY2023	onl	Payments For Capital Improvements And Leasing Costs PaymentsForCapitalImprovementsAndLeasingCosts	18442000	usd
CY2022	onl	Payments For Capital Improvements And Leasing Costs PaymentsForCapitalImprovementsAndLeasingCosts	11624000	usd
CY2021	onl	Payments For Capital Improvements And Leasing Costs PaymentsForCapitalImprovementsAndLeasingCosts	9916000	usd
CY2023	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	21032000	usd
CY2022	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	31854000	usd
CY2021	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	0	usd
CY2023	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	0	usd
CY2022	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	0	usd
CY2021	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	2478000	usd
CY2023	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	1840000	usd
CY2022	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	2247000	usd
CY2021	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	133000	usd
CY2023	us-gaap	Payments For Deposits On Real Estate Acquisitions PaymentsForDepositsOnRealEstateAcquisitions	2340000	usd
CY2022	us-gaap	Payments For Deposits On Real Estate Acquisitions PaymentsForDepositsOnRealEstateAcquisitions	0	usd
CY2021	us-gaap	Payments For Deposits On Real Estate Acquisitions PaymentsForDepositsOnRealEstateAcquisitions	0	usd
CY2023	onl	Proceeds From Deposits On Real Estate Acquisitions ProceedsFromDepositsOnRealEstateAcquisitions	2340000	usd
CY2022	onl	Proceeds From Deposits On Real Estate Acquisitions ProceedsFromDepositsOnRealEstateAcquisitions	0	usd
CY2021	onl	Proceeds From Deposits On Real Estate Acquisitions ProceedsFromDepositsOnRealEstateAcquisitions	0	usd
CY2023	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	859000	usd
CY2022	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	0	usd
CY2021	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	0	usd
CY2023	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	5289000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	22477000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-12261000	usd
CY2023	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	0	usd
CY2022	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	355026000	usd
CY2021	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	0	usd
CY2023	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	0	usd
CY2022	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	355000000	usd
CY2021	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	0	usd
CY2023	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	0	usd
CY2022	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	0	usd
CY2021	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	36476000	usd
CY2023	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	175000000	usd
CY2022	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	0	usd
CY2021	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	0	usd
CY2023	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	59000000	usd
CY2022	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	160000000	usd
CY2021	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	0	usd
CY2023	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	5663000	usd
CY2022	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	3096000	usd
CY2021	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	10514000	usd
CY2023	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	5018000	usd
CY2022	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	usd
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	usd
CY2023	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	89000	usd
CY2022	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	20000	usd
CY2021	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	0	usd
CY2023	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	41000	usd
CY2022	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	535000	usd
CY2021	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	0	usd
CY2023	us-gaap	Payments Of Capital Distribution PaymentsOfCapitalDistribution	22578000	usd
CY2022	us-gaap	Payments Of Capital Distribution PaymentsOfCapitalDistribution	16991000	usd
CY2021	us-gaap	Payments Of Capital Distribution PaymentsOfCapitalDistribution	0	usd
CY2023	us-gaap	Payments Of Distributions To Affiliates PaymentsOfDistributionsToAffiliates	0	usd
CY2022	us-gaap	Payments Of Distributions To Affiliates PaymentsOfDistributionsToAffiliates	0	usd
CY2021	us-gaap	Payments Of Distributions To Affiliates PaymentsOfDistributionsToAffiliates	587156000	usd
CY2023	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-101000	usd
CY2022	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-48000	usd
CY2021	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	0	usd
CY2023	onl	Payments Upon Extinguishment Of Mortgage Notes Payable PaymentsUponExtinguishmentOfMortgageNotesPayable	0	usd
CY2023	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	1840000	usd
CY2022	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	2247000	usd
CY2021	us-gaap	Proceeds From Equity Method Investment Dividends Or Distributions Return Of Capital ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital	133000	usd
CY2023	us-gaap	Payments For Deposits On Real Estate Acquisitions PaymentsForDepositsOnRealEstateAcquisitions	2340000	usd
CY2022	us-gaap	Payments For Deposits On Real Estate Acquisitions PaymentsForDepositsOnRealEstateAcquisitions	0	usd
CY2021	us-gaap	Payments For Deposits On Real Estate Acquisitions PaymentsForDepositsOnRealEstateAcquisitions	0	usd
CY2023	onl	Proceeds From Deposits On Real Estate Acquisitions ProceedsFromDepositsOnRealEstateAcquisitions	2340000	usd
CY2022	onl	Proceeds From Deposits On Real Estate Acquisitions ProceedsFromDepositsOnRealEstateAcquisitions	0	usd
CY2021	onl	Proceeds From Deposits On Real Estate Acquisitions ProceedsFromDepositsOnRealEstateAcquisitions	0	usd
CY2023	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	859000	usd
CY2022	us-gaap	Proceeds From Insurance Settlement Investing Activities ProceedsFromInsuranceSettlementInvestingActivities	0	usd
CY2023	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	5289000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	22477000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-12261000	usd
CY2023	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	0	usd
CY2022	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	355026000	usd
CY2021	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	0	usd
CY2023	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	0	usd
CY2022	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	355000000	usd
CY2021	us-gaap	Proceeds From Issuance Of Secured Debt ProceedsFromIssuanceOfSecuredDebt	0	usd
CY2023	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	0	usd
CY2022	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	0	usd
CY2021	us-gaap	Repayments Of Secured Debt RepaymentsOfSecuredDebt	36476000	usd
CY2023	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	175000000	usd
CY2022	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	0	usd
CY2021	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	0	usd
CY2023	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	59000000	usd
CY2022	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	160000000	usd
CY2021	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	0	usd
CY2023	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	5663000	usd
CY2021	us-gaap	Payments Of Financing Costs PaymentsOfFinancingCosts	10514000	usd
CY2023	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	5018000	usd
CY2022	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	usd
CY2023	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	89000	usd
CY2022	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	20000	usd
CY2021	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	0	usd
CY2023	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	41000	usd
CY2022	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	535000	usd
CY2021	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	0	usd
CY2023	us-gaap	Payments Of Capital Distribution PaymentsOfCapitalDistribution	22578000	usd
CY2022	us-gaap	Payments Of Capital Distribution PaymentsOfCapitalDistribution	16991000	usd
CY2021	us-gaap	Payments Of Capital Distribution PaymentsOfCapitalDistribution	0	usd
CY2023	us-gaap	Payments Of Distributions To Affiliates PaymentsOfDistributionsToAffiliates	0	usd
CY2022	us-gaap	Payments Of Distributions To Affiliates PaymentsOfDistributionsToAffiliates	0	usd
