10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

FORM 10-Q 

(Mark one)

☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended June 30, 2022

or

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the transition period from to

Commission file number 1-14023

CORPORATE OFFICE PROPERTIES TRUST

(Exact name of registrant as specified in its charter)

Maryland	23-2947217
(State or other jurisdiction of	(IRS Employer
incorporation or organization)	Identification No.)

6711 Columbia Gateway Drive, Suite 300, Columbia, MD	21046
(Address of principal executive offices)	(Zip Code)

Registrant’s telephone number, including area code:  (443) 285-5400

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Shares of beneficial interest, $0.01 par value	OFC	New York Stock Exchange

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. ☒ Yes   ☐ No

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). ☒ Yes   ☐ No

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.

Large accelerated filer ☒ Accelerated filer ☐ Non-accelerated filer ☐ Smaller reporting company ☐ Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). ☐ Yes   ☒ No

As of July 22, 2022, 112,423,310 of Corporate Office Properties Trust’s Common Shares of Beneficial Interest, $0.01 par value, were issued and outstanding.

TABLE OF CONTENTS

FORM 10-Q

		PAGE
PART I: FINANCIAL INFORMATION
Item 1:	Financial Statements
Consolidated Financial Statements
	Consolidated Balance Sheets as of June 30, 2022 and December 31, 2021 (unaudited)	3
	Consolidated Statements of Operations for the Three and Six Months Ended June 30, 2022 and 2021 (unaudited)	4
	Consolidated Statements of Comprehensive Income for the Three and Six Months Ended June 30, 2022 and 2021 (unaudited)	5
	Consolidated Statements of Equity for the Three and Six Months Ended June 30, 2022 and 2021 (unaudited)	6
	Consolidated Statements of Cash Flows for the Six Months Ended June 30, 2022 and 2021 (unaudited)	8
Notes to Consolidated Financial Statements (unaudited)		10
Item 2:	Management’s Discussion and Analysis of Financial Condition and Results of Operations	30
Item 3:	Quantitative and Qualitative Disclosures About Market Risk	42
Item 4:	Controls and Procedures	43
PART II: OTHER INFORMATION
Item 1:	Legal Proceedings	43
Item 1A:	Risk Factors	43
Item 2:	Unregistered Sales of Equity Securities and Use of Proceeds	43
Item 3:	Defaults Upon Senior Securities	43
Item 4:	Mine Safety Disclosures	43
Item 5:	Other Information	43
Item 6:	Exhibits	44
SIGNATURES		45

2

PART I: FINANCIAL INFORMATION

Item 1. Financial Statements

Corporate Office Properties Trust and Subsidiaries

Consolidated Balance Sheets

(in thousands, except share data)

(unaudited)

	June 30, 2022		December 31, 2021
Assets
Properties, net:
Operating properties, net	$	3,180,790	$	3,090,510
Projects in development or held for future development	458,961		442,434
Total properties, net	3,639,751		3,532,944
Property - operating right-of-use assets	38,056		38,361
Assets held for sale, net	—		192,699
Cash and cash equivalents	20,735		13,262
Investment in unconsolidated real estate joint ventures	39,017		39,889
Accounts receivable, net	31,554		40,752
Deferred rent receivable	121,015		108,926
Intangible assets on property acquisitions, net	12,543		14,567
Lease incentives, net	50,871		51,486
Deferred leasing costs (net of accumulated amortization of $32,379 and $31,768, respectively)	68,004		65,850
Investing receivables (net of allowance for credit losses of $1,645 and $1,599, respectively)	84,885		82,226
Prepaid expenses and other assets, net	78,762		81,490
Total assets	$	4,185,193	$	4,262,452
Liabilities and equity
Liabilities:
Debt, net	$	2,177,811	$	2,272,304
Accounts payable and accrued expenses	177,180		186,202
Rents received in advance and security deposits	27,745		32,262
Dividends and distributions payable	31,400		31,299
Deferred revenue associated with operating leases	8,416		9,341
Property - operating lease liabilities	29,412		29,342
Other liabilities	10,526		17,729
Total liabilities	2,462,490		2,578,479
Commitments and contingencies (Note 18)
Redeemable noncontrolling interests	26,752		26,898
Equity:
Shareholders’ equity:
Common Shares of beneficial interest ($0.01 par value; 150,000,000 shares authorized; shares issued and outstanding of 112,424,671 at June 30, 2022 and 112,327,533 at December 31, 2021)	1,124		1,123
Additional paid-in capital	2,481,139		2,481,539
Cumulative distributions in excess of net income	(827,076)		(856,863)
Accumulated other comprehensive income (loss)	1,806		(3,059)
Total shareholders’ equity	1,656,993		1,622,740
Noncontrolling interests in subsidiaries:
Common units in Corporate Office Properties, L.P. (“COPLP”)	25,505		21,363
Other consolidated entities	13,453		12,972
Noncontrolling interests in subsidiaries	38,958		34,335
Total equity	1,695,951		1,657,075
Total liabilities, redeemable noncontrolling interests and equity	$	4,185,193	$	4,262,452

See accompanying notes to consolidated financial statements.

3

Corporate Office Properties Trust and Subsidiaries

Consolidated Statements of Operations

(in thousands, except per share data)

(unaudited)

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2022		2021		2022		2021
Revenues
Lease revenue	$	142,277	$	136,454	$	283,666	$	273,744
Other property revenue	969		765		1,860		1,305
Construction contract and other service revenues	42,557		19,988		95,757		36,546
Total revenues	185,803		157,207		381,283		311,595
Operating expenses
Property operating expenses	54,116		50,914		111,297		104,190
Depreciation and amortization associated with real estate operations	34,812		34,732		69,076		69,232
Construction contract and other service expenses	41,304		19,082		92,954		34,875
General, administrative and leasing expenses	8,355		9,222		16,899		17,628
Business development expenses and land carry costs	701		1,372		1,484		2,466
Total operating expenses	139,288		115,322		291,710		228,391
Interest expense	(14,808)		(15,942)		(29,232)		(33,461)
Interest and other income	1,818		2,228		3,711		4,093
Credit loss (expense) recoveries	(225)		(193)		91		714
Gain on sales of real estate	(19)		40,233		(4)		39,743
Loss on early extinguishment of debt	—		(25,228)		(342)		(58,394)
Income from continuing operations before equity in income of unconsolidated entities and income taxes	33,281		42,983		63,797		35,899
Equity in income of unconsolidated entities	318		260		1,206		482
Income tax expense	(4)		(24)		(157)		(56)
Income from continuing operations	33,595		43,219		64,846		36,325
Discontinued operations	—		679		29,573		1,494
Net income	33,595		43,898		94,419		37,819
Net income attributable to noncontrolling interests:
Common units in COPLP	(496)		(559)		(1,352)		(474)
Other consolidated entities	(789)		(938)		(1,438)		(1,613)
Net income attributable to COPT common shareholders	$	32,310	$	42,401	$	91,629	$	35,732
Basic earnings per common share: (1)
Income from continuing operations	$	0.29	$	0.37	$	0.55	$	0.30
Discontinued operations	—		0.01		0.26		0.02
Net income attributable to COPT common shareholders	$	0.29	$	0.38	$	0.81	$	0.32
Diluted earnings per common share: (1)
Income from continuing operations	$	0.29	$	0.37	$	0.55	$	0.30
Discontinued operations	—		0.01		0.26		0.02
Net income attributable to COPT common shareholders	$	0.29	$	0.38	$	0.81	$	0.32

(1) Basic and diluted earnings per common share are calculated based on amounts attributable to common shareholders of Corporate Office Properties Trust.

