$CDP
COPT Defense Properties Stock $cdp

$cdp Overview Financials Valuation SEC Filings Company Website

2022 Q3 Form 10-Q Financial Statement

#000086054622000039 Filed on August 02, 2022

Income Statement

Concept	2022 Q3	2022 Q2	2021 Q4
Revenue	$182.5M	$185.8M	$185.9M
YoY Change	9.33%	18.19%	18.73%
Cost Of Revenue	$33.56M	$41.30M	$313.3M
YoY Change	23.87%	116.46%	319.47%
Gross Profit	$148.9M	$144.5M	$351.1M
YoY Change	6.52%	4.61%	293.17%
Gross Profit Margin	81.61%	77.77%	188.83%
Selling, General & Admin	$8.898M	$8.355M	$40.18M
YoY Change	-4.75%	-9.4%	272.06%
% of Gross Profit	5.97%	5.78%	11.44%
Research & Development	$552.0K	$701.0K	$4.647M
YoY Change	-49.5%	-48.91%	364.7%
% of Gross Profit	0.37%	0.49%	1.32%
Depreciation & Amortization	$35.25M	$34.82M	$137.6M
YoY Change	-3.72%	0.23%	270.82%
% of Gross Profit	23.67%	24.1%	39.18%
Operating Expenses	$8.898M	$8.355M	$182.4M
YoY Change	-4.75%	-9.4%	276.87%
Operating Profit	$140.0M	$136.1M	$168.7M
YoY Change	7.33%	5.62%	312.47%
Interest Expense	$15.12M	$14.81M	-$56.43M
YoY Change	-3.8%	-7.11%	321.09%
% of Operating Profit	10.8%	10.88%	-33.45%
Other Income/Expense, Net	-$1.693M	-$225.0K	$1.128M
YoY Change	-619.33%	16.58%	41.0%
Pretax Income	$32.08M	$33.28M	$78.37M
YoY Change	12.37%	-22.57%	-6.49%
Income Tax	$67.00K	$4.000K	$145.0K
% Of Pretax Income	0.21%	0.01%	0.19%
Net Earnings	$32.32M	$33.60M	$13.71M
YoY Change	19.24%	-20.77%	-83.21%
Net Earnings / Revenue	17.71%	18.08%	7.37%
Basic Earnings Per Share	$0.28	$0.29	$0.12
Diluted Earnings Per Share	$0.27	$0.29	$0.12
COMMON SHARES
Basic Shares Outstanding	112.4M shares	112.1M shares	112.3M shares
Diluted Shares Outstanding	112.6M shares	112.6M shares

Balance Sheet

Concept	2022 Q3	2022 Q2	2021 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$12.64M	$20.74M	$13.26M
YoY Change	-13.23%	20.68%	-27.92%
Cash & Equivalents	$12.64M	$20.74M	$13.26M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory	$0.00	$0.00	$192.7M
Prepaid Expenses
Receivables	$39.72M	$31.55M	$40.75M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$52.36M	$52.29M	$246.7M
YoY Change	3.69%	-8.48%	311.19%
LONG-TERM ASSETS
Property, Plant & Equipment	$8.815M	$9.014M	$9.599M
YoY Change	-11.92%	-9.8%	-7.99%
Goodwill
YoY Change
Intangibles	$11.79M	$12.54M	$14.57M
YoY Change	-25.34%	-26.04%	-24.32%
Long-Term Investments	$52.32M	$52.94M	$54.18M
YoY Change	-4.46%	-4.09%	22.03%
Other Assets	$101.1M	$81.41M	$93.12M
YoY Change	5.18%	8.28%	7.77%
Total Long-Term Assets	$4.217B	$4.133B	$4.016B
YoY Change	2.84%	3.45%	-0.03%
TOTAL ASSETS
Total Short-Term Assets	$52.36M	$52.29M	$246.7M
Total Long-Term Assets	$4.217B	$4.133B	$4.016B
Total Assets	$4.269B	$4.185B	$4.262B
YoY Change	2.85%	3.29%	4.55%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$156.8M	$177.2M	$186.2M
YoY Change	-11.22%	39.48%	30.48%
Accrued Expenses	$29.09M	$29.41M	$29.34M
YoY Change	-1.83%	-1.66%	-4.42%
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	$246.4M	$265.7M	$279.1M
YoY Change	-8.64%	21.27%	15.29%
LONG-TERM LIABILITIES
Long-Term Debt	$2.270B	$2.178B	$2.272B
YoY Change	5.1%	3.23%	9.09%
Other Long-Term Liabilities	$27.02M	$18.94M	$27.07M
YoY Change	8.31%	-26.84%	-17.47%
Total Long-Term Liabilities	$2.297B	$2.197B	$2.299B
YoY Change	5.13%	2.87%	8.68%
TOTAL LIABILITIES
Total Short-Term Liabilities	$246.4M	$265.7M	$279.1M
Total Long-Term Liabilities	$2.297B	$2.197B	$2.299B
Total Liabilities	$2.543B	$2.462B	$2.578B
YoY Change	3.62%	4.58%	9.36%
SHAREHOLDERS EQUITY
Retained Earnings
YoY Change
Common Stock	$1.124M	$1.124M	$1.123M
YoY Change	0.09%	0.09%	0.09%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$1.661B	$1.657B	$1.623B
YoY Change
Total Liabilities & Shareholders Equity	$4.269B	$4.185B	$4.262B
YoY Change	2.85%	3.29%	4.55%