CY2021	us-gaap	Payments Of Distributions To Affiliates PaymentsOfDistributionsToAffiliates	587156000	usd
CY2023	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-101000	usd
CY2022	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-48000	usd
CY2021	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	0	usd
CY2023	onl	Payments Upon Extinguishment Of Mortgage Notes Payable PaymentsUponExtinguishmentOfMortgageNotesPayable	0	usd
CY2022	onl	Payments Upon Extinguishment Of Mortgage Notes Payable PaymentsUponExtinguishmentOfMortgageNotesPayable	0	usd
CY2021	onl	Payments Upon Extinguishment Of Mortgage Notes Payable PaymentsUponExtinguishmentOfMortgageNotesPayable	4298000	usd
CY2023	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-92490000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-110716000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-18444000	usd
CY2022	onl	Payments Upon Extinguishment Of Mortgage Notes Payable PaymentsUponExtinguishmentOfMortgageNotesPayable	0	usd
CY2021	onl	Payments Upon Extinguishment Of Mortgage Notes Payable PaymentsUponExtinguishmentOfMortgageNotesPayable	4298000	usd
CY2023	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-92490000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-110716000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-18444000	usd
CY2023	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	1887000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	25993000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	25403000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	55311000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	29318000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3915000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	57198000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	55311000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	29318000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	20638000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	29318000	usd
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	0	usd
CY2022Q4	us-gaap	Restricted Cash RestrictedCash	34673000	usd
CY2021Q4	us-gaap	Restricted Cash RestrictedCash	0	usd
CY2020Q4	us-gaap	Restricted Cash RestrictedCash	3915000	usd
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	22473000	usd
CY2021Q4	us-gaap	Restricted Cash RestrictedCash	0	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	55311000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	29318000	usd
CY2023Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2023Q4	us-gaap	Number Of Real Estate Properties NumberOfRealEstateProperties	75	property
CY2023Q4	us-gaap	Area Of Real Estate Property AreaOfRealEstateProperty	8700000	sqft
CY2023Q4	onl	Number Of States With Real Estate Properties Owned NumberOfStatesWithRealEstatePropertiesOwned	29	state
CY2023	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	1887000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	25993000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	25403000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	55311000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	29318000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3915000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	57198000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	55311000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	29318000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	20638000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	29318000	usd
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	0	usd
CY2022Q4	us-gaap	Restricted Cash RestrictedCash	34673000	usd
CY2021Q4	us-gaap	Restricted Cash RestrictedCash	0	usd
CY2020Q4	us-gaap	Restricted Cash RestrictedCash	3915000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	55311000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	29318000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3915000	usd
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	22473000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	20638000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	29318000	usd
CY2023Q4	us-gaap	Restricted Cash RestrictedCash	34725000	usd
CY2022Q4	us-gaap	Restricted Cash RestrictedCash	34673000	usd
CY2021Q4	us-gaap	Restricted Cash RestrictedCash	0	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	57198000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	55311000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	29318000	usd
CY2023Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2023Q4	us-gaap	Number Of Real Estate Properties NumberOfRealEstateProperties	75	property
CY2023Q4	us-gaap	Area Of Real Estate Property AreaOfRealEstateProperty	8700000	sqft
CY2023Q4	onl	Number Of States With Real Estate Properties Owned NumberOfStatesWithRealEstatePropertiesOwned	29	state
CY2023	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Use of Estimates</span></div><div style="margin-top:9pt;text-align:justify;text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. Management makes significant estimates regarding real estate investment impairments.</span></div>
CY2023	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Use of Estimates</span></div><div style="margin-top:9pt;text-align:justify;text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. Management makes significant estimates regarding real estate investment impairments.</span></div>
CY2023	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	100000	usd
CY2022	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	1500000	usd
CY2021	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	0	usd
CY2023	onl	Income From Termination Of Lease IncomeFromTerminationOfLease	4300000	usd
CY2022	onl	Income From Termination Of Lease IncomeFromTerminationOfLease	1400000	usd
CY2021	onl	Income From Termination Of Lease IncomeFromTerminationOfLease	300000	usd
CY2022	us-gaap	Property Management Fee Revenue PropertyManagementFeeRevenue	800000	usd
CY2023	us-gaap	Property Management Fee Revenue PropertyManagementFeeRevenue	800000	usd
CY2021	us-gaap	Property Management Fee Revenue PropertyManagementFeeRevenue	300000	usd
CY2023	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	100000	usd
CY2022	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	1500000	usd
CY2021	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	0	usd
CY2023	onl	Income From Termination Of Lease IncomeFromTerminationOfLease	4300000	usd
CY2022	onl	Income From Termination Of Lease IncomeFromTerminationOfLease	1400000	usd
CY2021	onl	Income From Termination Of Lease IncomeFromTerminationOfLease	300000	usd
CY2022	us-gaap	Property Management Fee Revenue PropertyManagementFeeRevenue	800000	usd
CY2023	us-gaap	Property Management Fee Revenue PropertyManagementFeeRevenue	800000	usd
CY2023	us-gaap	Equity Method Investment Other Than Temporary Impairment EquityMethodInvestmentOtherThanTemporaryImpairment	0	usd
CY2022	us-gaap	Equity Method Investment Other Than Temporary Impairment EquityMethodInvestmentOtherThanTemporaryImpairment	0	usd
CY2021	us-gaap	Equity Method Investment Other Than Temporary Impairment EquityMethodInvestmentOtherThanTemporaryImpairment	0	usd
CY2023	onl	Franchise And State And Local Tax Expense Benefit FranchiseAndStateAndLocalTaxExpenseBenefit	500000	usd
CY2022	onl	Franchise And State And Local Tax Expense Benefit FranchiseAndStateAndLocalTaxExpenseBenefit	200000	usd
CY2021	onl	Franchise And State And Local Tax Expense Benefit FranchiseAndStateAndLocalTaxExpenseBenefit	200000	usd
CY2023	us-gaap	Unrecognized Tax Benefits Period Increase Decrease UnrecognizedTaxBenefitsPeriodIncreaseDecrease	0	usd
CY2021	us-gaap	Unrecognized Tax Benefits Period Increase Decrease UnrecognizedTaxBenefitsPeriodIncreaseDecrease	0	usd
CY2022	onl	Number Of Property Held For Sale NumberOfPropertyHeldForSale	0	property
CY2023Q4	us-gaap	Prepaid Expense Current And Noncurrent PrepaidExpenseCurrentAndNoncurrent	1318000	usd
CY2022Q4	us-gaap	Prepaid Expense Current And Noncurrent PrepaidExpenseCurrentAndNoncurrent	1305000	usd
CY2023	us-gaap	Equity Method Investment Other Than Temporary Impairment EquityMethodInvestmentOtherThanTemporaryImpairment	0	usd
CY2022	us-gaap	Equity Method Investment Other Than Temporary Impairment EquityMethodInvestmentOtherThanTemporaryImpairment	0	usd
CY2021	us-gaap	Equity Method Investment Other Than Temporary Impairment EquityMethodInvestmentOtherThanTemporaryImpairment	0	usd
CY2021	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	0	usd
CY2023	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	0	usd
CY2022	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	0	usd