See accompanying notes to consolidated financial statements.

4

Corporate Office Properties Trust and Subsidiaries

Consolidated Statements of Comprehensive Income

(in thousands)

(unaudited)

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2022		2021		2022		2021
Net income	$	33,595	$	43,898	$	94,419	$	37,819
Other comprehensive income:
Unrealized income (loss) on interest rate derivatives	1,008		(240)		3,545		544
Reclassification adjustments on interest rate derivatives recognized in interest expense	754		1,203		1,757		2,378
Total other comprehensive income	1,762		963		5,302		2,922
Comprehensive income	35,357		44,861		99,721		40,741
Comprehensive income attributable to noncontrolling interests	(1,405)		(1,484)		(3,227)		(2,267)
Comprehensive income attributable to COPT	$	33,952	$	43,377	$	96,494	$	38,474

See accompanying notes to consolidated financial statements.

5

Corporate Office Properties Trust and Subsidiaries

Consolidated Statements of Equity

(Dollars in thousands)

(unaudited)

	Common Shares		Additional Paid-in Capital		Cumulative Distributions in Excess of Net Income		Accumulated Other Comprehensive Income (Loss)		Noncontrolling Interests		Total
For the Three Months Ended June 30, 2021
Balance at March 31, 2021 (112,327,234 common shares outstanding)	$	1,123	$	2,476,807	$	(847,407)	$	(7,391)	$	33,660	$	1,656,792
Redemption of common units	—		—		—		—		(241)		(241)
Share-based compensation (8,836 shares issued, net of redemptions)	—		1,078		—		—		1,067		2,145
Redemption of vested equity awards	—		(68)		—		—		—		(68)
Adjustments to noncontrolling interests resulting from changes in ownership of COPLP	—		739		—		—		(739)		—
Comprehensive income	—		—		42,401		976		743		44,120
Dividends	—		—		(30,888)		—		—		(30,888)
Distributions to owners of common units in COPLP	—		—		—		—		(400)		(400)
Distributions to noncontrolling interests in other consolidated entities	—		—		—		—		(8)		(8)
Adjustment to arrive at fair value of redeemable noncontrolling interests	—		(140)		—		—		—		(140)
Balance at June 30, 2021 (112,336,070 common shares outstanding)	$	1,123	$	2,478,416	$	(835,894)	$	(6,415)	$	34,082	$	1,671,312
For the Three Months Ended June 30, 2022
Balance at March 31, 2022 (112,418,811 common shares outstanding)	$	1,124	$	2,479,119	$	(828,473)	$	164	$	38,602	$	1,690,536
Redemption of common units	—		—		—		—		(164)		(164)
Share-based compensation (5,860 shares issued, net of redemptions)	—		1,007		—		—		1,370		2,377
Redemption of vested equity awards	—		(61)		—		—		—		(61)
Adjustments to noncontrolling interests resulting from changes in ownership of COPLP	—		1,036		—		—		(1,036)		—
Comprehensive income	—		—		32,310		1,642		666		34,618
Dividends	—		—		(30,913)		—		—		(30,913)
Distributions to owners of common units in COPLP	—		—		—		—		(472)		(472)
Distributions to noncontrolling interests in other consolidated entities	—		—		—		—		(8)		(8)
Adjustment to arrive at fair value of redeemable noncontrolling interests	—		38		—		—		—		38
Balance at June 30, 2022 (112,424,671 common shares outstanding)	$	1,124	$	2,481,139	$	(827,076)	$	1,806	$	38,958	$	1,695,951

See accompanying notes to consolidated financial statements.

6

Corporate Office Properties Trust and Subsidiaries

Consolidated Statements of Equity

(Dollars in thousands)

(unaudited)

	Common Shares		Additional Paid-in Capital		Cumulative Distributions in Excess of Net Income		Accumulated Other Comprehensive Income (Loss)		Noncontrolling Interests		Total
For the Six Months Ended June 30, 2021
Balance at December 31, 2020 (112,181,759 common shares outstanding)	$	1,122	$	2,478,906	$	(809,836)	$	(9,157)	$	32,677	$	1,693,712
Conversion of common units to common shares (8,054 shares)	—		121		—		—		(121)		—
Redemption of common units	—		—		—		—		(241)		(241)
Share-based compensation (146,257 shares issued, net of redemptions)	1		2,175		—		—		1,984		4,160
Redemption of vested equity awards	—		(2,358)		—		—		—		(2,358)
Adjustments to noncontrolling interests resulting from changes in ownership of COPLP	—		194		—		—		(194)		—
Comprehensive income	—		—		35,732		2,742		1,114		39,588
Dividends	—		—		(61,790)		—		—		(61,790)
Distributions to owners of common units in COPLP	—		—		—		—		(798)		(798)
Distributions to noncontrolling interests in other consolidated entities	—		—		—		—		(15)		(15)
Adjustment to arrive at fair value of redeemable noncontrolling interests	—		(622)		—		—		—		(622)
Other	—		—		—		—		(324)		(324)
Balance at June 30, 2021 (112,336,070 common shares outstanding)	$	1,123	$	2,478,416	$	(835,894)	$	(6,415)	$	34,082	$	1,671,312
For the Six Months Ended June 30, 2022
Balance at December 31, 2021 (112,327,533 common shares outstanding)	$	1,123	$	2,481,539	$	(856,863)	$	(3,059)	$	34,335	$	1,657,075
Redemption of common units	—		—		—		—		(376)		(376)
Share-based compensation (97,138 shares issued, net of redemptions)	1		2,021		—		—		2,656		4,678
Redemption of vested equity awards	—		(1,120)		—		—		—		(1,120)
Adjustments to noncontrolling interests resulting from changes in ownership of COPLP	—		(1,378)		—		—		1,378		—
Comprehensive income	—		—		91,629		4,865		1,921		98,415
Dividends	—		—		(61,842)		—		—		(61,842)
Distributions to owners of common units in COPLP	—		—		—		—		(941)		(941)
Distributions to noncontrolling interests in other consolidated entities	—		—		—		—		(15)		(15)
Adjustment to arrive at fair value of redeemable noncontrolling interests	—		77		—		—		—		77
Balance at June 30, 2022 (112,424,671 common shares outstanding)	$	1,124	$	2,481,139	$	(827,076)	$	1,806	$	38,958	$	1,695,951

See accompanying notes to consolidated financial statements.

7

Corporate Office Properties Trust and Subsidiaries

Consolidated Statements of Cash Flows

(in thousands)

(unaudited) 

	For the Six Months Ended June 30,
	2022		2021
Cash flows from operating activities
Revenues from real estate operations received	$	285,858	$	280,708
Construction contract and other service revenues received	90,663		38,419
Property operating expenses paid	(99,512)		(91,672)
Construction contract and other service expenses paid	(88,833)		(34,445)
General, administrative, leasing, business development and land carry costs paid	(17,782)		(15,399)
Interest expense paid	(26,732)		(31,392)
Lease incentives paid	(7,739)		(7,442)
Other	2,797		(765)
Net cash provided by operating activities	138,720		138,012
Cash flows from investing activities
Development and redevelopment of properties	(142,862)		(110,909)
Tenant improvements on operating properties	(16,734)		(10,872)
Other capital improvements on operating properties	(21,590)		(12,382)
Proceeds from sale of properties	220,780		114,394
Leasing costs paid	(4,121)		(11,408)
Other	(565)		576
Net cash provided by (used in) investing activities	34,908		(30,601)
Cash flows from financing activities
Proceeds from debt
Revolving Credit Facility	329,000		387,000
Unsecured senior notes	—		589,818
Other debt proceeds	—		4,459
Repayments of debt
Revolving Credit Facility	(224,000)		(361,000)
Unsecured senior notes	—		(600,000)
Scheduled principal amortization	(1,618)		(1,922)
Other debt repayments	(200,000)		—
Payments in connection with early extinguishment of debt	(6)		(55,713)
Common share dividends paid	(61,814)		(61,747)
Other	(6,859)		(8,564)
Net cash used in financing activities	(165,297)		(107,669)
Net increase (decrease) in cash and cash equivalents and restricted cash	8,331		(258)
Cash and cash equivalents and restricted cash
Beginning of period	17,316		22,033
End of period	$	25,647	$	21,775

See accompanying notes to consolidated financial statements.