Cashflow Statement

Concept	2022 Q3	2022 Q2	2021 Q4
OPERATING ACTIVITIES
Net Income	$32.32M	$33.60M	$13.71M
YoY Change	19.24%	-20.77%	-83.21%
Depreciation, Depletion And Amortization	$35.25M	$34.82M	$137.6M
YoY Change	-3.72%	0.23%	270.82%
Cash From Operating Activities	$48.41M	$86.01M	$49.25M
YoY Change	-21.78%	-11.62%	-37.98%
INVESTING ACTIVITIES
Capital Expenditures	-$93.37M	-$66.89M	-$108.5M
YoY Change	21.58%	0.48%	47.97%
Acquisitions
YoY Change
Other Investing Activities	-$23.98M	-$2.427M	$17.48M
YoY Change	421.78%	-102.23%	-87.83%
Cash From Investing Activities	-$117.3M	-$69.31M	-$90.98M
YoY Change	44.17%	-264.25%	-229.23%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	59.68M	-14.89M	40.90M
YoY Change	276.06%	-90.58%	-128.72%
NET CHANGE
Cash From Operating Activities	48.41M	86.01M	49.25M
Cash From Investing Activities	-117.3M	-69.31M	-90.98M
Cash From Financing Activities	59.68M	-14.89M	40.90M
Net Change In Cash	-9.249M	1.803M	-829.0K
YoY Change	154.79%	-109.72%	-111.2%
FREE CASH FLOW
Cash From Operating Activities	$48.41M	$86.01M	$49.25M
Capital Expenditures	-$93.37M	-$66.89M	-$108.5M
Free Cash Flow	$141.8M	$152.9M	$157.7M
YoY Change	2.23%	-6.7%	3.28%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Entity Central Index Key EntityCentralIndexKey	0000860546
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q2
	dei	Amendment Flag AmendmentFlag	false
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset Statement Of Financial Position Extensible List FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#PrepaidExpenseAndOtherAssets
CY2022Q2	us-gaap	Finance Lease Right Of Use Asset Statement Of Financial Position Extensible List FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#PrepaidExpenseAndOtherAssets
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2022-06-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	1-14023
	dei	Entity Registrant Name EntityRegistrantName	CORPORATE OFFICE PROPERTIES TRUST
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MD
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	23-2947217
	dei	Entity Address Address Line1 EntityAddressAddressLine1	6711 Columbia Gateway Drive
	dei	Entity Address Address Line2 EntityAddressAddressLine2	Suite 300
	dei	Entity Address City Or Town EntityAddressCityOrTown	Columbia
	dei	Entity Address State Or Province EntityAddressStateOrProvince	MD
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	21046
	dei	City Area Code CityAreaCode	443
	dei	Local Phone Number LocalPhoneNumber	285-5400
	dei	Security12b Title Security12bTitle	Common Shares of beneficial interest, $0.01 par value
	dei	Trading Symbol TradingSymbol	OFC
	dei	Security Exchange Name SecurityExchangeName	NYSE
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
CY2022Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	112423310	shares
CY2022Q2	us-gaap	Rental Properties RentalProperties	3180790000	usd
CY2021Q4	us-gaap	Rental Properties RentalProperties	3090510000	usd
CY2022Q2	us-gaap	Development In Process DevelopmentInProcess	458961000	usd
CY2021Q4	us-gaap	Development In Process DevelopmentInProcess	442434000	usd
CY2022Q2	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	3639751000	usd
CY2021Q4	us-gaap	Real Estate Investment Property Net RealEstateInvestmentPropertyNet	3532944000	usd
CY2022Q2	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	38056000	usd
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	38361000	usd
CY2022Q2	us-gaap	Assets Of Disposal Group Including Discontinued Operation AssetsOfDisposalGroupIncludingDiscontinuedOperation	0	usd
CY2021Q4	us-gaap	Assets Of Disposal Group Including Discontinued Operation AssetsOfDisposalGroupIncludingDiscontinuedOperation	192699000	usd
CY2022Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	20735000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	13262000	usd
CY2022Q2	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	39017000	usd
CY2021Q4	us-gaap	Investments In Affiliates Subsidiaries Associates And Joint Ventures InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures	39889000	usd
CY2022Q2	us-gaap	Accounts Receivable Net AccountsReceivableNet	31554000	usd
CY2021Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	40752000	usd
CY2022Q2	us-gaap	Deferred Rent Receivables Net DeferredRentReceivablesNet	121015000	usd
CY2021Q4	us-gaap	Deferred Rent Receivables Net DeferredRentReceivablesNet	108926000	usd
CY2022Q2	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	12543000	usd
CY2021Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	14567000	usd
CY2022Q2	us-gaap	Incentive To Lessee IncentiveToLessee	50871000	usd
CY2021Q4	us-gaap	Incentive To Lessee IncentiveToLessee	51486000	usd
CY2022Q2	us-gaap	Deferred Costs Leasing Accumulated Amortization DeferredCostsLeasingAccumulatedAmortization	32379000	usd
CY2021Q4	us-gaap	Deferred Costs Leasing Accumulated Amortization DeferredCostsLeasingAccumulatedAmortization	31768000	usd
CY2022Q2	us-gaap	Deferred Costs Leasing Net DeferredCostsLeasingNet	68004000	usd
CY2021Q4	us-gaap	Deferred Costs Leasing Net DeferredCostsLeasingNet	65850000	usd
CY2022Q2	us-gaap	Prepaid Expense And Other Assets PrepaidExpenseAndOtherAssets	78762000	usd
CY2021Q4	us-gaap	Prepaid Expense And Other Assets PrepaidExpenseAndOtherAssets	81490000	usd
CY2022Q2	us-gaap	Assets Assets	4185193000	usd
CY2021Q4	us-gaap	Assets Assets	4262452000	usd
CY2022Q2	us-gaap	Long Term Debt LongTermDebt	2177811000	usd
CY2021Q4	us-gaap	Long Term Debt LongTermDebt	2272304000	usd
CY2022Q2	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	177180000	usd
CY2021Q4	us-gaap	Accounts Payable And Accrued Liabilities Current And Noncurrent AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent	186202000	usd
CY2022Q2	ofc	Advance Rent And Security Deposit Liability AdvanceRentAndSecurityDepositLiability	27745000	usd
CY2021Q4	ofc	Advance Rent And Security Deposit Liability AdvanceRentAndSecurityDepositLiability	32262000	usd
CY2022Q2	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	31400000	usd
CY2021Q4	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	31299000	usd
CY2022Q2	us-gaap	Deferred Revenue DeferredRevenue	8416000	usd
CY2021Q4	us-gaap	Deferred Revenue DeferredRevenue	9341000	usd
CY2022Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	29412000	usd
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	29342000	usd
CY2022Q2	us-gaap	Other Liabilities OtherLiabilities	10526000	usd
CY2021Q4	us-gaap	Other Liabilities OtherLiabilities	17729000	usd
CY2022Q2	us-gaap	Liabilities Liabilities	2462490000	usd
CY2021Q4	us-gaap	Liabilities Liabilities	2578479000	usd
CY2022Q2	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2021Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2022Q2	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	26752000	usd
CY2021Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	26898000	usd
CY2021Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2022Q2	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2022Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	150000000	shares
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	150000000	shares
CY2022Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	112424671	shares
CY2022Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	112424671	shares
CY2021Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	112327533	shares
CY2021Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	112327533	shares
CY2022Q2	us-gaap	Common Stock Value CommonStockValue	1124000	usd
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	1123000	usd
CY2022Q2	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	2481139000	usd
CY2021Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	2481539000	usd
CY2022Q2	us-gaap	Accumulated Distributions In Excess Of Net Income AccumulatedDistributionsInExcessOfNetIncome	827076000	usd
CY2021Q4	us-gaap	Accumulated Distributions In Excess Of Net Income AccumulatedDistributionsInExcessOfNetIncome	856863000	usd
CY2022Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	1806000	usd
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-3059000	usd
CY2022Q2	us-gaap	Stockholders Equity StockholdersEquity	1656993000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	1622740000	usd
CY2022Q2	us-gaap	Minority Interest In Operating Partnerships MinorityInterestInOperatingPartnerships	25505000	usd
CY2021Q4	us-gaap	Minority Interest In Operating Partnerships MinorityInterestInOperatingPartnerships	21363000	usd
CY2022Q2	us-gaap	Other Minority Interests OtherMinorityInterests	13453000	usd
CY2021Q4	us-gaap	Other Minority Interests OtherMinorityInterests	12972000	usd
CY2022Q2	us-gaap	Minority Interest MinorityInterest	38958000	usd
CY2021Q4	us-gaap	Minority Interest MinorityInterest	34335000	usd
CY2022Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1695951000	usd
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1657075000	usd
CY2022Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	4185193000	usd
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	4262452000	usd
CY2022Q2	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	142277000	usd
CY2021Q2	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	136454000	usd
	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	283666000	usd
	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	273744000	usd
CY2022Q2	ofc	Other Property Revenue OtherPropertyRevenue	969000	usd
CY2021Q2	ofc	Other Property Revenue OtherPropertyRevenue	765000	usd
	ofc	Other Property Revenue OtherPropertyRevenue	1860000	usd
	ofc	Other Property Revenue OtherPropertyRevenue	1305000	usd
CY2022Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	42557000	usd
CY2021Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	19988000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	95757000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	36546000	usd
CY2022Q2	us-gaap	Revenues Revenues	185803000	usd
CY2021Q2	us-gaap	Revenues Revenues	157207000	usd
	us-gaap	Revenues Revenues	381283000	usd
	us-gaap	Revenues Revenues	311595000	usd
CY2022Q2	ofc	Cost Of Other Property Operating Expense Excluding Discontinued Operations CostOfOtherPropertyOperatingExpenseExcludingDiscontinuedOperations	54116000	usd
CY2021Q2	ofc	Cost Of Other Property Operating Expense Excluding Discontinued Operations CostOfOtherPropertyOperatingExpenseExcludingDiscontinuedOperations	50914000	usd
	ofc	Cost Of Other Property Operating Expense Excluding Discontinued Operations CostOfOtherPropertyOperatingExpenseExcludingDiscontinuedOperations	111297000	usd
	ofc	Cost Of Other Property Operating Expense Excluding Discontinued Operations CostOfOtherPropertyOperatingExpenseExcludingDiscontinuedOperations	104190000	usd
CY2022Q2	us-gaap	Depreciation And Amortization DepreciationAndAmortization	34812000	usd
CY2021Q2	us-gaap	Depreciation And Amortization DepreciationAndAmortization	34732000	usd
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	69076000	usd
	us-gaap	Depreciation And Amortization DepreciationAndAmortization	69232000	usd
CY2022Q2	ofc	Construction Contract And Other Service Expenses ConstructionContractAndOtherServiceExpenses	41304000	usd
CY2021Q2	ofc	Construction Contract And Other Service Expenses ConstructionContractAndOtherServiceExpenses	19082000	usd
	ofc	Construction Contract And Other Service Expenses ConstructionContractAndOtherServiceExpenses	92954000	usd
	ofc	Construction Contract And Other Service Expenses ConstructionContractAndOtherServiceExpenses	34875000	usd
CY2022Q2	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	8355000	usd
CY2021Q2	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	9222000	usd
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	16899000	usd
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	17628000	usd
CY2022Q2	ofc	Business Development Expenses And Land Carry Costs BusinessDevelopmentExpensesAndLandCarryCosts	701000	usd
CY2021Q2	ofc	Business Development Expenses And Land Carry Costs BusinessDevelopmentExpensesAndLandCarryCosts	1372000	usd
	ofc	Business Development Expenses And Land Carry Costs BusinessDevelopmentExpensesAndLandCarryCosts	1484000	usd
	ofc	Business Development Expenses And Land Carry Costs BusinessDevelopmentExpensesAndLandCarryCosts	2466000	usd
CY2022Q2	us-gaap	Costs And Expenses CostsAndExpenses	139288000	usd