CY2022Q4	us-gaap	Restricted Cash RestrictedCash	34700000	usd
CY2023Q4	us-gaap	Restricted Cash RestrictedCash	34700000	usd
CY2021Q4	us-gaap	Restricted Cash RestrictedCash	0	usd
CY2022	us-gaap	Unrecognized Tax Benefits Period Increase Decrease UnrecognizedTaxBenefitsPeriodIncreaseDecrease	0	usd
CY2021	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	0	usd
CY2023	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	0	usd
CY2022	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	0	usd
CY2022Q4	us-gaap	Restricted Cash RestrictedCash	34700000	usd
CY2023Q4	us-gaap	Restricted Cash RestrictedCash	34700000	usd
CY2021Q4	us-gaap	Restricted Cash RestrictedCash	0	usd
CY2023	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	1	segment
CY2023	onl	Number Of Property Held For Sale NumberOfPropertyHeldForSale	0	property
CY2023	onl	Franchise And State And Local Tax Expense Benefit FranchiseAndStateAndLocalTaxExpenseBenefit	500000	usd
CY2022	onl	Franchise And State And Local Tax Expense Benefit FranchiseAndStateAndLocalTaxExpenseBenefit	200000	usd
CY2021	onl	Franchise And State And Local Tax Expense Benefit FranchiseAndStateAndLocalTaxExpenseBenefit	200000	usd
CY2023	us-gaap	Unrecognized Tax Benefits Period Increase Decrease UnrecognizedTaxBenefitsPeriodIncreaseDecrease	0	usd
CY2021	us-gaap	Unrecognized Tax Benefits Period Increase Decrease UnrecognizedTaxBenefitsPeriodIncreaseDecrease	0	usd
CY2022	us-gaap	Unrecognized Tax Benefits Period Increase Decrease UnrecognizedTaxBenefitsPeriodIncreaseDecrease	0	usd
CY2023	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	1	segment
CY2022	us-gaap	Payments To Acquire Real Estate PaymentsToAcquireRealEstate	0	usd
CY2022	onl	Real Estate Investment Number Of Acquisitions RealEstateInvestmentNumberOfAcquisitions	1	landparcel
CY2022	onl	Finance Lease Right Of Use Asset Reclassified To Real Estate Investments FinanceLeaseRightOfUseAssetReclassifiedToRealEstateInvestments	4700000	usd
CY2023	onl	Real Estate Investment Number Of Acquisitions RealEstateInvestmentNumberOfAcquisitions	0	acquistion
CY2021	onl	Real Estate Investment Number Of Acquisitions RealEstateInvestmentNumberOfAcquisitions	0	acquistion
CY2022	us-gaap	Payments To Acquire Real Estate PaymentsToAcquireRealEstate	0	usd
CY2022	onl	Real Estate Investment Number Of Acquisitions RealEstateInvestmentNumberOfAcquisitions	1	landparcel
CY2022	onl	Finance Lease Right Of Use Asset Reclassified To Real Estate Investments FinanceLeaseRightOfUseAssetReclassifiedToRealEstateInvestments	4700000	usd
CY2023	onl	Real Estate Investment Number Of Acquisitions RealEstateInvestmentNumberOfAcquisitions	0	acquistion
CY2021	onl	Real Estate Investment Number Of Acquisitions RealEstateInvestmentNumberOfAcquisitions	0	acquistion
CY2023	onl	Number Of Property Held For Sale NumberOfPropertyHeldForSale	0	property
CY2022	onl	Number Of Property Held For Sale NumberOfPropertyHeldForSale	0	property
CY2023Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	126364000	usd
CY2023Q4	us-gaap	Below Market Lease Accumulated Amortization BelowMarketLeaseAccumulatedAmortization	23176000	usd
CY2023	onl	Below Market Lease Weighted Average Useful Life BelowMarketLeaseWeightedAverageUsefulLife	P10Y9M18D
CY2023Q4	us-gaap	Below Market Lease Net BelowMarketLeaseNet	8074000	usd
CY2023	us-gaap	Amortization Of Lease Incentives AmortizationOfLeaseIncentives	300000	usd
CY2022	us-gaap	Amortization Of Lease Incentives AmortizationOfLeaseIncentives	100000	usd
CY2021	us-gaap	Amortization Of Lease Incentives AmortizationOfLeaseIncentives	0	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	3700000	usd
CY2022Q4	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	0	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	126364000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	202832000	usd
CY2023Q4	us-gaap	Below Market Lease Accumulated Amortization BelowMarketLeaseAccumulatedAmortization	23176000	usd
CY2022Q4	us-gaap	Below Market Lease Accumulated Amortization BelowMarketLeaseAccumulatedAmortization	17249000	usd
CY2023	onl	Below Market Lease Weighted Average Useful Life BelowMarketLeaseWeightedAverageUsefulLife	P10Y9M18D
CY2023Q4	us-gaap	Below Market Lease Net BelowMarketLeaseNet	8074000	usd
CY2022Q4	us-gaap	Below Market Lease Net BelowMarketLeaseNet	14068000	usd
CY2023	us-gaap	Amortization Of Lease Incentives AmortizationOfLeaseIncentives	300000	usd
CY2022	us-gaap	Amortization Of Lease Incentives AmortizationOfLeaseIncentives	100000	usd
CY2021	us-gaap	Amortization Of Lease Incentives AmortizationOfLeaseIncentives	0	usd
CY2023Q4	us-gaap	Below Market Lease Amortization Income Next Twelve Months BelowMarketLeaseAmortizationIncomeNextTwelveMonths	3786000	usd
CY2023Q4	us-gaap	Below Market Lease Amortization Income Year Two BelowMarketLeaseAmortizationIncomeYearTwo	1036000	usd
CY2023Q4	us-gaap	Below Market Lease Amortization Income Year Three BelowMarketLeaseAmortizationIncomeYearThree	817000	usd
CY2023Q4	us-gaap	Below Market Lease Amortization Income Year Four BelowMarketLeaseAmortizationIncomeYearFour	655000	usd
CY2023Q4	us-gaap	Below Market Lease Amortization Income Year Five BelowMarketLeaseAmortizationIncomeYearFive	571000	usd
CY2023Q4	us-gaap	Below Market Lease Amortization Income Next Twelve Months BelowMarketLeaseAmortizationIncomeNextTwelveMonths	3786000	usd
CY2023Q4	us-gaap	Below Market Lease Amortization Income Year Two BelowMarketLeaseAmortizationIncomeYearTwo	1036000	usd
CY2023Q4	us-gaap	Below Market Lease Amortization Income Year Three BelowMarketLeaseAmortizationIncomeYearThree	817000	usd
CY2023Q4	us-gaap	Below Market Lease Amortization Income Year Four BelowMarketLeaseAmortizationIncomeYearFour	655000	usd
CY2023Q4	us-gaap	Below Market Lease Amortization Income Year Five BelowMarketLeaseAmortizationIncomeYearFive	571000	usd
CY2023Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	9008000	usd
CY2022Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	10461000	usd
CY2023Q4	us-gaap	Deferred Rent Receivables Net DeferredRentReceivablesNet	15655000	usd
CY2022Q4	us-gaap	Deferred Rent Receivables Net DeferredRentReceivablesNet	11180000	usd
CY2022Q4	onl	Deferred Rent Receivable And Accounts Receivable After Allowance For Credit Losses DeferredRentReceivableAndAccountsReceivableAfterAllowanceForCreditLosses	21641000	usd
CY2023Q4	us-gaap	Restricted Cash RestrictedCash	34725000	usd
CY2022Q4	us-gaap	Restricted Cash RestrictedCash	34673000	usd
CY2023Q4	onl	Right Of Use Asset RightOfUseAsset	26596000	usd
CY2022Q4	onl	Right Of Use Asset RightOfUseAsset	26422000	usd
CY2023Q4	us-gaap	Equity Method Investments EquityMethodInvestments	13549000	usd
CY2022Q4	us-gaap	Equity Method Investments EquityMethodInvestments	15824000	usd
CY2023Q4	us-gaap	Deferred Costs Current And Noncurrent DeferredCostsCurrentAndNoncurrent	7693000	usd
CY2022Q4	us-gaap	Deferred Costs Current And Noncurrent DeferredCostsCurrentAndNoncurrent	4619000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	3700000	usd
CY2022Q4	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	0	usd
CY2023Q4	us-gaap	Prepaid Expense Current And Noncurrent PrepaidExpenseCurrentAndNoncurrent	1318000	usd
CY2022Q4	us-gaap	Prepaid Expense Current And Noncurrent PrepaidExpenseCurrentAndNoncurrent	1305000	usd
CY2023Q4	us-gaap	Derivative Assets DerivativeAssets	0	usd
CY2022Q4	us-gaap	Derivative Assets DerivativeAssets	6308000	usd
CY2023Q4	us-gaap	Other Assets Miscellaneous OtherAssetsMiscellaneous	1247000	usd
CY2022Q4	us-gaap	Other Assets Miscellaneous OtherAssetsMiscellaneous	1063000	usd
CY2023Q4	us-gaap	Other Assets OtherAssets	88828000	usd
CY2022Q4	us-gaap	Other Assets OtherAssets	90214000	usd
CY2023Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	9000000	usd
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	10900000	usd
CY2023Q4	onl	Below Market Lease Right Of Use Asset BelowMarketLeaseRightOfUseAsset	6600000	usd
CY2022Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	9000000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	10600000	usd
CY2022Q4	onl	Below Market Lease Right Of Use Asset BelowMarketLeaseRightOfUseAsset	6800000	usd
CY2023Q4	us-gaap	Deferred Offering Costs DeferredOfferingCosts	600000	usd
CY2023Q4	us-gaap	Derivative Assets DerivativeAssets	0	usd
CY2022Q4	us-gaap	Derivative Assets DerivativeAssets	6308000	usd
CY2023Q4	us-gaap	Other Assets Miscellaneous OtherAssetsMiscellaneous	1247000	usd
CY2022Q4	us-gaap	Other Assets Miscellaneous OtherAssetsMiscellaneous	1063000	usd
CY2023Q4	us-gaap	Other Assets OtherAssets	88828000	usd
CY2022Q4	us-gaap	Other Assets OtherAssets	90214000	usd