8

Corporate Office Properties Trust and Subsidiaries

Consolidated Statements of Cash Flows (continued)

(in thousands)

(unaudited)

	For the Six Months Ended June 30,
	2022		2021
Reconciliation of net income to net cash provided by operating activities:
Net income	$	94,419	$	37,819
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and other amortization	70,235		76,476
Amortization of deferred financing costs and net debt discounts	2,351		2,666
Increase in deferred rent receivable	(11,603)		(9,421)
Gain on sales of real estate	(28,560)		(39,743)
Share-based compensation	4,301		3,913
Loss on early extinguishment of debt	342		58,394
Other	(2,549)		(2,462)
Changes in operating assets and liabilities:
Decrease in accounts receivable	9,374		45
Decrease in lease incentives and prepaid expenses and other assets, net	8,407		13,894
Decrease in accounts payable, accrued expenses and other liabilities	(3,480)		(1,037)
Decrease in rents received in advance and security deposits	(4,517)		(2,532)
Net cash provided by operating activities	$	138,720	$	138,012
Reconciliation of cash and cash equivalents and restricted cash:
Cash and cash equivalents at beginning of period	$	13,262	$	18,369
Restricted cash at beginning of period	4,054		3,664
Cash and cash equivalents and restricted cash at beginning of period	$	17,316	$	22,033
Cash and cash equivalents at end of period	$	20,735	$	17,182
Restricted cash at end of period	4,912		4,593
Cash and cash equivalents and restricted cash at end of period	$	25,647	$	21,775
Supplemental schedule of non-cash investing and financing activities:
Decrease in accrued capital improvements, leasing and other investing activity costs	$	(6,222)	$	(15,887)
Recognition of operating right-of-use assets and related lease liabilities	$	683	$	328
Investment in unconsolidated real estate joint venture retained in property disposition	$	—	$	11,842
Increase in fair value of derivatives applied to accumulated other comprehensive loss and noncontrolling interests	$	5,072	$	2,922
Dividends/distributions payable	$	31,400	$	31,302
Decrease in noncontrolling interests and increase in shareholders’ equity in connection with the conversion of common units into common shares	$	—	$	121
Adjustments to noncontrolling interests resulting from changes in COPLP ownership	$	1,378	$	(194)
(Decrease) increase in redeemable noncontrolling interests and (increase) decrease in equity to carry redeemable noncontrolling interests at fair value	$	(77)	$	622

See accompanying notes to consolidated financial statements.

9

Corporate Office Properties Trust and Subsidiaries

Notes to Consolidated Financial Statements

(unaudited)

1.    Organization

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:

•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;

•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

•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.

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”).

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.

COPT’s common shares are publicly traded on the New York Stock Exchange (“NYSE”) under the ticker symbol “OFC”.

2.    Summary of Significant Accounting Policies

Basis of Presentation

These consolidated financial statements include the accounts of COPT, the Operating Partnership, their subsidiaries and other entities in which COPT has a majority voting interest and control.  We also consolidate certain entities when control of such entities can be achieved through means other than voting rights (“variable interest entities” or “VIEs”) if we are deemed to be the primary beneficiary of such entities.  We eliminate all intercompany balances and transactions in consolidation.

We use the equity method of accounting when we own an interest in an entity and can exert significant influence over but cannot control the entity’s operations. We discontinue equity method accounting if our investment in an entity (and net advances) is reduced to zero unless we have guaranteed obligations of the entity or are otherwise committed to provide further financial support for the entity.

When we own an equity investment in an entity and cannot exert significant influence over its operations, we measure the investment at fair value, with changes recognized through net income. For an investment without a readily determinable fair value, we measure the investment at cost, less any impairments, plus or minus changes resulting from observable price changes for an identical or similar investment of the same issuer.

These interim financial statements should be read together with the consolidated financial statements and notes thereto as of and for the year ended December 31, 2021 included in our 2021 Annual Report on Form 10-K.  The unaudited consolidated financial statements include all adjustments that are necessary, in the opinion of management, to fairly state our financial position and results of operations.  All adjustments are of a normal recurring nature.  The consolidated financial statements have been prepared using the accounting policies described in our 2021 Annual Report on Form 10-K as updated for our adoption of recent accounting pronouncements discussed below.

10

Reclassifications

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.

Recent Accounting Pronouncements

In March 2020, the Financial Accounting Standards Board issued guidance containing practical expedients for reference rate reform related activities pertaining to debt, leases, derivatives and other contracts. The guidance is optional and may be elected over time as reference rate reform activities occur. In 2020, we elected to apply an expedient to treat any changes in loans resulting from reference rate reform as debt modifications (as opposed to extinguishments) and hedge accounting expedients related to probability and the assessments of effectiveness for future LIBOR-indexed cash flows to assume that the index upon which future hedged transactions will be based matches the index on the corresponding derivatives. Application of the hedge accounting expedients preserves the presentation of derivatives consistent with past presentation. We will continue to evaluate the impact of this guidance and may apply other elections as applicable as additional changes in the market occur.

3.     Fair Value Measurements

Recurring Fair Value Measurements

We have a non-qualified elective deferred compensation plan for Trustees and certain members of our management team that, prior to December 31, 2019, permitted participants to defer up to 100% of their compensation on a pre-tax basis and receive a tax-deferred return on such deferrals. Effective December 31, 2019, no new investments of deferred compensation were eligible for the plan.  The assets held in the plan (comprised primarily of mutual funds and equity securities) and the corresponding liability to the participants are measured at fair value on a recurring basis on our consolidated balance sheets using quoted market prices, as are other marketable securities that we hold. The balance of the plan, which was fully funded and totaled $1.9 million as of June 30, 2022, is included in the line entitled “prepaid expenses and other assets, net” on our consolidated balance sheets along with an insignificant amount of other marketable securities. The offsetting liability associated with the plan is adjusted to fair value at the end of each accounting period based on the fair value of the plan assets and reported in “other liabilities” on our consolidated balance sheets. The assets of the plan are classified in Level 1 of the fair value hierarchy, while the offsetting liability is classified in Level 2 of the fair value hierarchy.

The fair values of our interest rate derivatives are determined using widely accepted valuation techniques, including a discounted cash flow analysis on the expected cash flows of each derivative. This analysis reflects the contractual terms of the derivatives, including the period to maturity, and uses observable market-based inputs, including interest rate market data and implied volatilities in such interest rates. While we determined that the majority of the inputs used to value our derivatives fall within Level 2 of the fair value hierarchy, the credit valuation adjustments associated with our interest rate derivatives utilize Level 3 inputs, such as estimates of current credit spreads to evaluate the likelihood of default. However, as of June 30, 2022, we assessed the significance of the impact of the credit valuation adjustments on the overall valuation of our derivatives and determined that these adjustments were not significant. As a result, we determined that our interest rate derivative valuations in their entirety are classified in Level 2 of the fair value hierarchy.