CY2021Q2	us-gaap	Costs And Expenses CostsAndExpenses	115322000	usd
	us-gaap	Costs And Expenses CostsAndExpenses	291710000	usd
	us-gaap	Costs And Expenses CostsAndExpenses	228391000	usd
CY2022Q2	us-gaap	Interest Expense InterestExpense	14808000	usd
CY2021Q2	us-gaap	Interest Expense InterestExpense	15942000	usd
	us-gaap	Interest Expense InterestExpense	29232000	usd
	us-gaap	Interest Expense InterestExpense	33461000	usd
CY2022Q2	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	1818000	usd
CY2021Q2	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	2228000	usd
	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	3711000	usd
	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	4093000	usd
CY2022Q2	ofc	Credit Losses Financial Assetsand Other Instruments Allowancefor Credit Loss Expense Reversal CreditLossesFinancialAssetsandOtherInstrumentsAllowanceforCreditLossExpenseReversal	225000	usd
CY2021Q2	ofc	Credit Losses Financial Assetsand Other Instruments Allowancefor Credit Loss Expense Reversal CreditLossesFinancialAssetsandOtherInstrumentsAllowanceforCreditLossExpenseReversal	193000	usd
	ofc	Credit Losses Financial Assetsand Other Instruments Allowancefor Credit Loss Expense Reversal CreditLossesFinancialAssetsandOtherInstrumentsAllowanceforCreditLossExpenseReversal	-91000	usd
	ofc	Credit Losses Financial Assetsand Other Instruments Allowancefor Credit Loss Expense Reversal CreditLossesFinancialAssetsandOtherInstrumentsAllowanceforCreditLossExpenseReversal	-714000	usd
CY2022Q2	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-19000	usd
CY2021Q2	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	40233000	usd
	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-4000	usd
	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	39743000	usd
CY2022Q2	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2021Q2	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-25228000	usd
	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-342000	usd
	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-58394000	usd
CY2022Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	33281000	usd
CY2021Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	42983000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	63797000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	35899000	usd
CY2022Q2	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	318000	usd
CY2021Q2	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	260000	usd
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	1206000	usd
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	482000	usd
CY2022Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4000	usd
CY2021Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	24000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	157000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	56000	usd
CY2022Q2	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	33595000	usd
CY2021Q2	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	43219000	usd
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	64846000	usd
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	36325000	usd
CY2022Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	usd
CY2021Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	679000	usd
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	29573000	usd
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	1494000	usd
CY2022Q2	us-gaap	Profit Loss ProfitLoss	33595000	usd
CY2021Q2	us-gaap	Profit Loss ProfitLoss	43898000	usd
	us-gaap	Profit Loss ProfitLoss	94419000	usd
	us-gaap	Profit Loss ProfitLoss	37819000	usd
CY2022Q2	us-gaap	Noncontrolling Interest In Net Income Loss Operating Partnerships Nonredeemable NoncontrollingInterestInNetIncomeLossOperatingPartnershipsNonredeemable	496000	usd
CY2021Q2	us-gaap	Noncontrolling Interest In Net Income Loss Operating Partnerships Nonredeemable NoncontrollingInterestInNetIncomeLossOperatingPartnershipsNonredeemable	559000	usd
	us-gaap	Noncontrolling Interest In Net Income Loss Operating Partnerships Nonredeemable NoncontrollingInterestInNetIncomeLossOperatingPartnershipsNonredeemable	1352000	usd
	us-gaap	Noncontrolling Interest In Net Income Loss Operating Partnerships Nonredeemable NoncontrollingInterestInNetIncomeLossOperatingPartnershipsNonredeemable	474000	usd
CY2022Q2	ofc	Minority Interest In Net Income Loss Other Including Joint Ventures Minority Interests MinorityInterestInNetIncomeLossOtherIncludingJointVenturesMinorityInterests	789000	usd
CY2021Q2	ofc	Minority Interest In Net Income Loss Other Including Joint Ventures Minority Interests MinorityInterestInNetIncomeLossOtherIncludingJointVenturesMinorityInterests	938000	usd
	ofc	Minority Interest In Net Income Loss Other Including Joint Ventures Minority Interests MinorityInterestInNetIncomeLossOtherIncludingJointVenturesMinorityInterests	1438000	usd
	ofc	Minority Interest In Net Income Loss Other Including Joint Ventures Minority Interests MinorityInterestInNetIncomeLossOtherIncludingJointVenturesMinorityInterests	1613000	usd
CY2022Q2	ofc	Net Income Loss Available To Common Stockholders Including Participating Securities NetIncomeLossAvailableToCommonStockholdersIncludingParticipatingSecurities	32310000	usd
CY2021Q2	ofc	Net Income Loss Available To Common Stockholders Including Participating Securities NetIncomeLossAvailableToCommonStockholdersIncludingParticipatingSecurities	42401000	usd
	ofc	Net Income Loss Available To Common Stockholders Including Participating Securities NetIncomeLossAvailableToCommonStockholdersIncludingParticipatingSecurities	91629000	usd
	ofc	Net Income Loss Available To Common Stockholders Including Participating Securities NetIncomeLossAvailableToCommonStockholdersIncludingParticipatingSecurities	35732000	usd
CY2022Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.29
CY2021Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.37
	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.55
	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.30
CY2022Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2021Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.01
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.26
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.02
CY2022Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.29
CY2021Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.38
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.81
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.32
CY2022Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.29
CY2021Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.37
	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.55
	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.30
CY2022Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2021Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.01
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.26
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.02
CY2022Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.29
CY2021Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.38
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.81
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.32
CY2022Q2	us-gaap	Profit Loss ProfitLoss	33595000	usd
CY2021Q2	us-gaap	Profit Loss ProfitLoss	43898000	usd
	us-gaap	Profit Loss ProfitLoss	94419000	usd
	us-gaap	Profit Loss ProfitLoss	37819000	usd
CY2022Q2	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	1008000	usd
CY2021Q2	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	-240000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	3545000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Before Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax	544000	usd
CY2022Q2	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-754000	usd
CY2021Q2	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-1203000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-1757000	usd
	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss Reclassification After Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax	-2378000	usd
CY2022Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1762000	usd
CY2021Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	963000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	5302000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2922000	usd
CY2022Q2	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	35357000	usd
CY2021Q2	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	44861000	usd
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	99721000	usd
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	40741000	usd
CY2022Q2	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	1405000	usd
CY2021Q2	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	1484000	usd
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	3227000	usd
	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	2267000	usd
CY2022Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	33952000	usd
CY2021Q2	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	43377000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	96494000	usd
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	38474000	usd
CY2021Q1	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	112327234	shares
CY2021Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1656792000	usd
CY2021Q2	us-gaap	Partners Capital Account Redemptions PartnersCapitalAccountRedemptions	241000	usd
CY2021Q2	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	8836	shares
CY2021Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2145000	usd
CY2021Q2	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	68000	usd
CY2021Q2	ofc	Noncontrolling Interest Increase Decrease From Changes In Ownership NoncontrollingInterestIncreaseDecreaseFromChangesInOwnership	0	usd
CY2021Q2	ofc	Comprehensive Income Loss Net Of Tax After Redeemable Noncontrolling Interest Adjustments ComprehensiveIncomeLossNetOfTaxAfterRedeemableNoncontrollingInterestAdjustments	44120000	usd
CY2021Q2	us-gaap	Dividends Dividends	30888000	usd
CY2021Q2	ofc	Minority Interest Decrease From Distributions To Operating Partnership Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToOperatingPartnershipNoncontrollingInterestHolders	400000	usd
CY2021Q2	ofc	Minority Interest Decrease From Distributions Including Joint Ventures MinorityInterestDecreaseFromDistributionsIncludingJointVentures	8000	usd
CY2021Q2	ofc	Adjustmentto Equityto Arriveat Fair Valueof Redeemable Noncontrolling Interest AdjustmenttoEquitytoArriveatFairValueofRedeemableNoncontrollingInterest	-140000	usd
CY2021Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	112336070	shares
CY2021Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1671312000	usd
CY2022Q1	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	112418811	shares
CY2022Q1	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1690536000	usd
CY2022Q2	us-gaap	Partners Capital Account Redemptions PartnersCapitalAccountRedemptions	164000	usd
CY2022Q2	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	5860	shares
CY2022Q2	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2377000	usd
CY2022Q2	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	61000	usd
CY2022Q2	ofc	Noncontrolling Interest Increase Decrease From Changes In Ownership NoncontrollingInterestIncreaseDecreaseFromChangesInOwnership	0	usd
CY2022Q2	ofc	Comprehensive Income Loss Net Of Tax After Redeemable Noncontrolling Interest Adjustments ComprehensiveIncomeLossNetOfTaxAfterRedeemableNoncontrollingInterestAdjustments	34618000	usd
CY2022Q2	us-gaap	Dividends Dividends	30913000	usd
CY2022Q2	ofc	Minority Interest Decrease From Distributions To Operating Partnership Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToOperatingPartnershipNoncontrollingInterestHolders	472000	usd
CY2022Q2	ofc	Minority Interest Decrease From Distributions Including Joint Ventures MinorityInterestDecreaseFromDistributionsIncludingJointVentures	8000	usd
CY2022Q2	ofc	Adjustmentto Equityto Arriveat Fair Valueof Redeemable Noncontrolling Interest AdjustmenttoEquitytoArriveatFairValueofRedeemableNoncontrollingInterest	38000	usd
CY2022Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	112424671	shares
CY2022Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1695951000	usd