CY2023	us-gaap	Amortization Of Below Market Lease AmortizationOfBelowMarketLease	200000	usd
CY2022	us-gaap	Amortization Of Below Market Lease AmortizationOfBelowMarketLease	200000	usd
CY2021	us-gaap	Amortization Of Below Market Lease AmortizationOfBelowMarketLease	100000	usd
CY2023Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	9000000	usd
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	10900000	usd
CY2023Q4	onl	Below Market Lease Right Of Use Asset BelowMarketLeaseRightOfUseAsset	6600000	usd
CY2022Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	9000000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	10600000	usd
CY2022Q4	onl	Below Market Lease Right Of Use Asset BelowMarketLeaseRightOfUseAsset	6800000	usd
CY2023Q4	us-gaap	Deferred Offering Costs DeferredOfferingCosts	600000	usd
CY2023Q4	onl	Number Of Seller Financed Promissory Notes NumberOfSellerFinancedPromissoryNotes	2	note
CY2023	onl	Disposal Of Real Estate Properties Number Of Properties Subject To Loans Sold DisposalOfRealEstatePropertiesNumberOfPropertiesSubjectToLoansSold	2	property
CY2023Q4	us-gaap	Derivative Assets DerivativeAssets	0	usd
CY2022Q4	us-gaap	Derivative Assets DerivativeAssets	6308000	usd
CY2022Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	0	usd
CY2023	onl	Number Of Impaired Properties NumberOfImpairedProperties	8	property
CY2022	onl	Number Of Impaired Properties NumberOfImpairedProperties	18	property
CY2021	onl	Number Of Impaired Properties NumberOfImpairedProperties	10	property
CY2023	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	33100000	usd
CY2022	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	66400000	usd
CY2021	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	49900000	usd
CY2023	onl	Number Of Impaired Properties NumberOfImpairedProperties	8	property
CY2022	onl	Number Of Impaired Properties NumberOfImpairedProperties	18	property
CY2021	onl	Number Of Impaired Properties NumberOfImpairedProperties	10	property
CY2023Q4	onl	Carrying Value Of Impaired Properties CarryingValueOfImpairedProperties	68215000	usd
CY2022Q4	onl	Carrying Value Of Impaired Properties CarryingValueOfImpairedProperties	142748000	usd
CY2022Q4	us-gaap	Deferred Offering Costs DeferredOfferingCosts	500000	usd
CY2023Q4	onl	Number Of Seller Financed Promissory Notes NumberOfSellerFinancedPromissoryNotes	2	note
CY2023	onl	Disposal Of Real Estate Properties Number Of Properties Subject To Loans Sold DisposalOfRealEstatePropertiesNumberOfPropertiesSubjectToLoansSold	2	property
CY2023Q4	us-gaap	Derivative Assets DerivativeAssets	0	usd
CY2023Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	264000	usd
CY2022Q4	us-gaap	Derivative Assets DerivativeAssets	6308000	usd
CY2022Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	0	usd
CY2023	onl	Number Of Impaired Properties NumberOfImpairedProperties	8	property
CY2022	onl	Number Of Impaired Properties NumberOfImpairedProperties	18	property
CY2021	onl	Number Of Impaired Properties NumberOfImpairedProperties	10	property
CY2023	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	33100000	usd
CY2022	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	66400000	usd
CY2021	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	49900000	usd
CY2023	onl	Number Of Impaired Properties NumberOfImpairedProperties	8	property
CY2022	onl	Number Of Impaired Properties NumberOfImpairedProperties	18	property
CY2021	onl	Number Of Impaired Properties NumberOfImpairedProperties	10	property
CY2023Q4	onl	Carrying Value Of Impaired Properties CarryingValueOfImpairedProperties	68215000	usd
CY2022Q4	onl	Carrying Value Of Impaired Properties CarryingValueOfImpairedProperties	142748000	usd
CY2021Q4	onl	Carrying Value Of Impaired Properties CarryingValueOfImpairedProperties	109197000	usd
CY2023	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	33112000	usd
CY2022	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	66359000	usd
CY2021	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	49859000	usd
CY2023Q4	onl	Impaired Real Estate Properties Fair Value ImpairedRealEstatePropertiesFairValue	35103000	usd
CY2022Q4	onl	Impaired Real Estate Properties Fair Value ImpairedRealEstatePropertiesFairValue	76389000	usd
CY2021Q4	onl	Impaired Real Estate Properties Fair Value ImpairedRealEstatePropertiesFairValue	59338000	usd
CY2021	onl	Number Of Impaired Properties NumberOfImpairedProperties	10	property
CY2023Q4	us-gaap	Property Plant And Equipment Fair Value Disclosure PropertyPlantAndEquipmentFairValueDisclosure	5402000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Fair Value Disclosure PropertyPlantAndEquipmentFairValueDisclosure	50857000	usd
CY2022Q4	us-gaap	Assets Held For Sale Long Lived Fair Value Disclosure AssetsHeldForSaleLongLivedFairValueDisclosure	2502000	usd
CY2022Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	53359000	usd
CY2022Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	6308000	usd
CY2023Q4	us-gaap	Interest Rate Cash Flow Hedge Gain Loss To Be Reclassified During Next12 Months Net InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet	100000	usd
CY2022Q4	us-gaap	Derivative Fair Value Amount Offset Against Collateral Net DerivativeFairValueAmountOffsetAgainstCollateralNet	6308000	usd
CY2021Q4	onl	Carrying Value Of Impaired Properties CarryingValueOfImpairedProperties	109197000	usd
CY2023	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	33112000	usd
CY2022	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	66359000	usd
CY2021	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	49859000	usd
CY2023Q4	onl	Impaired Real Estate Properties Fair Value ImpairedRealEstatePropertiesFairValue	35103000	usd
CY2022Q4	onl	Impaired Real Estate Properties Fair Value ImpairedRealEstatePropertiesFairValue	76389000	usd
CY2021Q4	onl	Impaired Real Estate Properties Fair Value ImpairedRealEstatePropertiesFairValue	59338000	usd
CY2021	onl	Number Of Impaired Properties NumberOfImpairedProperties	10	property
CY2023Q4	us-gaap	Property Plant And Equipment Fair Value Disclosure PropertyPlantAndEquipmentFairValueDisclosure	5402000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Fair Value Disclosure PropertyPlantAndEquipmentFairValueDisclosure	50857000	usd
CY2022Q4	us-gaap	Assets Held For Sale Long Lived Fair Value Disclosure AssetsHeldForSaleLongLivedFairValueDisclosure	2502000	usd
CY2022Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	53359000	usd
CY2023Q4	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	468900000	usd
CY2023	us-gaap	Debt Instrument Term DebtInstrumentTerm	P2Y10M24D
CY2023Q4	us-gaap	Debt Weighted Average Interest Rate DebtWeightedAverageInterestRate	0.0466
CY2022Q4	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	525982000	usd
CY2023	us-gaap	Proceeds From Debt Net Of Issuance Costs ProceedsFromDebtNetOfIssuanceCosts	175000000	usd
CY2023	onl	Repayments Extinguishment And Assumptions Of Debt Net RepaymentsExtinguishmentAndAssumptionsOfDebtNet	233496000	usd
CY2023	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	1370000	usd
CY2023Q4	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	468856000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	0	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	0	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	116000000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	355000000	usd
CY2023Q4	us-gaap	Long Term Debt LongTermDebt	471000000	usd
CY2023	us-gaap	Debt Instrument Term DebtInstrumentTerm	P2Y10M24D
CY2023Q4	us-gaap	Debt Weighted Average Interest Rate DebtWeightedAverageInterestRate	0.0466
CY2022Q4	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	525982000	usd
CY2023	us-gaap	Proceeds From Debt Net Of Issuance Costs ProceedsFromDebtNetOfIssuanceCosts	175000000	usd
CY2023	onl	Repayments Extinguishment And Assumptions Of Debt Net RepaymentsExtinguishmentAndAssumptionsOfDebtNet	233496000	usd
CY2023	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	1370000	usd
CY2023Q4	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	468856000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	0	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	0	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	116000000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	355000000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	0	usd
CY2023Q4	us-gaap	Long Term Debt LongTermDebt	471000000	usd
CY2023Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	0	usd
CY2022Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	6308000	usd
CY2023Q4	us-gaap	Interest Rate Cash Flow Hedge Gain Loss To Be Reclassified During Next12 Months Net InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet	100000	usd