The carrying values of cash and cash equivalents, restricted cash, accounts receivable, other assets (excluding investing receivables) and accounts payable and accrued expenses are reasonable estimates of their fair values because of the short maturities of these instruments.  The fair values of our investing receivables, as disclosed in Note 7, were based on the discounted estimated future cash flows of the loans (categorized within Level 3 of the fair value hierarchy); the discount rates used approximate current market rates for loans with similar maturities and credit quality, and the estimated cash payments include scheduled principal and interest payments.  For our disclosure of debt fair values in Note 9, we estimated the fair value of our unsecured senior notes based on quoted market rates for our senior notes (categorized within Level 1 of the fair value hierarchy) and estimated the fair value of our other debt based on the discounted estimated future cash payments to be made on such debt (categorized within Level 3 of the fair value hierarchy); the discount rates used approximate current market rates for loans, or groups of loans, with similar maturities and credit quality, and the estimated future payments include scheduled principal and interest payments.  Fair value estimates are made as of a specific point in time, are subjective in nature and involve uncertainties and matters of significant judgment. 

For additional fair value information, refer to Note 7 for investing receivables, Note 9 for debt and Note 10 for interest rate derivatives. 

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The table below sets forth our financial assets and liabilities accounted for at fair value on a recurring basis as of June 30, 2022 and the hierarchy level of inputs used in measuring their respective fair values under applicable accounting standards (in thousands):

Description	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable  Inputs (Level 3)		Total
Assets:
Marketable securities in deferred compensation plan (1)
Mutual funds	$	1,824	$	—	$	—	$	1,824
Other	57		—		—		57
Other marketable securities (1)	32		—		—		32
Interest rate derivatives (1)	—		2,468		—		2,468
Total assets	$	1,913	$	2,468	$	—	$	4,381
Liabilities:
Deferred compensation plan liability (2)	$	—	$	1,881	$	—	$	1,881

(1)Included in the line entitled “prepaid expenses and other assets, net” on our consolidated balance sheet.

(2)Included in the line entitled “other liabilities” on our consolidated balance sheet.

4.    Properties, Net

Operating properties, net consisted of the following (in thousands): 

	June 30, 2022		December 31, 2021
Land	$	584,878	$	572,900
Buildings and improvements	3,809,623		3,670,133
Less: Accumulated depreciation	(1,213,711)		(1,152,523)
Operating properties, net	$	3,180,790	$	3,090,510

2022 Dispositions and Discontinued Operations

On January 25, 2022, we sold 9651 Hornbaker Road in Manassas, Virginia, our sole wholesale data center investment, for $222.5 million, resulting in a gain on sale of $28.6 million. This property, a separate reportable segment, is reported herein as discontinued operations. The table below sets forth the components of the property’s assets classified as held for sale on our consolidated balance sheet as of December 31, 2021 (in thousands):

Properties, net	$	191,857
Deferred rent receivable	462
Intangible assets on property acquisitions, net	73
Deferred leasing costs, net	307
Assets held for sale, net	$	192,699

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The table below sets forth the property’s results of operations included in discontinued operations on our consolidated statements of operations and its operating and investing cash flows included on our consolidated statements of cash flows (in thousands):

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2022		2021		2022		2021
	(in thousands)
Revenues from real estate operations	$	—	$	7,204	$	1,980	$	14,538
Property operating expenses	—		(3,702)		(971)		(7,400)
Depreciation and amortization associated with real estate operations	—		(2,823)		—		(5,644)
Gain on sale of real estate	—		—		28,564		—
Discontinued operations	$	—	$	679	$	29,573	$	1,494
Cash flows from operating activities					$	5,497	$	8,938
Cash flows from investing activities					$	220,549	$	(577)

2022 Development Activities

During the six months ended June 30, 2022, we placed into service 363,000 square feet in three newly-developed properties. As of June 30, 2022, we had 12 properties under development, including one partially-operational property, and an expansion of one fully-operational property that we estimate will total 1.9 million square feet upon completion.

5.    Leases

Lessor Arrangements

We lease real estate properties, comprised primarily of office properties and data center shells, to third parties. These leases encompass all, or a portion, of properties, with various expiration dates. Our lease revenue is comprised of: fixed lease revenue, including contractual rent billings under leases recognized on a straight-line basis over lease terms and amortization of lease incentives and above- and below- market lease intangibles; and variable lease revenue, including tenant expense recoveries, lease termination revenue and other revenue from tenants that is not fixed under leases. The table below sets forth our composition of lease revenue recognized between fixed and variable lease revenue (in thousands):

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
Lease revenue (1)	2022		2021		2022		2021
Fixed	$	112,691	$	107,823	$	223,858	$	214,758
Variable	29,586		28,631		59,808		58,986
	$	142,277	$	136,454	$	283,666	$	273,744

(1)Excludes lease revenue from discontinued operations of which: $5.6 million was fixed and $1.6 million was variable for the three months ended June 30, 2021; and $1.5 million and $11.1 million was fixed and $527,000 and $3.4 million was variable for the six months ended June 30, 2022 and 2021, respectively.

Fixed contractual payments due under our property leases were as follows (in thousands):

	As of June 30, 2022
Year Ending December 31,	Operating leases		Sales-type leases
2022 (1)	$	223,948	$	480
2023	420,071		960
2024	372,126		960
2025	285,179		960
2026	221,782		960
Thereafter	1,055,808		3,556
Total contractual payments	$	2,578,914	7,876
Less: Amount representing interest			(1,942)
Net investment in sales-type leases			$	5,934

(1)Represents the six months ending December 31, 2022.

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Lessee Arrangements

As of June 30, 2022, our balance sheet included $40.3 million in right-of-use assets associated primarily with land leased from third parties underlying certain properties that we are operating with various expiration dates. Our property right-of-use assets consisted of the following (in thousands):

Leases	Balance Sheet Location	June 30, 2022		December 31, 2021
Right-of-use assets
Operating leases - Property	Property - operating right-of-use assets	$	38,056	$	38,361
Finance leases - Property	Prepaid expenses and other assets, net	2,222		2,238
Total right-of-use assets		$	40,278	$	40,599

Our property lease liabilities reported on our consolidated balance sheets consisted of the following (in thousands):

Leases	Balance Sheet Location	June 30, 2022		December 31, 2021
Lease liabilities
Operating leases - Property	Property - operating lease liabilities	$	29,412	$	29,342

As of June 30, 2022, our operating leases had a weighted average remaining lease term of 52 years and a weighted average discount rate of 7.19%. The table below presents our total property lease cost (in thousands):

	Statement of Operations Location	For the Three Months Ended June 30,				For the Six Months Ended June 30,
Lease cost		2022		2021		2022		2021
Operating lease cost
Property leases - fixed	Property operating expenses	$	1,032	$	1,013	$	2,051	$	1,986
Property leases - variable	Property operating expenses	17		10		33		20
Finance lease cost
Amortization of property right-of-use assets	Property operating expenses	8		9		16		18
		$	1,057	$	1,032	$	2,100	$	2,024

The table below presents the effect of property lease payments on our consolidated statements of cash flows (in thousands):

	For the Six Months Ended June 30,
Supplemental cash flow information	2022		2021
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows for operating leases	$	1,676	$	1,586
Financing cash flows for financing leases	$	—	$	10

Payments on property operating leases were due as follows (in thousands):

Year Ending December 31,	June 30, 2022
2022 (1)	$	1,679
2023	3,399
2024	3,451
2025	1,797
2026	1,578
Thereafter	125,934
Total lease payments	137,838
Less: Amount representing interest	(108,426)
Lease liability	$	29,412

(1)Represents the six months ending December 31, 2022.