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	112181759	shares
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1693712000	usd
	us-gaap	Stock Issued During Period Shares Conversion Of Units StockIssuedDuringPeriodSharesConversionOfUnits	8054	shares
	us-gaap	Stock Issued During Period Value Conversion Of Units StockIssuedDuringPeriodValueConversionOfUnits	0	usd
	us-gaap	Partners Capital Account Redemptions PartnersCapitalAccountRedemptions	241000	usd
	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	146257	shares
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	4160000	usd
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	2358000	usd
	ofc	Noncontrolling Interest Increase Decrease From Changes In Ownership NoncontrollingInterestIncreaseDecreaseFromChangesInOwnership	0	usd
	ofc	Comprehensive Income Loss Net Of Tax After Redeemable Noncontrolling Interest Adjustments ComprehensiveIncomeLossNetOfTaxAfterRedeemableNoncontrollingInterestAdjustments	39588000	usd
	us-gaap	Dividends Dividends	61790000	usd
	ofc	Minority Interest Decrease From Distributions To Operating Partnership Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToOperatingPartnershipNoncontrollingInterestHolders	798000	usd
	ofc	Minority Interest Decrease From Distributions Including Joint Ventures MinorityInterestDecreaseFromDistributionsIncludingJointVentures	15000	usd
	ofc	Adjustmentto Equityto Arriveat Fair Valueof Redeemable Noncontrolling Interest AdjustmenttoEquitytoArriveatFairValueofRedeemableNoncontrollingInterest	-622000	usd
	ofc	Other Adjustment OtherAdjustment	324000	usd
CY2021Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	112336070	shares
CY2021Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1671312000	usd
CY2021Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	112327533	shares
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1657075000	usd
	us-gaap	Partners Capital Account Redemptions PartnersCapitalAccountRedemptions	376000	usd
	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	97138	shares
CY2022Q2	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	112424671	shares
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	4678000	usd
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	1120000	usd
	ofc	Noncontrolling Interest Increase Decrease From Changes In Ownership NoncontrollingInterestIncreaseDecreaseFromChangesInOwnership	0	usd
	ofc	Comprehensive Income Loss Net Of Tax After Redeemable Noncontrolling Interest Adjustments ComprehensiveIncomeLossNetOfTaxAfterRedeemableNoncontrollingInterestAdjustments	98415000	usd
	us-gaap	Dividends Dividends	61842000	usd
	ofc	Minority Interest Decrease From Distributions To Operating Partnership Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToOperatingPartnershipNoncontrollingInterestHolders	941000	usd
	ofc	Minority Interest Decrease From Distributions Including Joint Ventures MinorityInterestDecreaseFromDistributionsIncludingJointVentures	15000	usd
	ofc	Adjustmentto Equityto Arriveat Fair Valueof Redeemable Noncontrolling Interest AdjustmenttoEquitytoArriveatFairValueofRedeemableNoncontrollingInterest	77000	usd
CY2022Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	1695951000	usd
	ofc	Revenues From Real Estate Operations Received RevenuesFromRealEstateOperationsReceived	285858000	usd
	ofc	Revenues From Real Estate Operations Received RevenuesFromRealEstateOperationsReceived	280708000	usd
	ofc	Construction Contract And Other Service Revenues Received ConstructionContractAndOtherServiceRevenuesReceived	90663000	usd
	ofc	Construction Contract And Other Service Revenues Received ConstructionContractAndOtherServiceRevenuesReceived	38419000	usd
	ofc	Property Operating Expenses Paid PropertyOperatingExpensesPaid	99512000	usd
	ofc	Property Operating Expenses Paid PropertyOperatingExpensesPaid	91672000	usd
	ofc	Construction Contract And Other Service Expenses Paid ConstructionContractAndOtherServiceExpensesPaid	88833000	usd
	ofc	Construction Contract And Other Service Expenses Paid ConstructionContractAndOtherServiceExpensesPaid	34445000	usd
	ofc	Generaland Administrative Leasing Business Developmentand Land Carry Paid GeneralandAdministrativeLeasingBusinessDevelopmentandLandCarryPaid	17782000	usd
	ofc	Generaland Administrative Leasing Business Developmentand Land Carry Paid GeneralandAdministrativeLeasingBusinessDevelopmentandLandCarryPaid	15399000	usd
	us-gaap	Interest Paid Net InterestPaidNet	26732000	usd
	us-gaap	Interest Paid Net InterestPaidNet	31392000	usd
	ofc	Paymentsof Lease Incentives PaymentsofLeaseIncentives	7739000	usd
	ofc	Paymentsof Lease Incentives PaymentsofLeaseIncentives	7442000	usd
	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	2797000	usd
	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-765000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	138720000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	138012000	usd
	us-gaap	Payments To Develop Real Estate Assets PaymentsToDevelopRealEstateAssets	142862000	usd
	us-gaap	Payments To Develop Real Estate Assets PaymentsToDevelopRealEstateAssets	110909000	usd
	us-gaap	Payments For Tenant Improvements PaymentsForTenantImprovements	16734000	usd
	us-gaap	Payments For Tenant Improvements PaymentsForTenantImprovements	10872000	usd
	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	21590000	usd
	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	12382000	usd
	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	220780000	usd
	us-gaap	Proceeds From Sale Of Real Estate Heldforinvestment ProceedsFromSaleOfRealEstateHeldforinvestment	114394000	usd
	us-gaap	Payments For Leasing Costs PaymentsForLeasingCosts	4121000	usd
	us-gaap	Payments For Leasing Costs PaymentsForLeasingCosts	11408000	usd
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	565000	usd
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-576000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	34908000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-30601000	usd
	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	329000000	usd
	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	387000000	usd
	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	0	usd
	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	589818000	usd
	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	0	usd
	us-gaap	Proceeds From Issuance Of Other Long Term Debt ProceedsFromIssuanceOfOtherLongTermDebt	4459000	usd
	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	224000000	usd
	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	361000000	usd
	us-gaap	Repayments Of Senior Debt RepaymentsOfSeniorDebt	0	usd
	us-gaap	Repayments Of Senior Debt RepaymentsOfSeniorDebt	600000000	usd
	ofc	Scheduled Principal Amortization Repayments Of Long Term Debt ScheduledPrincipalAmortizationRepaymentsOfLongTermDebt	1618000	usd
	ofc	Scheduled Principal Amortization Repayments Of Long Term Debt ScheduledPrincipalAmortizationRepaymentsOfLongTermDebt	1922000	usd
	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	200000000	usd
	us-gaap	Repayments Of Other Long Term Debt RepaymentsOfOtherLongTermDebt	0	usd
	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	6000	usd
	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	55713000	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	61814000	usd
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	61747000	usd
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-6859000	usd
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-8564000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-165297000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-107669000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	8331000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-258000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	17316000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	22033000	usd
CY2022Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	25647000	usd
CY2021Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	21775000	usd
	us-gaap	Profit Loss ProfitLoss	94419000	usd
	us-gaap	Profit Loss ProfitLoss	37819000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	70235000	usd
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	76476000	usd
	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	2351000	usd
	us-gaap	Amortization Of Financing Costs And Discounts AmortizationOfFinancingCostsAndDiscounts	2666000	usd
	us-gaap	Straight Line Rent StraightLineRent	11603000	usd
	us-gaap	Straight Line Rent StraightLineRent	9421000	usd
	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	28560000	usd
	us-gaap	Gain Loss On Sale Of Properties GainLossOnSaleOfProperties	39743000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	4301000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	3913000	usd
	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-342000	usd
	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-58394000	usd
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	2549000	usd
	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	2462000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-9374000	usd
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-45000	usd
	ofc	Increase Decrease In Lease Incentives And Prepaid Expenses And Other Assets Net IncreaseDecreaseInLeaseIncentivesAndPrepaidExpensesAndOtherAssetsNet	-8407000	usd
	ofc	Increase Decrease In Lease Incentives And Prepaid Expenses And Other Assets Net IncreaseDecreaseInLeaseIncentivesAndPrepaidExpensesAndOtherAssetsNet	-13894000	usd
	us-gaap	Increase Decrease In Operating Liabilities IncreaseDecreaseInOperatingLiabilities	-3480000	usd
	us-gaap	Increase Decrease In Operating Liabilities IncreaseDecreaseInOperatingLiabilities	-1037000	usd
	ofc	Increase Decrease In Advance Rent And Security Deposit Liability IncreaseDecreaseInAdvanceRentAndSecurityDepositLiability	-4517000	usd
	ofc	Increase Decrease In Advance Rent And Security Deposit Liability IncreaseDecreaseInAdvanceRentAndSecurityDepositLiability	-2532000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	138720000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	138012000	usd
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	13262000	usd
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	18369000	usd
CY2021Q4	us-gaap	Restricted Cash RestrictedCash	4054000	usd
CY2020Q4	us-gaap	Restricted Cash RestrictedCash	3664000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	17316000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	22033000	usd
CY2022Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	20735000	usd
CY2021Q2	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	17182000	usd
CY2022Q2	us-gaap	Restricted Cash RestrictedCash	4912000	usd
CY2021Q2	us-gaap	Restricted Cash RestrictedCash	4593000	usd
CY2022Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	25647000	usd
CY2021Q2	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	21775000	usd
	ofc	Increase Decrease In Accrued Capital Improvements Leasing And Other Investing Activity Costs IncreaseDecreaseInAccruedCapitalImprovementsLeasingAndOtherInvestingActivityCosts	-6222000	usd
	ofc	Increase Decrease In Accrued Capital Improvements Leasing And Other Investing Activity Costs IncreaseDecreaseInAccruedCapitalImprovementsLeasingAndOtherInvestingActivityCosts	-15887000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	683000	usd
	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	328000	usd
	ofc	Increasein Investmentin Unconsolidated Real Estate Joint Venturein Connection With Partial Saleof Properties IncreaseinInvestmentinUnconsolidatedRealEstateJointVentureinConnectionWithPartialSaleofProperties	0	usd
	ofc	Increasein Investmentin Unconsolidated Real Estate Joint Venturein Connection With Partial Saleof Properties IncreaseinInvestmentinUnconsolidatedRealEstateJointVentureinConnectionWithPartialSaleofProperties	11842000	usd
	ofc	Increase Decrease In Fair Value Of Derivatives Applied To Aocl And Noncontrolling Interests IncreaseDecreaseInFairValueOfDerivativesAppliedToAoclAndNoncontrollingInterests	5072000	usd
	ofc	Increase Decrease In Fair Value Of Derivatives Applied To Aocl And Noncontrolling Interests IncreaseDecreaseInFairValueOfDerivativesAppliedToAoclAndNoncontrollingInterests	2922000	usd