CY2023Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	0	usd
CY2023Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	264000	usd
CY2023Q4	onl	Derivative Asset Liability Offsetting Amount Fair Value Gross DerivativeAssetLiabilityOffsettingAmountFairValueGross	0	usd
CY2023Q4	us-gaap	Derivative Assets DerivativeAssets	0	usd
CY2023Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	264000	usd
CY2023Q4	onl	Derivative Financial Instruments DerivativeFinancialInstruments	0	usd
CY2023Q4	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	0	usd
CY2023Q4	us-gaap	Derivative Fair Value Amount Offset Against Collateral Net DerivativeFairValueAmountOffsetAgainstCollateralNet	-264000	usd
CY2022Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	6308000	usd
CY2022Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	0	usd
CY2022Q4	onl	Derivative Asset Liability Offsetting Amount Fair Value Gross DerivativeAssetLiabilityOffsettingAmountFairValueGross	0	usd
CY2022Q4	us-gaap	Derivative Assets DerivativeAssets	6308000	usd
CY2022Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	0	usd
CY2022Q4	onl	Derivative Financial Instruments DerivativeFinancialInstruments	0	usd
CY2022Q4	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	0	usd
CY2023Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	0	usd
CY2023Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	264000	usd
CY2023Q4	onl	Derivative Asset Liability Offsetting Amount Fair Value Gross DerivativeAssetLiabilityOffsettingAmountFairValueGross	0	usd
CY2023Q4	us-gaap	Derivative Assets DerivativeAssets	0	usd
CY2023Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	264000	usd
CY2023Q4	onl	Derivative Financial Instruments DerivativeFinancialInstruments	0	usd
CY2023Q4	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	0	usd
CY2023Q4	us-gaap	Derivative Fair Value Amount Offset Against Collateral Net DerivativeFairValueAmountOffsetAgainstCollateralNet	-264000	usd
CY2022Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	6308000	usd
CY2022Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	0	usd
CY2022Q4	onl	Derivative Asset Liability Offsetting Amount Fair Value Gross DerivativeAssetLiabilityOffsettingAmountFairValueGross	0	usd
CY2022Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	0	usd
CY2022Q4	onl	Derivative Financial Instruments DerivativeFinancialInstruments	0	usd
CY2022Q4	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	0	usd
CY2022Q4	us-gaap	Derivative Fair Value Amount Offset Against Collateral Net DerivativeFairValueAmountOffsetAgainstCollateralNet	6308000	usd
CY2023	us-gaap	Interest Paid Net InterestPaidNet	25283000	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	25108000	usd
CY2023	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	463000	usd
CY2022	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	634000	usd
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	98000	usd
CY2023	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	6484000	usd
CY2022	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	3243000	usd
CY2021	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	286000	usd
CY2021	us-gaap	Debt Issuance Costs Incurred During Noncash Or Partial Noncash Transaction DebtIssuanceCostsIncurredDuringNoncashOrPartialNoncashTransaction	0	usd
CY2023	onl	Non Cash Assets And Liabilities Contributed By Parent Company NonCashAssetsAndLiabilitiesContributedByParentCompany	0	usd
CY2022	onl	Non Cash Assets And Liabilities Contributed By Parent Company NonCashAssetsAndLiabilitiesContributedByParentCompany	0	usd
CY2021	onl	Non Cash Assets And Liabilities Contributed By Parent Company NonCashAssetsAndLiabilitiesContributedByParentCompany	1142002000	usd
CY2023	onl	Establishment Of Right Of Use Assets And Lease Liabilities EstablishmentOfRightOfUseAssetsAndLeaseLiabilities	1232000	usd
CY2022	onl	Establishment Of Right Of Use Assets And Lease Liabilities EstablishmentOfRightOfUseAssetsAndLeaseLiabilities	1193000	usd
CY2021	onl	Establishment Of Right Of Use Assets And Lease Liabilities EstablishmentOfRightOfUseAssetsAndLeaseLiabilities	989000	usd
CY2023Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	5578000	usd
CY2022Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	5664000	usd
CY2021Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	0	usd
CY2023	onl	Land Acquired Upon Finance Lease Termination LandAcquiredUponFinanceLeaseTermination	0	usd
CY2022	onl	Land Acquired Upon Finance Lease Termination LandAcquiredUponFinanceLeaseTermination	4707000	usd
CY2021	onl	Land Acquired Upon Finance Lease Termination LandAcquiredUponFinanceLeaseTermination	0	usd
CY2023	us-gaap	Notes Issued1 NotesIssued1	3700000	usd
CY2022	us-gaap	Notes Issued1 NotesIssued1	0	usd
CY2021	us-gaap	Notes Issued1 NotesIssued1	0	usd
CY2023	us-gaap	Interest Paid Net InterestPaidNet	25283000	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	25108000	usd
CY2021	us-gaap	Interest Paid Net InterestPaidNet	2412000	usd
CY2023	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	463000	usd
CY2022	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	634000	usd
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	98000	usd
CY2023	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	6484000	usd
CY2022	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	3243000	usd
CY2021	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	286000	usd
CY2023	us-gaap	Debt Issuance Costs Incurred During Noncash Or Partial Noncash Transaction DebtIssuanceCostsIncurredDuringNoncashOrPartialNoncashTransaction	0	usd
CY2022	us-gaap	Debt Issuance Costs Incurred During Noncash Or Partial Noncash Transaction DebtIssuanceCostsIncurredDuringNoncashOrPartialNoncashTransaction	25000	usd
CY2021	us-gaap	Debt Issuance Costs Incurred During Noncash Or Partial Noncash Transaction DebtIssuanceCostsIncurredDuringNoncashOrPartialNoncashTransaction	0	usd
CY2023	onl	Non Cash Assets And Liabilities Contributed By Parent Company NonCashAssetsAndLiabilitiesContributedByParentCompany	0	usd
CY2022	onl	Non Cash Assets And Liabilities Contributed By Parent Company NonCashAssetsAndLiabilitiesContributedByParentCompany	0	usd
CY2021	onl	Non Cash Assets And Liabilities Contributed By Parent Company NonCashAssetsAndLiabilitiesContributedByParentCompany	1142002000	usd
CY2023	onl	Establishment Of Right Of Use Assets And Lease Liabilities EstablishmentOfRightOfUseAssetsAndLeaseLiabilities	1232000	usd
CY2022	onl	Establishment Of Right Of Use Assets And Lease Liabilities EstablishmentOfRightOfUseAssetsAndLeaseLiabilities	1193000	usd
CY2023Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	5578000	usd
CY2022Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	5664000	usd
CY2021Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	0	usd
CY2023	onl	Land Acquired Upon Finance Lease Termination LandAcquiredUponFinanceLeaseTermination	0	usd
CY2022	onl	Land Acquired Upon Finance Lease Termination LandAcquiredUponFinanceLeaseTermination	4707000	usd
CY2021	onl	Land Acquired Upon Finance Lease Termination LandAcquiredUponFinanceLeaseTermination	0	usd
CY2023	us-gaap	Notes Issued1 NotesIssued1	3700000	usd
CY2022	us-gaap	Notes Issued1 NotesIssued1	0	usd
CY2021	us-gaap	Notes Issued1 NotesIssued1	0	usd
CY2023Q4	us-gaap	Accrual For Taxes Other Than Income Taxes Current And Noncurrent AccrualForTaxesOtherThanIncomeTaxesCurrentAndNoncurrent	11794000	usd
CY2022Q4	us-gaap	Accrual For Taxes Other Than Income Taxes Current And Noncurrent AccrualForTaxesOtherThanIncomeTaxesCurrentAndNoncurrent	10191000	usd
CY2023Q4	us-gaap	Other Accrued Liabilities Current And Noncurrent OtherAccruedLiabilitiesCurrentAndNoncurrent	8673000	usd
CY2022Q4	us-gaap	Other Accrued Liabilities Current And Noncurrent OtherAccruedLiabilitiesCurrentAndNoncurrent	10034000	usd
CY2023Q4	onl	Accrued Capital Expenditures And Leasing Costs AccruedCapitalExpendituresAndLeasingCosts	6284000	usd
CY2022Q4	onl	Accrued Capital Expenditures And Leasing Costs AccruedCapitalExpendituresAndLeasingCosts	2333000	usd
CY2023Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	2122000	usd
CY2022Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	1810000	usd
CY2023Q4	us-gaap	Accounts Payable Current And Noncurrent AccountsPayableCurrentAndNoncurrent	1606000	usd
CY2023Q4	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	30479000	usd
CY2022Q4	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	26161000	usd
CY2023Q4	onl	Lessor Operating Lease Commitment Outstanding Tenant Improvement Allowance LessorOperatingLeaseCommitmentOutstandingTenantImprovementAllowance	42300000	usd