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6.    Real Estate Joint Ventures

Consolidated Real Estate Joint Ventures

The table below sets forth information pertaining to our investments in consolidated real estate joint ventures as of June 30, 2022 (dollars in thousands):

		Nominal Ownership %		June 30, 2022 (1)
	Date Acquired			Total Assets		Encumbered Assets		Total Liabilities
Entity			Location
LW Redstone Company, LLC (2)	3/23/2010	85%	Huntsville, Alabama	$	547,429	$	88,065	$	108,738
Stevens Investors, LLC (3)	8/11/2015	95%	Washington, DC	167,443		—		904
M Square Associates, LLC	6/26/2007	50%	College Park, Maryland	102,419		60,153		51,802
				$	817,291	$	148,218	$	161,444

(1)Excludes amounts eliminated in consolidation.

(2)We fund all capital requirements. Our partner generally receives distributions of the first $1.2 million of annual operating cash flows and we receive the remainder.

(3)As of June 30, 2022, we also had a $112.0 million construction loan to the joint venture, which is eliminated in consolidation, that carries an interest rate of LIBOR plus 2.35% and had a balance of $95.3 million; the loan matures on August 11, 2024, and we have priority for repayment in full of borrowings and accrued interest on the loan over partner distributions of any future refinancing proceeds or other available cash flows.

Unconsolidated Real Estate Joint Ventures

The table below sets forth information pertaining to our investments in unconsolidated real estate joint ventures accounted for using the equity method of accounting (dollars in thousands):

	Date Acquired	Nominal Ownership %	Number of Properties	Carrying Value of Investment (1)
Entity				June 30, 2022		December 31, 2021
B RE COPT DC JV II LLC (2)	10/30/2020	10%	8	$	15,291	$	15,579
BREIT COPT DC JV LLC	6/20/2019	10%	9	11,971		12,460
B RE COPT DC JV III LLC	6/2/2021	10%	2	11,755		11,850
			19	$	39,017	$	39,889

(1)Included in the line entitled “investment in unconsolidated real estate joint ventures” on our consolidated balance sheets.

(2)Our investment in B RE COPT DC JV II LLC was lower than our share of the joint venture’s equity by $7.1 million as of June 30, 2022 and $7.2 million as of December 31, 2021 due to a difference between our cost basis and our share of the joint venture’s underlying equity in its net assets. We recognize adjustments to our share of the joint venture’s earnings and losses resulting from this basis difference in the underlying assets of the joint venture.

7.    Investing Receivables

Investing receivables consisted of the following (in thousands): 

	June 30, 2022		December 31, 2021
Notes receivable from the City of Huntsville	$	81,497	$	77,784
Other investing loans receivable	5,033		6,041
Amortized cost basis	86,530		83,825
Allowance for credit losses	(1,645)		(1,599)
Investing receivables, net	$	84,885	$	82,226

The balances above include accrued interest receivable, net of allowance for credit losses, of $2.3 million as of June 30, 2022 and $5.3 million as of December 31, 2021.

Our notes receivable from the City of Huntsville funded infrastructure costs in connection with our LW Redstone Company, LLC joint venture (see Note 6) and carry an interest rate of 9.95%. Our other investing loans receivable carry an interest rate of 8.0%.

The fair value of these receivables was approximately $88 million as of June 30, 2022 and $84 million as of December 31, 2021.

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8.    Prepaid Expenses and Other Assets, Net

Prepaid expenses and other assets, net consisted of the following (in thousands): 

	June 30, 2022		December 31, 2021
Construction contract costs in excess of billings, net	$	29,223	$	22,384
Furniture, fixtures and equipment, net	9,014		9,599
Deposits	7,154		3,910
Non-real estate equity investments	6,107		5,544
Prepaid expenses	6,066		20,058
Net investment in sales-type leases	5,934		6,194
Restricted cash	4,912		4,054
Interest rate derivatives	2,468		355
Property - finance right-of-use assets	2,222		2,238
Marketable securities in deferred compensation plan	1,881		2,556
Deferred tax asset, net (1)	1,685		1,841
Deferred financing costs, net (2)	746		1,314
Other assets	1,350		1,443
Prepaid expenses and other assets, net	$	78,762	$	81,490

(1)Includes a valuation allowance of $24,000 as of June 30, 2022 and December 31, 2021.

(2)Represents deferred costs, net of accumulated amortization, attributable to our Revolving Credit Facility and interest rate derivatives.

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9.    Debt, Net

Our debt consisted of the following (dollars in thousands):

	Carrying Value (1) as of
	June 30, 2022		December 31, 2021		June 30, 2022
					Stated Interest Rates	Scheduled Maturity
Mortgage and Other Secured Debt:
Fixed rate mortgage debt	$	85,708	$	86,960	3.82% - 4.62% (2)	2023-2026
Variable rate secured debt	33,530		33,667		LIBOR + 1.45% to 1.55% (3)	2025-2026
Total mortgage and other secured debt	119,238		120,627
Revolving Credit Facility (4)	181,000		76,000		LIBOR + 0.775% to 1.45% (5)	March 2023 (4)
Term Loan Facility (6)	99,904		299,420		LIBOR + 1.00% to 1.65% (7)	December 2022
Unsecured Senior Notes
2.25%, $400,000 aggregate principal	396,013		395,491		2.25% (8)	March 2026
2.00%, $400,000 aggregate principal	396,749		396,512		2.00% (9)	January 2029
2.75%, $600,000 aggregate principal	589,588		589,060		2.75% (10)	April 2031
2.90%, $400,000 aggregate principal	394,643		394,441		2.90% (11)	December 2033
Unsecured note payable	676		753		0% (12)	May 2026
Total debt, net	$	2,177,811	$	2,272,304

(1)The carrying values of our debt other than the Revolving Credit Facility reflect net deferred financing costs of $4.9 million as of June 30, 2022 and $5.8 million as of December 31, 2021.

(2)The weighted average interest rate on our fixed rate mortgage debt was 4.07% as of June 30, 2022.

(3)The weighted average interest rate on our variable rate secured debt was 2.58% as of June 30, 2022.

(4)The facility matures in March 2023, with the ability for us to further extend such maturity by two six-month periods at our option, provided that there is no default under the facility and we pay an extension fee of 0.075% of the total availability under the facility for each extension period. In connection with this facility, we also have the ability to borrow up to $500.0 million under new term loans from the facility’s lender group provided that there is no default under the facility and subject to the approval of the lenders.

(5)The weighted average interest rate on the Revolving Credit Facility was 2.38% as of June 30, 2022.

(6)We repaid $200.0 million of this loan during the six months ended June 30, 2022.

(7)The interest rate on this loan was 2.31% as of June 30, 2022.

(8)The carrying value of these notes reflects an unamortized discount totaling $3.2 million as of June 30, 2022 and $3.6 million as of December 31, 2021. The effective interest rate under the notes, including amortization of the issuance costs, was 2.48%.

(9)The carrying value of these notes reflects an unamortized discount totaling $2.3 million as of June 30, 2022 and $2.5 million as of December 31, 2021. The effective interest rate under the notes, including amortization of the issuance costs, was 2.09%.