CY2022Q2	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	31400000	usd
CY2021Q2	us-gaap	Dividends Payable Current And Noncurrent DividendsPayableCurrentAndNoncurrent	31302000	usd
	ofc	Equity Change Stock Issued During Period Value Conversion Of Units EquityChangeStockIssuedDuringPeriodValueConversionOfUnits	0	usd
	ofc	Equity Change Stock Issued During Period Value Conversion Of Units EquityChangeStockIssuedDuringPeriodValueConversionOfUnits	121000	usd
	ofc	Equity Change Adjustments To Additional Paid In Capital Reallocation Of Minority Interest EquityChangeAdjustmentsToAdditionalPaidInCapitalReallocationOfMinorityInterest	1378000	usd
	ofc	Equity Change Adjustments To Additional Paid In Capital Reallocation Of Minority Interest EquityChangeAdjustmentsToAdditionalPaidInCapitalReallocationOfMinorityInterest	-194000	usd
	us-gaap	Minority Interest Change In Redemption Value MinorityInterestChangeInRedemptionValue	-77000	usd
	us-gaap	Minority Interest Change In Redemption Value MinorityInterestChangeInRedemptionValue	622000	usd
	us-gaap	Nature Of Operations NatureOfOperations	Organization<div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> </span></div><div style="text-indent:18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Corporate Office Properties Trust (“COPT”) and subsidiaries (collectively, the “Company”, “we” or “us”) is a fully-integrated and self-managed real estate investment trust (“REIT”). We own, manage, lease, develop and selectively acquire office and data center properties. The majority of our portfolio is in locations that support the United States Government (“USG”) and its contractors, most of whom are engaged in national security, defense and information technology (“IT”) related activities servicing what we believe are growing, durable, priority missions (“Defense/IT Locations”). We also own a portfolio of office properties located in select urban/urban-like submarkets in the Greater Washington, DC/Baltimore region with durable Class-A office fundamentals and characteristics (“Regional Office”). As of June 30, 2022, our properties included the following:</span></div><div style="text-indent:18pt"><span><br/></span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">188 properties totaling 22.1 million square feet comprised of 17.1 million square feet in 161 office properties and 5.0 million square feet in 27 single-tenant data center shells. We owned 19 of these data center shells through unconsolidated real estate joint ventures;</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">12 properties under development (nine office properties and three data center shells), including one partially-operational property, and an expansion of one fully-operational property that we estimate will total approximately 1.9 million square feet upon completion; and</span></div><div style="padding-left:18pt;text-indent:-18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">•</span><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%;padding-left:14.85pt">approximately 710 acres of land controlled for future development that we believe could be developed into approximately 8.4 million square feet and 43 acres of other land.</span></div><div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%"> </span></div><div style="text-indent:18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We conduct almost all of our operations and own almost all of our assets through our operating partnership, Corporate Office Properties, L.P. (“COPLP”) and subsidiaries (collectively, the “Operating Partnership”), of which COPT is the sole general partner. COPLP owns real estate directly and through subsidiary partnerships and limited liability companies (“LLCs”). In addition to owning real estate, COPLP also owns subsidiaries that provide real estate services such as property management, development and construction services primarily for our properties but also for third parties. Some of these services are performed by a taxable REIT subsidiary (“TRS”).</span></div><div style="text-indent:18pt"><span><br/></span></div><div style="text-indent:18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">Equity interests in COPLP are in the form of common and preferred units. As of June 30, 2022, COPT owned 98.0% of the outstanding COPLP common units (“common units”) and there were no preferred units outstanding. Common units not owned by COPT carry certain redemption rights. The number of common units owned by COPT is equivalent to the number of outstanding common shares of beneficial interest (“common shares”) of COPT, and the entitlement of common units to quarterly distributions and payments in liquidation is substantially the same as that of COPT common shareholders.</span></div>COPT’s common shares are publicly traded on the New York Stock Exchange (“NYSE”) under the ticker symbol “OFC”.
	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<div><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:700;line-height:120%">Reclassifications</span></div><div><span><br/></span></div><div style="text-indent:18pt"><span style="color:#000000;font-family:'Arial',sans-serif;font-size:9pt;font-weight:400;line-height:120%">We reclassified certain amounts from prior periods to conform to the current period presentation of our consolidated financial statements with no effect on previously reported net income or equity, including amounts reclassified in conjunction with the transfer of a wholesale data center to discontinued operations in the fourth quarter of 2021. We provide disclosure regarding our discontinued operations in Note 4.</span></div>
CY2022Q2	ofc	Sales Type And Direct Financing Leases Lease Receivable To Be Received After Year Four SalesTypeAndDirectFinancingLeasesLeaseReceivableToBeReceivedAfterYearFour	3556000	usd
CY2022Q2	us-gaap	Lessor Operating Lease Payments To Be Received LessorOperatingLeasePaymentsToBeReceived	2578914000	usd
CY2022Q2	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceived	7876000	usd
CY2022Q2	us-gaap	Lessor Operating Lease Payments To Be Received Remainder Of Fiscal Year LessorOperatingLeasePaymentsToBeReceivedRemainderOfFiscalYear	223948000	usd
CY2022Q2	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Remainder Of Fiscal Year SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedRemainderOfFiscalYear	480000	usd
CY2022Q2	us-gaap	Lessor Operating Lease Payments To Be Received Next Twelve Months LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths	420071000	usd
CY2022Q2	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Next Twelve Months SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedNextTwelveMonths	960000	usd
CY2022Q2	us-gaap	Lessor Operating Lease Payments To Be Received Two Years LessorOperatingLeasePaymentsToBeReceivedTwoYears	372126000	usd
CY2022Q2	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Two Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedTwoYears	960000	usd
CY2022Q2	us-gaap	Lessor Operating Lease Payments To Be Received Three Years LessorOperatingLeasePaymentsToBeReceivedThreeYears	285179000	usd
CY2022Q2	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Three Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedThreeYears	960000	usd
CY2022Q2	us-gaap	Lessor Operating Lease Payments To Be Received Four Years LessorOperatingLeasePaymentsToBeReceivedFourYears	221782000	usd
CY2022Q2	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Payments To Be Received Four Years SalesTypeAndDirectFinancingLeasesLeaseReceivablePaymentsToBeReceivedFourYears	960000	usd
CY2022Q2	ofc	Lessor Operating Lease Paymenttobe Receivedafter Year Four LessorOperatingLeasePaymenttobeReceivedafterYearFour	1055808000	usd
CY2022Q2	us-gaap	Sales Type And Direct Financing Leases Lease Receivable Undiscounted Excess Amount SalesTypeAndDirectFinancingLeasesLeaseReceivableUndiscountedExcessAmount	1942000	usd
CY2022Q2	us-gaap	Sales Type And Direct Financing Leases Lease Receivable SalesTypeAndDirectFinancingLeasesLeaseReceivable	5934000	usd
CY2022Q2	ofc	Lessee Right Of Use Asset Carrying Value LesseeRightOfUseAssetCarryingValue	40300000	usd
CY2022Q2	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	38056000	usd
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	38361000	usd
	us-gaap	Operating Lease Payments OperatingLeasePayments	1676000	usd
CY2022Q2	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	2222000	usd
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	2238000	usd
CY2022Q2	ofc	Lease Rightof Use Assets LeaseRightofUseAssets	40278000	usd
CY2021Q4	ofc	Lease Rightof Use Assets LeaseRightofUseAssets	40599000	usd
CY2022Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	29412000	usd
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	29342000	usd
CY2022Q2	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P52Y
CY2022Q2	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0719
CY2022Q2	us-gaap	Lease Cost LeaseCost	1057000	usd
CY2021Q2	us-gaap	Lease Cost LeaseCost	1032000	usd
	us-gaap	Lease Cost LeaseCost	2100000	usd
	us-gaap	Lease Cost LeaseCost	2024000	usd
	us-gaap	Operating Lease Payments OperatingLeasePayments	1586000	usd
	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	0	usd
	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	10000	usd
CY2022Q2	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	1679000	usd
CY2022Q2	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	3399000	usd
CY2022Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	3451000	usd
CY2022Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	1797000	usd
CY2022Q2	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	1578000	usd
CY2022Q2	ofc	Lessee Operating Lease Liabilitytobe Paidafter Year Four LesseeOperatingLeaseLiabilitytobePaidafterYearFour	125934000	usd
CY2022Q2	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	137838000	usd
CY2022Q2	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	108426000	usd
CY2022Q2	us-gaap	Operating Lease Liability OperatingLeaseLiability	29412000	usd
CY2022Q2	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	29223000	usd
CY2021Q4	us-gaap	Contract With Customer Asset Net ContractWithCustomerAssetNet	22384000	usd
CY2022Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	9014000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	9599000	usd
CY2022Q2	us-gaap	Deposit Assets DepositAssets	7154000	usd
CY2021Q4	us-gaap	Deposit Assets DepositAssets	3910000	usd
CY2022Q2	ofc	Nonreal Estate Equity Investments NonrealEstateEquityInvestments	6107000	usd
CY2021Q4	ofc	Nonreal Estate Equity Investments NonrealEstateEquityInvestments	5544000	usd
CY2022Q2	us-gaap	Prepaid Expense Current And Noncurrent PrepaidExpenseCurrentAndNoncurrent	6066000	usd
CY2021Q4	us-gaap	Prepaid Expense Current And Noncurrent PrepaidExpenseCurrentAndNoncurrent	20058000	usd
CY2022Q2	us-gaap	Sales Type Lease Net Investment In Lease SalesTypeLeaseNetInvestmentInLease	5934000	usd
CY2021Q4	us-gaap	Sales Type Lease Net Investment In Lease SalesTypeLeaseNetInvestmentInLease	6194000	usd
CY2022Q2	us-gaap	Restricted Cash RestrictedCash	4912000	usd
CY2021Q4	us-gaap	Restricted Cash RestrictedCash	4054000	usd
CY2022Q2	us-gaap	Derivative Assets DerivativeAssets	2468000	usd
CY2021Q4	us-gaap	Derivative Assets DerivativeAssets	355000	usd
CY2022Q2	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	2222000	usd
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	2238000	usd
CY2022Q2	us-gaap	Deferred Compensation Plan Assets DeferredCompensationPlanAssets	1881000	usd
CY2021Q4	us-gaap	Deferred Compensation Plan Assets DeferredCompensationPlanAssets	2556000	usd
CY2022Q2	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	1685000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	1841000	usd
CY2022Q2	ofc	Deferred Financingand Derivative Costs DeferredFinancingandDerivativeCosts	746000	usd
CY2021Q4	ofc	Deferred Financingand Derivative Costs DeferredFinancingandDerivativeCosts	1314000	usd
CY2022Q2	us-gaap	Other Assets OtherAssets	1350000	usd
CY2021Q4	us-gaap	Other Assets OtherAssets	1443000	usd
CY2022Q2	us-gaap	Prepaid Expense And Other Assets PrepaidExpenseAndOtherAssets	78762000	usd
CY2021Q4	us-gaap	Prepaid Expense And Other Assets PrepaidExpenseAndOtherAssets	81490000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	24000	usd