CY2023Q4	onl	Lessor Operating Lease Commitment Outstanding Leasing Commissions LessorOperatingLeaseCommitmentOutstandingLeasingCommissions	300000	usd
CY2023Q4	onl	Lessor Operating Lease Restricted Cash Included In Commitment Outstanding LessorOperatingLeaseRestrictedCashIncludedInCommitmentOutstanding	34700000	usd
CY2023Q4	onl	Lessor Operating Lease Restricted Cash Rent Concession Commitment LessorOperatingLeaseRestrictedCashRentConcessionCommitment	11100000	usd
CY2023Q4	us-gaap	Lessor Operating Lease Payments To Be Received Next Twelve Months LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths	112322000	usd
CY2023Q4	us-gaap	Lessor Operating Lease Payments To Be Received Four Years LessorOperatingLeasePaymentsToBeReceivedFourYears	54061000	usd
CY2023Q4	us-gaap	Lessor Operating Lease Payments To Be Received Five Years LessorOperatingLeasePaymentsToBeReceivedFiveYears	42353000	usd
CY2023Q4	us-gaap	Lessor Operating Lease Payments To Be Received Thereafter LessorOperatingLeasePaymentsToBeReceivedThereafter	170646000	usd
CY2023Q4	us-gaap	Lessor Operating Lease Payments To Be Received LessorOperatingLeasePaymentsToBeReceived	531636000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Discount Rate LesseeOperatingLeaseDiscountRate	0.0385
CY2023	us-gaap	Operating Lease Cost OperatingLeaseCost	1300000	usd
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	1000000	usd
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	300000	usd
CY2023Q4	us-gaap	Accrual For Taxes Other Than Income Taxes Current And Noncurrent AccrualForTaxesOtherThanIncomeTaxesCurrentAndNoncurrent	11794000	usd
CY2022Q4	us-gaap	Accrual For Taxes Other Than Income Taxes Current And Noncurrent AccrualForTaxesOtherThanIncomeTaxesCurrentAndNoncurrent	10191000	usd
CY2023Q4	us-gaap	Other Accrued Liabilities Current And Noncurrent OtherAccruedLiabilitiesCurrentAndNoncurrent	8673000	usd
CY2022Q4	us-gaap	Other Accrued Liabilities Current And Noncurrent OtherAccruedLiabilitiesCurrentAndNoncurrent	10034000	usd
CY2023Q4	onl	Accrued Capital Expenditures And Leasing Costs AccruedCapitalExpendituresAndLeasingCosts	6284000	usd
CY2022Q4	onl	Accrued Capital Expenditures And Leasing Costs AccruedCapitalExpendituresAndLeasingCosts	2333000	usd
CY2023Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	2122000	usd
CY2022Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	1810000	usd
CY2023Q4	us-gaap	Accounts Payable Current And Noncurrent AccountsPayableCurrentAndNoncurrent	1606000	usd
CY2022Q4	us-gaap	Accounts Payable Current And Noncurrent AccountsPayableCurrentAndNoncurrent	1793000	usd
CY2023Q4	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	30479000	usd
CY2022Q4	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	26161000	usd
CY2023Q4	onl	Lessor Operating Lease Commitment Outstanding Tenant Improvement Allowance LessorOperatingLeaseCommitmentOutstandingTenantImprovementAllowance	42300000	usd
CY2023Q4	onl	Lessor Operating Lease Commitment Outstanding Leasing Commissions LessorOperatingLeaseCommitmentOutstandingLeasingCommissions	300000	usd
CY2023Q4	onl	Lessor Operating Lease Restricted Cash Included In Commitment Outstanding LessorOperatingLeaseRestrictedCashIncludedInCommitmentOutstanding	34700000	usd
CY2023Q4	onl	Lessor Operating Lease Restricted Cash Tenant Improvement Allowance LessorOperatingLeaseRestrictedCashTenantImprovementAllowance	23600000	usd
CY2023Q4	onl	Lessor Operating Lease Restricted Cash Rent Concession Commitment LessorOperatingLeaseRestrictedCashRentConcessionCommitment	11100000	usd
CY2023Q4	us-gaap	Lessor Operating Lease Payments To Be Received Next Twelve Months LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths	112322000	usd
CY2023Q4	us-gaap	Lessor Operating Lease Payments To Be Received Two Years LessorOperatingLeasePaymentsToBeReceivedTwoYears	77722000	usd
CY2023Q4	us-gaap	Lessor Operating Lease Payments To Be Received Three Years LessorOperatingLeasePaymentsToBeReceivedThreeYears	74532000	usd
CY2023Q4	us-gaap	Lessor Operating Lease Payments To Be Received Four Years LessorOperatingLeasePaymentsToBeReceivedFourYears	54061000	usd
CY2023Q4	us-gaap	Lessor Operating Lease Payments To Be Received Five Years LessorOperatingLeasePaymentsToBeReceivedFiveYears	42353000	usd
CY2023Q4	us-gaap	Lessor Operating Lease Payments To Be Received Thereafter LessorOperatingLeasePaymentsToBeReceivedThereafter	170646000	usd
CY2023Q4	us-gaap	Lessor Operating Lease Payments To Be Received LessorOperatingLeasePaymentsToBeReceived	531636000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Discount Rate LesseeOperatingLeaseDiscountRate	0.0385
CY2023	us-gaap	Operating Lease Cost OperatingLeaseCost	1300000	usd
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	1000000	usd
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	300000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	1135000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	1184000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	778000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	752000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	761000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	12517000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	17127000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	5977000	usd
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	11150000	usd
CY2021Q3	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	100000	shares
CY2021Q3	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	1000	usd
CY2021Q4	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	56525650	shares
CY2023Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.10
CY2023Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.10
CY2023Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.10
CY2023Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.10
CY2023Q4	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.10
CY2023Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.10
CY2023Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.10
CY2022Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.10
CY2022Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.10
CY2022Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.10
CY2022Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.10
CY2022Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.10
CY2022Q4	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.10
CY2023Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.10
CY2022Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.10
CY2023	onl	Common Stock Dividends Paid Percentage Of Distributions CommonStockDividendsPaidPercentageOfDistributions	1.0000
CY2022	onl	Common Stock Dividends Paid Percentage Of Distributions CommonStockDividendsPaidPercentageOfDistributions	1.0000
CY2021Q4	us-gaap	Class Of Warrant Or Right Number Of Securities Called By Warrants Or Rights ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights	1120000	shares
CY2021Q4	us-gaap	Class Of Warrant Or Right Exercise Price Of Warrants Or Rights1 ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1	22.42
CY2022Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	50000000	usd
CY2023	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	900000	shares
CY2023	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	5000000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	1135000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	1184000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	778000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	752000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	761000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	12517000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	17127000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	5977000	usd
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	11150000	usd
CY2021Q3	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	100000	shares
CY2021Q3	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	1000	usd
CY2021Q4	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	56525650	shares
CY2023Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.10
CY2023Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.10
CY2023Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.10
CY2023Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.10
CY2023Q4	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.10
CY2023Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.10
CY2023Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.10