(10)The carrying value of these notes reflects an unamortized discount totaling $9.0 million as of June 30, 2022 and $9.5 million as of December 31, 2021. The effective interest rate under the notes, including amortization of the issuance costs, was 2.94%.

(11)The carrying value of these notes reflects an unamortized discount totaling $4.4 million as of June 30, 2022 and $4.5 million as of December 31, 2021. The effective interest rate under the notes, including amortization of the issuance costs, was 3.01%.

(12)This note carries an interest rate that, upon assumption, was below market rates and it therefore was recorded at its fair value based on applicable effective interest rates.  The carrying value of this note reflects an unamortized discount totaling $85,000 as of June 30, 2022 and $108,000 as of December 31, 2021.

All debt is owed by the Operating Partnership. While COPT is not directly obligated by any debt, it has guaranteed COPLP’s Revolving Credit Facility, Term Loan Facility and Unsecured Senior Notes.

Certain of our debt instruments require that we comply with a number of restrictive financial covenants.  As of June 30, 2022, we were compliant with these financial covenants.

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Our debt matures on the following schedule (in thousands):

Year Ending December 31,	June 30, 2022
2022 (1)	$	101,715
2023	199,953
2024	29,983
2025	23,717
2026	446,300
Thereafter	1,400,000
Total	$	2,201,668	(2)

(1)Represents the six months ending December 31, 2022.

(2)Represents scheduled principal amortization and maturities only and therefore excludes net discounts and deferred financing costs of $23.9 million.

We capitalized interest costs of $1.4 million in the three months ended June 30, 2022, $1.7 million in the three months ended June 30, 2021, $2.9 million in the six months ended June 30, 2022 and $3.5 million in the six months ended June 30, 2021.

The following table sets forth information pertaining to the fair value of our debt (in thousands): 

	June 30, 2022				December 31, 2021
	Carrying Amount		Estimated Fair Value		Carrying Amount		Estimated Fair Value
Fixed-rate debt
Unsecured Senior Notes	$	1,776,993	$	1,739,316	$	1,775,504	$	1,809,950
Other fixed-rate debt	86,384		82,707		87,713		87,339
Variable-rate debt	314,434		313,220		409,087		409,639
	$	2,177,811	$	2,135,243	$	2,272,304	$	2,306,928

10.    Interest Rate Derivatives

The following table sets forth the key terms and fair values of our interest rate swap derivatives (dollars in thousands):

							Fair Value at
Notional Amount			Fixed Rate	Floating Rate Index	Effective Date	Expiration Date	June 30, 2022		December 31, 2021
$	100,000		1.901%	One-Month LIBOR	9/1/2016	12/1/2022	$	269	$	(1,361)
$	100,000		1.905%	One-Month LIBOR	9/1/2016	12/1/2022	268		(1,365)
$	11,000	(1)	1.678%	One-Month LIBOR	8/1/2019	8/1/2026	495		(234)
$	22,925	(2)	0.573%	One-Month LIBOR	4/1/2020	3/26/2025	1,436		355
$	50,000	(3)	1.908%	One-Month LIBOR	9/1/2016	N/A	—		(684)
							$	2,468	$	(3,289)

(1)The notional amount of this instrument is scheduled to amortize to $10.0 million.

(2)The notional amount of this instrument is scheduled to amortize to $22.1 million.

(3)We cash settled this swap and accrued interest thereon for $625,000 on January 28, 2022.

Each of these swaps was designated as a cash flow hedge of interest rate risk except for the swap with a $50.0 million notional amount for which we discontinued hedge accounting in December 2021.

The table below sets forth the fair value of our interest rate derivatives as well as their classification on our consolidated balance sheets (in thousands):

		Fair Value at
Derivatives	Balance Sheet Location	June 30, 2022		December 31, 2021
Interest rate swaps designated as cash flow hedges	Prepaid expenses and other assets, net	$	2,468	$	355
Interest rate swaps designated as cash flow hedges	Other liabilities	$	—	$	(2,960)
Interest rate swap not designated	Other liabilities	$	—	$	(684)

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The table below presents the effect of our interest rate derivatives on our consolidated statements of operations and comprehensive income (in thousands):

	Amount of Income (Loss) Recognized in AOCI on Derivatives								Amount of Loss Reclassified from AOCI into Interest Expense on Statement of Operations
Derivatives in Hedging Relationships	For the Three Months Ended June 30,				For the Six Months Ended June 30,				For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2022		2021		2022		2021		2022		2021		2022		2021
Interest rate derivatives	$	1,008	$	(240)	$	3,545	$	544	$	(754)	$	(1,203)	$	(1,757)	$	(2,378)

Based on the fair value of our derivatives as of June 30, 2022, we estimate that approximately $1.0 million of gains will be reclassified from accumulated other comprehensive income (“ AOCI”) as a decrease to interest expense over the next 12 months.

We have agreements with each of our interest rate derivative counterparties that contain provisions under which, if we default or are capable of being declared in default on defined levels of our indebtedness, we could also be declared in default on our derivative obligations. Failure to comply with the loan covenant provisions could result in our being declared in default on any derivative instrument obligations covered by the agreements. As of June 30, 2022, we were not in default with any of these provisions, and we had not posted any collateral related to these agreements. 

11.    Redeemable Noncontrolling Interests

Our partners in two real estate joint ventures, LW Redstone Company, LLC and Stevens Investors, LLC, have the right to require us to acquire their respective interests at fair value; accordingly, we classify the fair value of our partners’ interests as redeemable noncontrolling interests in the mezzanine section of our consolidated balance sheets. The table below sets forth the activity for these redeemable noncontrolling interests (in thousands):

	For the Six Months Ended June 30,
	2022		2021
Beginning balance	$	26,898	$	25,430
Distributions to noncontrolling interests	(1,375)		(1,165)
Net income attributable to noncontrolling interests	1,306		1,153
Adjustment to arrive at fair value of interests	(77)		622
Ending balance	$	26,752	$	26,040

We determine the fair value of the interests based on unobservable inputs after considering the assumptions that market participants would make in pricing the interest. We apply a discount rate to the estimated future cash flows allocable to our partners from the properties underlying the respective joint ventures. Estimated cash flows used in such analyses are based on our plans for the properties and our views of market and economic conditions, and consider items such as current and future rental rates, occupancy projections and estimated operating and development expenditures.

12.    Equity

In May 2022, we entered into an at-the-market (“ATM”) stock offering program (the “2022 ATM Program”) that replaced a similar program established in 2018 (the “2018 ATM Program”) because we replaced the registration statement under which the 2018 ATM Program was registered with a new registration statement. Under the 2022 ATM Program, we may offer and sell common shares in at-the-market stock offerings having an aggregate gross sales price of up to $300 million and may also, at our discretion, sell common shares under forward equity sales agreements. As of June 30, 2022, we had not issued any shares under the 2022 ATM Program.

We declared dividends per common share of $0.275 in the three months ended June 30, 2022 and 2021 and $0.550 in the six months ended June 30, 2022 and 2021.

See Note 16 for disclosure of COPT common share and COPLP common unit activity pertaining to our share-based compensation plans.

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13.    Credit Losses, Financial Assets and Other Instruments

The table below sets forth the allowance for credit losses activity for the six months ended June 30, 2022 and 2021 (in thousands):

	Investing Receivables		Tenant Notes Receivable (1)		Other Assets (2)		Total
December 31, 2021	$	1,599	$	1,057	$	913	$	3,569
Credit loss expense (recoveries)	46		(76)		(61)		(91)
June 30, 2022	$	1,645	$	981	$	852	$	3,478
December 31, 2020	$	2,851	$	1,203	$	643	$	4,697
Credit loss (recoveries) expense	(719)		(77)		82		(714)
June 30, 2021	$	2,132	$	1,126	$	725	$	3,983

(1)Included in the line entitled “accounts receivable, net” on our consolidated balance sheets.