CY2022Q2	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	24000	usd
CY2022Q2	us-gaap	Long Term Debt LongTermDebt	2177811000	usd
CY2021Q4	us-gaap	Long Term Debt LongTermDebt	2272304000	usd
CY2022Q2	us-gaap	Long Term Debt Maturities Repayments Of Principal Remainder Of Fiscal Year LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear	101715000	usd
CY2022Q2	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	199953000	usd
CY2022Q2	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	29983000	usd
CY2022Q2	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	23717000	usd
CY2022Q2	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	446300000	usd
CY2022Q2	ofc	Long Term Debt Maturity After Year Four LongTermDebtMaturityAfterYearFour	1400000000	usd
CY2022Q2	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	2201668000	usd
CY2022Q2	ofc	Debt Instrument Unamortized Discount Premiumand Deferred Financing Costs Net DebtInstrumentUnamortizedDiscountPremiumandDeferredFinancingCostsNet	23900000	usd
CY2022Q2	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	1400000	usd
CY2021Q2	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	1700000	usd
	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	2900000	usd
	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	3500000	usd
CY2022Q2	us-gaap	Interest Rate Derivatives At Fair Value Net InterestRateDerivativesAtFairValueNet	2468000	usd
CY2021Q4	us-gaap	Interest Rate Derivatives At Fair Value Net InterestRateDerivativesAtFairValueNet	-3289000	usd
	ofc	Numberof Joint Ventures With Redeemable Noncontrolling Interests NumberofJointVenturesWithRedeemableNoncontrollingInterests	2	joint_venture
CY2021Q4	us-gaap	Redeemable Noncontrolling Interest Equity Fair Value RedeemableNoncontrollingInterestEquityFairValue	26898000	usd
CY2020Q4	us-gaap	Redeemable Noncontrolling Interest Equity Fair Value RedeemableNoncontrollingInterestEquityFairValue	25430000	usd
	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	1375000	usd
	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	1165000	usd
	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	1306000	usd
	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	1153000	usd
	us-gaap	Minority Interest Change In Redemption Value MinorityInterestChangeInRedemptionValue	-77000	usd
	us-gaap	Minority Interest Change In Redemption Value MinorityInterestChangeInRedemptionValue	622000	usd
CY2022Q2	us-gaap	Redeemable Noncontrolling Interest Equity Fair Value RedeemableNoncontrollingInterestEquityFairValue	26752000	usd
CY2021Q2	us-gaap	Redeemable Noncontrolling Interest Equity Fair Value RedeemableNoncontrollingInterestEquityFairValue	26040000	usd
CY2022Q2	ofc	At Market Stock Offering Program Established Aggregate Value AtMarketStockOfferingProgramEstablishedAggregateValue	300000000	usd
CY2022Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.275
CY2021Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.275
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.550
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.550
CY2021Q4	ofc	Credit Losses Financial Assetsand Other Instruments Allowancefor Credit Loss CreditLossesFinancialAssetsandOtherInstrumentsAllowanceforCreditLoss	3569000	usd
	ofc	Credit Losses Financial Assetsand Other Instruments Allowancefor Credit Loss Expense Reversal CreditLossesFinancialAssetsandOtherInstrumentsAllowanceforCreditLossExpenseReversal	-91000	usd
CY2022Q2	ofc	Credit Losses Financial Assetsand Other Instruments Allowancefor Credit Loss CreditLossesFinancialAssetsandOtherInstrumentsAllowanceforCreditLoss	3478000	usd
CY2020Q4	ofc	Credit Losses Financial Assetsand Other Instruments Allowancefor Credit Loss CreditLossesFinancialAssetsandOtherInstrumentsAllowanceforCreditLoss	4697000	usd
	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	14538000	usd
	ofc	Credit Losses Financial Assetsand Other Instruments Allowancefor Credit Loss Expense Reversal CreditLossesFinancialAssetsandOtherInstrumentsAllowanceforCreditLossExpenseReversal	-714000	usd
CY2021Q2	ofc	Credit Losses Financial Assetsand Other Instruments Allowancefor Credit Loss CreditLossesFinancialAssetsandOtherInstrumentsAllowanceforCreditLoss	3983000	usd
CY2022Q1	ofc	Number Of Properties Changing Reportable Segments NumberOfPropertiesChangingReportableSegments	2	property
CY2022Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	42557000	usd
CY2021Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	19988000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	95757000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	36546000	usd
CY2022Q2	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	0	usd
CY2021Q2	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	7204000	usd
	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	1980000	usd
CY2021Q2	ofc	Unconsolidated Joint Venture Net Operating Income Allocableto Parent UnconsolidatedJointVentureNetOperatingIncomeAllocabletoParent	973000	usd
CY2022Q2	us-gaap	Revenues Revenues	185803000	usd
CY2021Q2	us-gaap	Revenues Revenues	157207000	usd
	us-gaap	Revenues Revenues	381283000	usd
	us-gaap	Revenues Revenues	311595000	usd
CY2022Q2	ofc	Cost Of Other Property Operating Expense Excluding Discontinued Operations CostOfOtherPropertyOperatingExpenseExcludingDiscontinuedOperations	54116000	usd
CY2021Q2	ofc	Cost Of Other Property Operating Expense Excluding Discontinued Operations CostOfOtherPropertyOperatingExpenseExcludingDiscontinuedOperations	50914000	usd
	ofc	Cost Of Other Property Operating Expense Excluding Discontinued Operations CostOfOtherPropertyOperatingExpenseExcludingDiscontinuedOperations	111297000	usd
	ofc	Cost Of Other Property Operating Expense Excluding Discontinued Operations CostOfOtherPropertyOperatingExpenseExcludingDiscontinuedOperations	104190000	usd
CY2022Q2	ofc	Unconsolidated Joint Venture Net Operating Income Allocableto Parent UnconsolidatedJointVentureNetOperatingIncomeAllocabletoParent	1080000	usd
	ofc	Unconsolidated Joint Venture Net Operating Income Allocableto Parent UnconsolidatedJointVentureNetOperatingIncomeAllocabletoParent	2160000	usd
	ofc	Unconsolidated Joint Venture Net Operating Income Allocableto Parent UnconsolidatedJointVentureNetOperatingIncomeAllocabletoParent	1890000	usd
CY2022Q2	ofc	Income Lossfrom Equity Method Investments Allocableto Depreciation Amortizationand Interest Expense IncomeLossfromEquityMethodInvestmentsAllocabletoDepreciationAmortizationandInterestExpense	760000	usd
CY2021Q2	ofc	Income Lossfrom Equity Method Investments Allocableto Depreciation Amortizationand Interest Expense IncomeLossfromEquityMethodInvestmentsAllocabletoDepreciationAmortizationandInterestExpense	711000	usd
	ofc	Income Lossfrom Equity Method Investments Allocableto Depreciation Amortizationand Interest Expense IncomeLossfromEquityMethodInvestmentsAllocabletoDepreciationAmortizationandInterestExpense	1518000	usd
	ofc	Income Lossfrom Equity Method Investments Allocableto Depreciation Amortizationand Interest Expense IncomeLossfromEquityMethodInvestmentsAllocabletoDepreciationAmortizationandInterestExpense	1404000	usd
CY2022Q2	ofc	Income Lossin Non Real Estate Equity Method Investments IncomeLossinNonRealEstateEquityMethodInvestments	-2000	usd
CY2021Q2	ofc	Income Lossin Non Real Estate Equity Method Investments IncomeLossinNonRealEstateEquityMethodInvestments	-2000	usd
	ofc	Income Lossin Non Real Estate Equity Method Investments IncomeLossinNonRealEstateEquityMethodInvestments	564000	usd
	ofc	Income Lossin Non Real Estate Equity Method Investments IncomeLossinNonRealEstateEquityMethodInvestments	-4000	usd
CY2022Q2	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	318000	usd
CY2021Q2	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	260000	usd
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	1206000	usd
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	482000	usd
CY2022Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	42557000	usd
CY2021Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	19988000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	95757000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	36546000	usd
CY2022Q2	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	41304000	usd
CY2021Q2	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	19082000	usd
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	92954000	usd
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	34875000	usd
CY2022Q2	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	1818000	usd
CY2021Q2	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	2228000	usd
	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	3711000	usd
	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	4093000	usd
CY2022Q2	ofc	Credit Losses Financial Assetsand Other Instruments Allowancefor Credit Loss Expense Reversal CreditLossesFinancialAssetsandOtherInstrumentsAllowanceforCreditLossExpenseReversal	225000	usd
CY2021Q2	ofc	Credit Losses Financial Assetsand Other Instruments Allowancefor Credit Loss Expense Reversal CreditLossesFinancialAssetsandOtherInstrumentsAllowanceforCreditLossExpenseReversal	193000	usd
	ofc	Credit Losses Financial Assetsand Other Instruments Allowancefor Credit Loss Expense Reversal CreditLossesFinancialAssetsandOtherInstrumentsAllowanceforCreditLossExpenseReversal	-91000	usd
	ofc	Credit Losses Financial Assetsand Other Instruments Allowancefor Credit Loss Expense Reversal CreditLossesFinancialAssetsandOtherInstrumentsAllowanceforCreditLossExpenseReversal	-714000	usd
CY2022Q2	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-19000	usd
CY2021Q2	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	40233000	usd
	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-4000	usd
	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	39743000	usd
CY2022Q2	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	318000	usd
CY2021Q2	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	260000	usd
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	1206000	usd
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	482000	usd
CY2022Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4000	usd
CY2021Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	24000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	157000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	56000	usd
CY2022Q2	ofc	Depreciation And Amortization For Real Estate Operations DepreciationAndAmortizationForRealEstateOperations	34812000	usd
CY2021Q2	ofc	Depreciation And Amortization For Real Estate Operations DepreciationAndAmortizationForRealEstateOperations	34732000	usd
	ofc	Depreciation And Amortization For Real Estate Operations DepreciationAndAmortizationForRealEstateOperations	69076000	usd
	ofc	Depreciation And Amortization For Real Estate Operations DepreciationAndAmortizationForRealEstateOperations	69232000	usd
CY2022Q2	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	8355000	usd
CY2021Q2	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	9222000	usd
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	16899000	usd
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	17628000	usd
CY2022Q2	ofc	Business Development Expenses And Land Carry Costs BusinessDevelopmentExpensesAndLandCarryCosts	701000	usd
CY2021Q2	ofc	Business Development Expenses And Land Carry Costs BusinessDevelopmentExpensesAndLandCarryCosts	1372000	usd
	ofc	Business Development Expenses And Land Carry Costs BusinessDevelopmentExpensesAndLandCarryCosts	1484000	usd
	ofc	Business Development Expenses And Land Carry Costs BusinessDevelopmentExpensesAndLandCarryCosts	2466000	usd
CY2022Q2	us-gaap	Interest Expense InterestExpense	14808000	usd
CY2021Q2	us-gaap	Interest Expense InterestExpense	15942000	usd
	us-gaap	Interest Expense InterestExpense	29232000	usd
	us-gaap	Interest Expense InterestExpense	33461000	usd
CY2022Q2	ofc	Unconsolidated Joint Venture Net Operating Income Allocableto Parent UnconsolidatedJointVentureNetOperatingIncomeAllocabletoParent	1080000	usd
CY2021Q2	ofc	Unconsolidated Joint Venture Net Operating Income Allocableto Parent UnconsolidatedJointVentureNetOperatingIncomeAllocabletoParent	973000	usd
	ofc	Unconsolidated Joint Venture Net Operating Income Allocableto Parent UnconsolidatedJointVentureNetOperatingIncomeAllocabletoParent	2160000	usd