CY2022Q1	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.10
CY2022Q2	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.10
CY2022Q3	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.10
CY2022Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.10
CY2022Q3	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.10
CY2022Q4	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.10
CY2023Q1	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.10
CY2022Q4	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.10
CY2023	onl	Common Stock Dividends Paid Percentage Of Distributions CommonStockDividendsPaidPercentageOfDistributions	1.0000
CY2022	onl	Common Stock Dividends Paid Percentage Of Distributions CommonStockDividendsPaidPercentageOfDistributions	1.0000
CY2021Q4	us-gaap	Class Of Warrant Or Right Number Of Securities Called By Warrants Or Rights ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights	1120000	shares
CY2021Q4	us-gaap	Class Of Warrant Or Right Exercise Price Of Warrants Or Rights1 ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1	22.42
CY2022Q4	us-gaap	Stock Repurchase Program Authorized Amount1 StockRepurchaseProgramAuthorizedAmount1	50000000	usd
CY2023	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	900000	shares
CY2023	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	5.46
CY2023	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	5000000	usd
CY2023	us-gaap	Profit Loss ProfitLoss	-57311000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	-97474000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	-47464000	usd
CY2023	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-9000	usd
CY2022	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	20000	usd
CY2021	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	17000	usd
CY2023	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-57302000	usd
CY2023	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-57302000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-97494000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-97494000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-47481000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-47481000	usd
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	56409734	shares
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	56631826	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	56625650	shares
CY2023	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2022	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2021	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2023	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	56409734	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	56631826	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	56625650	shares
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.02
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.02
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.72
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.72
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.84
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.84
CY2023	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2021	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2022	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2022	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2021	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2023	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2023	us-gaap	Profit Loss ProfitLoss	-57311000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	-97474000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	-47464000	usd
CY2023	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-9000	usd
CY2022	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	20000	usd
CY2021	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	17000	usd
CY2023	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-57302000	usd
CY2023	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-57302000	usd
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-97494000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-47481000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-47481000	usd
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	56409734	shares
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	56631826	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	56625650	shares
CY2023	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2022	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2021	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2023	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	56409734	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	56631826	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	56625650	shares
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.02
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.02
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.72
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.72
CY2023	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2021	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2022	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2021	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2023	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2023Q4	srt	Real Estate And Accumulated Depreciation Amount Of Encumbrances RealEstateAndAccumulatedDepreciationAmountOfEncumbrances	355000000	usd
CY2023Q4	us-gaap	Real Estate And Accumulated Depreciation Initial Cost Of Land RealEstateAndAccumulatedDepreciationInitialCostOfLand	236394000	usd
CY2023Q4	us-gaap	Real Estate And Accumulated Depreciation Initial Cost Of Buildings And Improvements RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements	1121158000	usd
CY2023Q4	us-gaap	Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Improvements RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements	-37156000	usd
CY2023Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	1320396000	usd
CY2023Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	158791000	usd
CY2023Q4	srt	Real Estate Federal Income Tax Basis RealEstateFederalIncomeTaxBasis	1900000000	usd
CY2022Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	1366625000	usd
CY2021Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	1481745000	usd
CY2020Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	634019000	usd
CY2023	us-gaap	Real Estate Other Acquisitions RealEstateOtherAcquisitions	17476000	usd
CY2022	us-gaap	Real Estate Other Acquisitions RealEstateOtherAcquisitions	13203000	usd
CY2021	us-gaap	Real Estate Other Acquisitions RealEstateOtherAcquisitions	927001000	usd
CY2023	us-gaap	Real Estate Cost Of Real Estate Sold RealEstateCostOfRealEstateSold	7173000	usd
CY2022	us-gaap	Real Estate Cost Of Real Estate Sold RealEstateCostOfRealEstateSold	18548000	usd
CY2021	us-gaap	Real Estate Cost Of Real Estate Sold RealEstateCostOfRealEstateSold	657000	usd
CY2023	us-gaap	Sec Schedule Iii Real Estate Writedown Or Reserve Amount SECScheduleIIIRealEstateWritedownOrReserveAmount	41467000	usd
CY2022	us-gaap	Sec Schedule Iii Real Estate Writedown Or Reserve Amount SECScheduleIIIRealEstateWritedownOrReserveAmount	87834000	usd
CY2021	us-gaap	Sec Schedule Iii Real Estate Writedown Or Reserve Amount SECScheduleIIIRealEstateWritedownOrReserveAmount	77636000	usd
CY2023	onl	Sec Schedule Iii Real Estate Companies Investment In Real Estate Reclassified To Real Estate Held For Sale SECScheduleIIIRealEstateCompaniesInvestmentInRealEstateReclassifiedToRealEstateHeldForSale	15065000	usd
CY2021	onl	Sec Schedule Iii Real Estate Companies Investment In Real Estate Reclassified To Real Estate Held For Sale SECScheduleIIIRealEstateCompaniesInvestmentInRealEstateReclassifiedToRealEstateHeldForSale	0	usd
CY2023	us-gaap	Real Estate Other Deductions RealEstateOtherDeductions	0	usd
CY2022	us-gaap	Real Estate Other Deductions RealEstateOtherDeductions	0	usd
CY2021	us-gaap	Real Estate Other Deductions RealEstateOtherDeductions	982000	usd
CY2023Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	1320396000	usd
CY2022Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	1366625000	usd
CY2021Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	1481745000	usd
CY2022Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	133379000	usd
CY2021Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	128109000	usd
CY2020Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	136143000	usd
CY2023	us-gaap	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense	34037000	usd
CY2022	us-gaap	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense	35855000	usd