(2)The balance as of June 30, 2022 and December 31, 2021 included $742,000 and $218,000, respectively, in the line entitled “accounts receivable, net” and $110,000 and $695,000, respectively, in the line entitled “prepaid expenses and other assets, net” on our consolidated balance sheets. The balance as of June 30, 2021 and December 31, 2020 included $89,000 and $257,000, respectively, in the line entitled “accounts receivable, net” and $636,000 and $386,000, respectively, in the line entitled “prepaid expenses and other assets, net” on our consolidated balance sheets.

The following table presents the amortized cost basis of our investing receivables, tenant notes receivable and sales-type lease receivables by credit risk classification, by origination year as of June 30, 2022 (in thousands):

	Origination Year
	2017 and Earlier		2018		2019		2020		2021		Total
Investing receivables:
Credit risk classification:
Investment grade	$	73,478	$	—	$	—	$	1,757	$	6,262	$	81,497
Non-investment grade	—		—		5,033		—		—		5,033
Total	$	73,478	$	—	$	5,033	$	1,757	$	6,262	$	86,530
Tenant notes receivable:
Credit risk classification:
Investment grade	$	—	$	855	$	52	$	234	$	—	$	1,141
Non-investment grade	180		115		108		1,646		—		2,049
Total	$	180	$	970	$	160	$	1,880	$	—	$	3,190
Sales-type lease receivables:
Credit risk classification:
Investment grade	$	—	$	—	$	—	$	5,934	$	—	$	5,934

Our investment grade credit risk classification represents entities with investment grade credit ratings from ratings agencies (such as Standard & Poor’s Ratings Services, Moody’s Investors Service, Inc. or Fitch Ratings Ltd.), meaning that they are considered to have at least an adequate capacity to meet their financial commitments, with credit risk ranging from minimal to moderate. Our non-investment grade credit risk classification represents entities with either no credit agency credit ratings or ratings deemed to be sub-investment grade; we believe that there is significantly more credit risk associated with this classification. The credit risk classifications of our investing receivables and tenant notes receivable were last updated in June 2022.

An insignificant portion of the investing and tenant notes receivables set forth above was past due, which we define as being delinquent by more than three months from the due date.

Notes receivable on nonaccrual status as of June 30, 2022 and December 31, 2021 were not significant. We did not recognize any interest income on notes receivable on nonaccrual status during the three or six months ended June 30, 2022 and 2021.

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14.    Information by Business Segment

We have the following reportable segments: Defense/IT Locations; Regional Office; Wholesale Data Center (the only property in which we sold on January 25, 2022); and Other. We also report on Defense/IT Locations sub-segments, which include the following: Fort George G. Meade and the Baltimore/Washington Corridor (“Fort Meade/BW Corridor”); Northern Virginia Defense/IT Locations (“NoVA Defense/IT”); Lackland Air Force Base (in San Antonio); locations serving the U.S. Navy (“Navy Support”), which included properties proximate to the Washington Navy Yard, the Naval Air Station Patuxent River in Maryland and the Naval Surface Warfare Center Dahlgren Division in Virginia; Redstone Arsenal (in Huntsville); and data center shells (properties leased to tenants to be operated as data centers in which the tenants fund the costs for the power, fiber connectivity and data center infrastructure). Our segment reporting included below reflects our retrospective reclassification of: certain activities to our Other reportable segment from our Wholesale Data Center reportable segment in the fourth quarter of 2021; and two properties to our NoVA Defense/IT sub-segment from our Regional Office segment in the first quarter of 2022.

We measure the performance of our segments through the measure we define as net operating income from real estate operations (“NOI from real estate operations”), which includes: real estate revenues and property operating expenses; and the net of revenues and property operating expenses of real estate operations owned through unconsolidated real estate joint ventures (“UJVs”) that is allocable to our ownership interest (“UJV NOI allocable to COPT”). Amounts reported for segment assets represent long-lived assets associated with consolidated operating properties (including the carrying value of properties, right-of-use assets, net of related lease liabilities, intangible assets, deferred leasing costs, deferred rents receivable and lease incentives) and the carrying value of investments in UJVs owning operating properties. Amounts reported as additions to long-lived assets represent additions to existing consolidated operating properties, excluding transfers from non-operating properties, which we report separately.

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The table below reports segment financial information for our reportable segments (in thousands): 

	Defense/IT Locations
	Fort Meade/BW Corridor		NoVA Defense/IT		Lackland Air Force Base		Navy Support		Redstone Arsenal		Data Center Shells		Total Defense/IT Locations		Regional Office		Wholesale Data Center		Other		Total
Three Months Ended June 30, 2022
Revenues from real estate operations	$	67,589	$	18,103	$	15,129	$	8,085	$	9,308	$	9,140	$	127,354	$	14,121	$	—	$	1,771	$	143,246
Property operating expenses	(23,499)		(6,157)		(7,520)		(3,330)		(3,631)		(1,189)		(45,326)		(7,628)		50		(1,212)		(54,116)
UJV NOI allocable to COPT	—		—		—		—		—		1,080		1,080		—		—		—		1,080
NOI from real estate operations	$	44,090	$	11,946	$	7,609	$	4,755	$	5,677	$	9,031	$	83,108	$	6,493	$	50	$	559	$	90,210
Additions to long-lived assets	$	12,341	$	2,541	$	—	$	650	$	224	$	—	$	15,756	$	3,561	$	16	$	65	$	19,398
Transfers from non-operating properties	$	768	$	918	$	521	$	(78)	$	20,037	$	5,673	$	27,839	$	30	$	—	$	—	$	27,869
Three Months Ended June 30, 2021
Revenues from real estate operations	$	64,840	$	15,626	$	13,688	$	8,445	$	8,775	$	8,070	$	119,444	$	15,970	$	7,204	$	1,805	$	144,423
Property operating expenses	(21,714)		(5,917)		(7,506)		(3,227)		(2,968)		(777)		(42,109)		(7,463)		(3,828)		(1,216)		(54,616)
UJV NOI allocable to COPT	—		—		—		—		—		973		973		—		—		—		973
NOI from real estate operations	$	43,126	$	9,709	$	6,182	$	5,218	$	5,807	$	8,266	$	78,308	$	8,507	$	3,376	$	589	$	90,780
Additions to long-lived assets	$	11,511	$	1,172	$	—	$	1,205	$	3,053	$	—	$	16,941	$	3,939	$	121	$	9	$	21,010
Transfers from non-operating properties	$	784	$	25	$	49,218	$	—	$	1,288	$	1,017	$	52,332	$	38,000	$	—	$	—	$	90,332
Six Months Ended June 30, 2022
Revenues from real estate operations	$	134,803	$	36,679	$	29,842	$	16,254	$	18,503	$	16,645	$	252,726	$	29,203	$	1,980	$	3,597	$	287,506
Property operating expenses	(49,283)		(13,026)		(14,592)		(6,801)		(7,366)		(2,199)		(93,267)		(15,558)		(975)		(2,468)		(112,268)
UJV NOI allocable to COPT	—		—		—		—		—		2,160		2,160		—		—		—		2,160
NOI from real estate operations	$	85,520	$	23,653	$	15,250	$	9,453	$	11,137	$	16,606	$	161,619	$	13,645	$	1,005	$	1,129	$	177,398
Additions to long-lived assets	$	24,126	$	4,730	$	—	$	1,390	$	459	$	—	$	30,705	$	7,894	$	(35)	$	66	$	38,630
Transfers from non-operating properties	$	6,137	$	1,237	$	939	$	6,298	$	20,113	$	86,876	$	121,600	$	301	$	—	$	—	$	121,901
Segment assets at June 30, 2022	$	1,331,828	$	488,597	$	196,723	$	172,873	$	316,008	$	435,252	$	2,941,281	$	534,257	$	—	$	3,878	$	3,479,416
Six Months Ended June 30, 2021
Revenues from real estate operations	$	131,286	$	31,811	$	26,243	$	16,843	$	17,028	$	16,857	$	240,068	$	31,673	$	14,538	$	3,308	$	289,587
Property operating expenses	(46,385)		(12,253)		(14,380)		(6,660)		(5,522)		(1,859)		(87,059)		(14,667)		(7,651)		(2,213)		(111,590)
UJV NOI allocable to COPT	—		—		—		—		—		1,890		1,890		—		—		—		1,890
NOI from real estate operations	$	84,901	$	19,558	$	11,863	$	10,183	$	11,506	$	16,888	$	154,899	$	17,006	$	6,887	$	1,095	$	179,887
Additions to long-lived assets	$	18,392	$	1,470	$	—	$	1,757	$	3,311	$	—	$	24,930	$	7,948	$	349	$	13	$	33,240
Transfers from non-operating properties	$	1,140	$	113	$	49,269	$	—	$	14,205	$	2,002	$	66,729	$	38,357	$	—	$	—	$	105,086
Segment assets at June 30, 2021	$	1,266,622	$	403,442	$	189,418	$	174,633	$	295,672	$	353,797	$	2,683,584	$	520,126	$	196,209	$	3,639	$	3,403,558