	ofc	Unconsolidated Joint Venture Net Operating Income Allocableto Parent UnconsolidatedJointVentureNetOperatingIncomeAllocabletoParent	1890000	usd
CY2022Q2	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	0	usd
CY2021Q2	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	7204000	usd
	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	1980000	usd
	us-gaap	Disposal Group Including Discontinued Operation Revenue DisposalGroupIncludingDiscontinuedOperationRevenue	14538000	usd
CY2022Q2	us-gaap	Disposal Group Including Discontinued Operation Operating Expense DisposalGroupIncludingDiscontinuedOperationOperatingExpense	0	usd
CY2021Q2	us-gaap	Disposal Group Including Discontinued Operation Operating Expense DisposalGroupIncludingDiscontinuedOperationOperatingExpense	3702000	usd
	us-gaap	Disposal Group Including Discontinued Operation Operating Expense DisposalGroupIncludingDiscontinuedOperationOperatingExpense	971000	usd
	us-gaap	Disposal Group Including Discontinued Operation Operating Expense DisposalGroupIncludingDiscontinuedOperationOperatingExpense	7400000	usd
CY2022Q2	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	usd
CY2021Q2	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-25228000	usd
	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-342000	usd
	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-58394000	usd
CY2022Q2	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	33595000	usd
CY2021Q2	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	43219000	usd
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	64846000	usd
	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	36325000	usd
CY2022Q2	us-gaap	Assets Assets	4185193000	usd
CY2021Q2	us-gaap	Assets Assets	4052032000	usd
CY2022Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	42557000	usd
CY2021Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	19988000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	95757000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	36546000	usd
CY2022Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	42557000	usd
CY2021Q2	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	19988000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	95757000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	36546000	usd
	us-gaap	Income Loss From Continuing Operations Attributable To Noncontrolling Entity IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity	2068000	usd
CY2022Q2	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	33595000	usd
CY2021Q2	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	43219000	usd
	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	64846000	usd
	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	36325000	usd
CY2022Q2	us-gaap	Income Loss From Continuing Operations Attributable To Noncontrolling Entity IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity	1285000	usd
CY2021Q2	us-gaap	Income Loss From Continuing Operations Attributable To Noncontrolling Entity IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity	1488000	usd
	us-gaap	Income Loss From Continuing Operations Attributable To Noncontrolling Entity IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity	2369000	usd
CY2022Q2	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	92000	usd
CY2021Q2	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	134000	usd
	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	204000	usd
	us-gaap	Participating Securities Distributed And Undistributed Earnings Loss Basic ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic	247000	usd
CY2022Q2	us-gaap	Net Income Loss From Continuing Operations Available To Common Shareholders Basic NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic	32218000	usd
CY2021Q2	us-gaap	Net Income Loss From Continuing Operations Available To Common Shareholders Basic NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic	41597000	usd
	us-gaap	Net Income Loss From Continuing Operations Available To Common Shareholders Basic NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic	62273000	usd
	us-gaap	Net Income Loss From Continuing Operations Available To Common Shareholders Basic NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersBasic	34010000	usd
CY2022Q2	ofc	Dilutive Securities Effecton Basic Earnings Per Share Dilutive Redeemable Noncontrolling Interests DilutiveSecuritiesEffectonBasicEarningsPerShareDilutiveRedeemableNoncontrollingInterests	-30000	usd
CY2021Q2	ofc	Dilutive Securities Effecton Basic Earnings Per Share Dilutive Redeemable Noncontrolling Interests DilutiveSecuritiesEffectonBasicEarningsPerShareDilutiveRedeemableNoncontrollingInterests	-20000	usd
	ofc	Dilutive Securities Effecton Basic Earnings Per Share Dilutive Redeemable Noncontrolling Interests DilutiveSecuritiesEffectonBasicEarningsPerShareDilutiveRedeemableNoncontrollingInterests	-69000	usd
	ofc	Dilutive Securities Effecton Basic Earnings Per Share Dilutive Redeemable Noncontrolling Interests DilutiveSecuritiesEffectonBasicEarningsPerShareDilutiveRedeemableNoncontrollingInterests	7000	usd
CY2022Q2	us-gaap	Amount Of Dilutive Securities Stock Options And Restrictive Stock Units AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits	17000	usd
CY2021Q2	us-gaap	Amount Of Dilutive Securities Stock Options And Restrictive Stock Units AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits	11000	usd
	us-gaap	Amount Of Dilutive Securities Stock Options And Restrictive Stock Units AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits	35000	usd
	us-gaap	Amount Of Dilutive Securities Stock Options And Restrictive Stock Units AmountOfDilutiveSecuritiesStockOptionsAndRestrictiveStockUnits	9000	usd
CY2022Q2	us-gaap	Net Income Loss From Continuing Operations Available To Common Shareholders Diluted NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersDiluted	32205000	usd
CY2021Q2	us-gaap	Net Income Loss From Continuing Operations Available To Common Shareholders Diluted NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersDiluted	41588000	usd
	us-gaap	Net Income Loss From Continuing Operations Available To Common Shareholders Diluted NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersDiluted	62239000	usd
	us-gaap	Net Income Loss From Continuing Operations Available To Common Shareholders Diluted NetIncomeLossFromContinuingOperationsAvailableToCommonShareholdersDiluted	34026000	usd
CY2022Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	usd
CY2021Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	679000	usd
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	29573000	usd
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	1494000	usd
CY2022Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Noncontrolling Interest IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest	0	usd
CY2021Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Noncontrolling Interest IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest	9000	usd
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Noncontrolling Interest IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest	421000	usd
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Noncontrolling Interest IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest	19000	usd
CY2022Q2	ofc	Income Loss From Discontinued Operations Attributable To Share Based Compensation Awards For Diluted Eps IncomeLossFromDiscontinuedOperationsAttributableToShareBasedCompensationAwardsForDilutedEPS	0	usd
CY2021Q2	ofc	Income Loss From Discontinued Operations Attributable To Share Based Compensation Awards For Diluted Eps IncomeLossFromDiscontinuedOperationsAttributableToShareBasedCompensationAwardsForDilutedEPS	-2000	usd
	ofc	Income Loss From Discontinued Operations Attributable To Share Based Compensation Awards For Diluted Eps IncomeLossFromDiscontinuedOperationsAttributableToShareBasedCompensationAwardsForDilutedEPS	-90000	usd
	ofc	Income Loss From Discontinued Operations Attributable To Share Based Compensation Awards For Diluted Eps IncomeLossFromDiscontinuedOperationsAttributableToShareBasedCompensationAwardsForDilutedEPS	3000	usd
CY2022Q2	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	32205000	usd
CY2021Q2	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	42256000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	91301000	usd
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	35504000	usd
CY2022Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	112082000	shares
CY2021Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	111974000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	112052000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	111931000	shares
CY2022Q2	ofc	Incremental Common Shares Attributableto Dilutive Effectof Redeemable Noncontrolling Interests IncrementalCommonSharesAttributabletoDilutiveEffectofRedeemableNoncontrollingInterests	126000	shares
CY2021Q2	ofc	Incremental Common Shares Attributableto Dilutive Effectof Redeemable Noncontrolling Interests IncrementalCommonSharesAttributabletoDilutiveEffectofRedeemableNoncontrollingInterests	133000	shares
	ofc	Incremental Common Shares Attributableto Dilutive Effectof Redeemable Noncontrolling Interests IncrementalCommonSharesAttributabletoDilutiveEffectofRedeemableNoncontrollingInterests	129000	shares
	ofc	Incremental Common Shares Attributableto Dilutive Effectof Redeemable Noncontrolling Interests IncrementalCommonSharesAttributabletoDilutiveEffectofRedeemableNoncontrollingInterests	125000	shares
CY2022Q2	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	429000	shares
CY2021Q2	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	297000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	427000	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	280000	shares
	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.55
	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.30
CY2022Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2021Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.38
CY2022Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	112637000	shares
CY2021Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	112404000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	112608000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	112336000	shares
CY2022Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.29
CY2021Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.37
CY2021Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.01
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.26
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.02
CY2022Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.29
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.81
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.32
CY2022Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.29
CY2021Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.37
	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.55
	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.30
CY2022Q2	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Diluted Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare	0
CY2021Q2	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Diluted Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare	0.01
	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Diluted Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare	0.26
	us-gaap	Discontinued Operation Income Loss From Discontinued Operation Net Of Tax Per Diluted Share DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare	0.02
CY2022Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.29
CY2021Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.38
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.81
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.32
CY2022Q2	us-gaap	Loss Contingency Estimate Of Possible Loss LossContingencyEstimateOfPossibleLoss	3800000	usd
CY2022Q2	ofc	Property Subjectto Environmental Indemnity Numberof Properties PropertySubjecttoEnvironmentalIndemnityNumberofProperties	3	property
CY2022Q2	ofc	Maximum Additional Costs Agreed To Be Paid By The Entity Under Environmental Indemnification Agreement MaximumAdditionalCostsAgreedToBePaidByTheEntityUnderEnvironmentalIndemnificationAgreement	19000000	usd