CY2021	us-gaap	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense	20805000	usd
CY2023	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	0	usd
CY2022	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	169000	usd
CY2021	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	657000	usd
CY2023	onl	Sec Schedule Iii Real Estate Accumulated Depreciation Write Down Amount SECScheduleIIIRealEstateAccumulatedDepreciationWriteDownAmount	8625000	usd
CY2022	onl	Sec Schedule Iii Real Estate Accumulated Depreciation Write Down Amount SECScheduleIIIRealEstateAccumulatedDepreciationWriteDownAmount	21757000	usd
CY2021	onl	Sec Schedule Iii Real Estate Accumulated Depreciation Write Down Amount SECScheduleIIIRealEstateAccumulatedDepreciationWriteDownAmount	27947000	usd
CY2023	onl	Sec Schedule Iii Real Estate Companies Investment In Real Estate Accumulated Depreciation Reclassified To Held For Sale SECScheduleIIIRealEstateCompaniesInvestmentInRealEstateAccumulatedDepreciationReclassifiedToHeldForSale	0	usd
CY2023Q4	srt	Real Estate And Accumulated Depreciation Amount Of Encumbrances RealEstateAndAccumulatedDepreciationAmountOfEncumbrances	355000000	usd
CY2023Q4	us-gaap	Real Estate And Accumulated Depreciation Initial Cost Of Land RealEstateAndAccumulatedDepreciationInitialCostOfLand	236394000	usd
CY2023Q4	us-gaap	Real Estate And Accumulated Depreciation Initial Cost Of Buildings And Improvements RealEstateAndAccumulatedDepreciationInitialCostOfBuildingsAndImprovements	1121158000	usd
CY2023Q4	us-gaap	Real Estate And Accumulated Depreciation Costs Capitalized Subsequent To Acquisition Improvements RealEstateAndAccumulatedDepreciationCostsCapitalizedSubsequentToAcquisitionImprovements	-37156000	usd
CY2023Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	1320396000	usd
CY2023Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	158791000	usd
CY2023Q4	srt	Real Estate Federal Income Tax Basis RealEstateFederalIncomeTaxBasis	1900000000	usd
CY2022Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	1366625000	usd
CY2021Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	1481745000	usd
CY2020Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	634019000	usd
CY2023	us-gaap	Real Estate Other Acquisitions RealEstateOtherAcquisitions	17476000	usd
CY2022	us-gaap	Real Estate Other Acquisitions RealEstateOtherAcquisitions	13203000	usd
CY2021	us-gaap	Real Estate Other Acquisitions RealEstateOtherAcquisitions	927001000	usd
CY2023	us-gaap	Real Estate Cost Of Real Estate Sold RealEstateCostOfRealEstateSold	7173000	usd
CY2022	us-gaap	Real Estate Cost Of Real Estate Sold RealEstateCostOfRealEstateSold	18548000	usd
CY2021	us-gaap	Real Estate Cost Of Real Estate Sold RealEstateCostOfRealEstateSold	657000	usd
CY2023	us-gaap	Sec Schedule Iii Real Estate Writedown Or Reserve Amount SECScheduleIIIRealEstateWritedownOrReserveAmount	41467000	usd
CY2022	us-gaap	Sec Schedule Iii Real Estate Writedown Or Reserve Amount SECScheduleIIIRealEstateWritedownOrReserveAmount	87834000	usd
CY2021	us-gaap	Sec Schedule Iii Real Estate Writedown Or Reserve Amount SECScheduleIIIRealEstateWritedownOrReserveAmount	77636000	usd
CY2023	onl	Sec Schedule Iii Real Estate Companies Investment In Real Estate Reclassified To Real Estate Held For Sale SECScheduleIIIRealEstateCompaniesInvestmentInRealEstateReclassifiedToRealEstateHeldForSale	15065000	usd
CY2022	onl	Sec Schedule Iii Real Estate Companies Investment In Real Estate Reclassified To Real Estate Held For Sale SECScheduleIIIRealEstateCompaniesInvestmentInRealEstateReclassifiedToRealEstateHeldForSale	21941000	usd
CY2021	onl	Sec Schedule Iii Real Estate Companies Investment In Real Estate Reclassified To Real Estate Held For Sale SECScheduleIIIRealEstateCompaniesInvestmentInRealEstateReclassifiedToRealEstateHeldForSale	0	usd
CY2023	us-gaap	Real Estate Other Deductions RealEstateOtherDeductions	0	usd
CY2022	us-gaap	Real Estate Other Deductions RealEstateOtherDeductions	0	usd
CY2021	us-gaap	Real Estate Other Deductions RealEstateOtherDeductions	982000	usd
CY2023Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	1320396000	usd
CY2022Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	1366625000	usd
CY2021Q4	us-gaap	Real Estate Gross At Carrying Value RealEstateGrossAtCarryingValue	1481745000	usd
CY2022Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	133379000	usd
CY2021Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	128109000	usd
CY2020Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	136143000	usd
CY2023	us-gaap	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense	34037000	usd
CY2022	us-gaap	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense	35855000	usd
CY2021	us-gaap	Sec Schedule Iii Real Estate Accumulated Depreciation Depreciation Expense SECScheduleIIIRealEstateAccumulatedDepreciationDepreciationExpense	20805000	usd
CY2023	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	0	usd
CY2022	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	169000	usd
CY2021	us-gaap	Real Estate Accumulated Depreciation Real Estate Sold RealEstateAccumulatedDepreciationRealEstateSold	657000	usd
CY2023	onl	Sec Schedule Iii Real Estate Accumulated Depreciation Write Down Amount SECScheduleIIIRealEstateAccumulatedDepreciationWriteDownAmount	8625000	usd
CY2022	onl	Sec Schedule Iii Real Estate Accumulated Depreciation Write Down Amount SECScheduleIIIRealEstateAccumulatedDepreciationWriteDownAmount	21757000	usd
CY2021	onl	Sec Schedule Iii Real Estate Accumulated Depreciation Write Down Amount SECScheduleIIIRealEstateAccumulatedDepreciationWriteDownAmount	27947000	usd
CY2023	onl	Sec Schedule Iii Real Estate Companies Investment In Real Estate Accumulated Depreciation Reclassified To Held For Sale SECScheduleIIIRealEstateCompaniesInvestmentInRealEstateAccumulatedDepreciationReclassifiedToHeldForSale	0	usd
CY2022	onl	Sec Schedule Iii Real Estate Companies Investment In Real Estate Accumulated Depreciation Reclassified To Held For Sale SECScheduleIIIRealEstateCompaniesInvestmentInRealEstateAccumulatedDepreciationReclassifiedToHeldForSale	8659000	usd
CY2021	onl	Sec Schedule Iii Real Estate Companies Investment In Real Estate Accumulated Depreciation Reclassified To Held For Sale SECScheduleIIIRealEstateCompaniesInvestmentInRealEstateAccumulatedDepreciationReclassifiedToHeldForSale	0	usd
CY2023	us-gaap	Real Estate Accumulated Depreciation Other Deductions RealEstateAccumulatedDepreciationOtherDeductions	0	usd
CY2022	us-gaap	Real Estate Accumulated Depreciation Other Deductions RealEstateAccumulatedDepreciationOtherDeductions	0	usd
CY2021	us-gaap	Real Estate Accumulated Depreciation Other Deductions RealEstateAccumulatedDepreciationOtherDeductions	235000	usd
CY2023Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	158791000	usd
CY2022Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	133379000	usd
CY2022	onl	Sec Schedule Iii Real Estate Companies Investment In Real Estate Accumulated Depreciation Reclassified To Held For Sale SECScheduleIIIRealEstateCompaniesInvestmentInRealEstateAccumulatedDepreciationReclassifiedToHeldForSale	8659000	usd
CY2021	onl	Sec Schedule Iii Real Estate Companies Investment In Real Estate Accumulated Depreciation Reclassified To Held For Sale SECScheduleIIIRealEstateCompaniesInvestmentInRealEstateAccumulatedDepreciationReclassifiedToHeldForSale	0	usd
CY2023	us-gaap	Real Estate Accumulated Depreciation Other Deductions RealEstateAccumulatedDepreciationOtherDeductions	0	usd
CY2022	us-gaap	Real Estate Accumulated Depreciation Other Deductions RealEstateAccumulatedDepreciationOtherDeductions	0	usd
CY2021	us-gaap	Real Estate Accumulated Depreciation Other Deductions RealEstateAccumulatedDepreciationOtherDeductions	235000	usd
CY2023Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	158791000	usd
CY2022Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	133379000	usd
CY2021Q4	us-gaap	Real Estate Accumulated Depreciation RealEstateAccumulatedDepreciation	128109000	usd
	onl	Operating Lease Income Comprehensive Income Extensible List Not Disclosed Flag OperatingLeaseIncomeComprehensiveIncomeExtensibleListNotDisclosedFlag	Total rental revenue

Files In Submission

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2024 Q1 Form 10-K Financial Statement

#000187392324000008 Filed on February 27, 2024

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$ONL Orion Office REIT Inc. Stock $onl

2024 Q1 Form 10-K Financial Statement

#000187392324000008 Filed on February 27, 2024

Income Statement

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Orion Office REIT Inc. Stock $onl