Files In Submission

Name	View Source	Status
0000860546-22-000039-index-headers.html	Edgar Link	pending
0000860546-22-000039-index.html	Edgar Link	pending
0000860546-22-000039.txt	Edgar Link	pending
0000860546-22-000039-xbrl.zip	Edgar Link	pending
copt06302022ex311.htm	Edgar Link	pending
copt06302022ex312.htm	Edgar Link	pending
copt06302022ex321.htm	Edgar Link	pending
copt06302022ex322.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
ofc-20220630.htm	Edgar Link	pending
ofc-20220630.xsd	Edgar Link	pending
ofc-20220630_cal.xml	Edgar Link	unprocessable
ofc-20220630_def.xml	Edgar Link	unprocessable
ofc-20220630_g1.jpg	Edgar Link	pending
ofc-20220630_htm.xml	Edgar Link	completed
ofc-20220630_lab.xml	Edgar Link	unprocessable
ofc-20220630_pre.xml	Edgar Link	unprocessable
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
R15.htm	Edgar Link	pending
R16.htm	Edgar Link	pending
R17.htm	Edgar Link	pending
R18.htm	Edgar Link	pending
R19.htm	Edgar Link	pending
R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
R21.htm	Edgar Link	pending
R22.htm	Edgar Link	pending
R23.htm	Edgar Link	pending
R24.htm	Edgar Link	pending
R25.htm	Edgar Link	pending
R26.htm	Edgar Link	pending
R27.htm	Edgar Link	pending
R28.htm	Edgar Link	pending
R29.htm	Edgar Link	pending
R3.htm	Edgar Link	pending
R30.htm	Edgar Link	pending
R31.htm	Edgar Link	pending
R32.htm	Edgar Link	pending
R33.htm	Edgar Link	pending
R34.htm	Edgar Link	pending
R35.htm	Edgar Link	pending
R36.htm	Edgar Link	pending
R37.htm	Edgar Link	pending
R38.htm	Edgar Link	pending
R39.htm	Edgar Link	pending
R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
R41.htm	Edgar Link	pending
R42.htm	Edgar Link	pending
R43.htm	Edgar Link	pending
R44.htm	Edgar Link	pending
R45.htm	Edgar Link	pending
R46.htm	Edgar Link	pending
R47.htm	Edgar Link	pending
R48.htm	Edgar Link	pending
R49.htm	Edgar Link	pending
R5.htm	Edgar Link	pending
R50.htm	Edgar Link	pending
R51.htm	Edgar Link	pending
R52.htm	Edgar Link	pending
R53.htm	Edgar Link	pending
R54.htm	Edgar Link	pending
R55.htm	Edgar Link	pending
R56.htm	Edgar Link	pending
R57.htm	Edgar Link	pending
R58.htm	Edgar Link	pending
R59.htm	Edgar Link	pending
R6.htm	Edgar Link	pending
R60.htm	Edgar Link	pending
R61.htm	Edgar Link	pending
R62.htm	Edgar Link	pending
R63.htm	Edgar Link	pending
R64.htm	Edgar Link	pending
R65.htm	Edgar Link	pending
R66.htm	Edgar Link	pending
R67.htm	Edgar Link	pending
R68.htm	Edgar Link	pending
R69.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R70.htm	Edgar Link	pending
R71.htm	Edgar Link	pending
R72.htm	Edgar Link	pending
R73.htm	Edgar Link	pending
R74.htm	Edgar Link	pending
R75.htm	Edgar Link	pending
R76.htm	Edgar Link	pending
R77.htm	Edgar Link	pending
R78.htm	Edgar Link	pending
R79.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R80.htm	Edgar Link	pending
R81.htm	Edgar Link	pending
R82.htm	Edgar Link	pending
R83.htm	Edgar Link	pending
R84.htm	Edgar Link	pending
R85.htm	Edgar Link	pending
R86.htm	Edgar Link	pending
R87.htm	Edgar Link	pending
R88.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

Create your account

Find Stocks Worth Researching

Deeply Understand Businesses

Value Businesses Intelligently

$CDP
COPT Defense Properties Stock $cdp

2022 Q3 Form 10-Q Financial Statement

#000086054622000039 Filed on August 02, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CDP COPT Defense Properties Stock $cdp

2022 Q3 Form 10-Q Financial Statement

#000086054622000039 Filed on August 02, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CDP
COPT Defense Properties Stock $cdp