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The following table reconciles our segment revenues to total revenues as reported on our consolidated statements of operations (in thousands):

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2022		2021		2022		2021
Segment revenues from real estate operations	$	143,246	$	144,423	$	287,506	$	289,587
Construction contract and other service revenues	42,557		19,988		95,757		36,546
Less: Revenues from discontinued operations (Note 4)	—		(7,204)		(1,980)		(14,538)
Total revenues	$	185,803	$	157,207	$	381,283	$	311,595

The following table reconciles our segment property operating expenses to property operating expenses as reported on our consolidated statements of operations (in thousands):

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2022		2021		2022		2021
Segment property operating expenses	$	54,116	$	54,616	$	112,268	$	111,590
Less: Property operating expenses from discontinued operations (Note 4)	—		(3,702)		(971)		(7,400)
Total property operating expenses	$	54,116	$	50,914	$	111,297	$	104,190

The following table reconciles UJV NOI allocable to COPT to equity in income of unconsolidated entities as reported on our consolidated statements of operations (in thousands):

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2022		2021		2022		2021
UJV NOI allocable to COPT	$	1,080	$	973	$	2,160	$	1,890
Less: Income from UJV allocable to COPT attributable to depreciation and amortization expense and interest expense	(760)		(711)		(1,518)		(1,404)
Add: Equity in (loss) income of unconsolidated non-real estate entities	(2)		(2)		564		(4)
Equity in income of unconsolidated entities	$	318	$	260	$	1,206	$	482

As previously discussed, we provide real estate services such as property management, development and construction services primarily for our properties but also for third parties.  The primary manner in which we evaluate the operating performance of our service activities is through a measure we define as net operating income from service operations (“NOI from service operations”), which is based on the net of revenues and expenses from these activities.  Construction contract and other service revenues and expenses consist primarily of subcontracted costs that are reimbursed to us by the customer along with a management fee. The operating margins from these activities are small relative to the revenue.  We believe NOI from service operations is a useful measure in assessing both our level of activity and our profitability in conducting such operations. The table below sets forth the computation of our NOI from service operations (in thousands):

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2022		2021		2022		2021
Construction contract and other service revenues	$	42,557	$	19,988	$	95,757	$	36,546
Construction contract and other service expenses	(41,304)		(19,082)		(92,954)		(34,875)
NOI from service operations	$	1,253	$	906	$	2,803	$	1,671

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The following table reconciles our NOI from real estate operations for reportable segments and NOI from service operations to income (loss) from continuing operations as reported on our consolidated statements of operations (in thousands):

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2022		2021		2022		2021
NOI from real estate operations	$	90,210	$	90,780	$	177,398	$	179,887
NOI from service operations	1,253		906		2,803		1,671
Interest and other income	1,818		2,228		3,711		4,093
Credit loss (expense) recoveries	(225)		(193)		91		714
Gain on sales of real estate	(19)		40,233		(4)		39,743
Equity in income of unconsolidated entities	318		260		1,206		482
Income tax expense	(4)		(24)		(157)		(56)
Depreciation and other amortization associated with real estate operations	(34,812)		(34,732)		(69,076)		(69,232)
General, administrative and leasing expenses	(8,355)		(9,222)		(16,899)		(17,628)
Business development expenses and land carry costs	(701)		(1,372)		(1,484)		(2,466)
Interest expense	(14,808)		(15,942)		(29,232)		(33,461)
UJV NOI allocable to COPT included in equity in income of unconsolidated entities	(1,080)		(973)		(2,160)		(1,890)
Revenues from real estate operations from discontinued operations (Note 4)	—		(7,204)		(1,980)		(14,538)
Property operating expenses from discontinued operations (Note 4)	—		3,702		971		7,400
Loss on early extinguishment of debt	—		(25,228)		(342)		(58,394)
Income from continuing operations	$	33,595	$	43,219	$	64,846	$	36,325

The following table reconciles our segment assets to our consolidated total assets (in thousands): 

	June 30, 2022		June 30, 2021
Segment assets	$	3,479,416	$	3,403,558
Operating properties lease liabilities included in segment assets	29,412		29,927
Non-operating property assets	469,380		441,048
Other assets	206,985		177,499
Total consolidated assets	$	4,185,193	$	4,052,032

The accounting policies of the segments are the same as those used to prepare our consolidated financial statements, except that discontinued operations are not presented separately for segment purposes.  In the segment reporting presented above, we did not allocate interest expense, depreciation and amortization, gain on sales of real estate, loss on early extinguishment of debt and equity in income of unconsolidated entities not included in NOI to our real estate segments since they are not included in the measure of segment profit reviewed by management.  We also did not allocate general, administrative and leasing expenses, business development expenses and land carry costs, interest and other income, credit loss (expense) recoveries, income taxes and noncontrolling interests because these items represent general corporate or non-operating property items not attributable to segments.

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15.    Construction Contract and Other Service Revenues

We disaggregate our construction contract and other service revenues by compensation arrangement and by service type as we believe it best depicts the nature, timing and uncertainty of our revenue. The table below reports construction contract and other service revenues by compensation arrangement (in thousands):

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2022		2021		2022		2021
Construction contract revenue:
Guaranteed maximum price	$	36,503	$	11,388	$	84,426	$	13,489
Firm fixed price	3,257		2,441		6,701		3,912
Cost-plus fee	2,255		5,847		3,561		18,333
Other	542		312		1,069		812
	$	42,557	$	19,988	$	95,757	$	36,546

The table below reports construction contract and other service revenues by service type (in thousands):

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2022		2021		2022		2021
Construction contract revenue:
Construction	$	41,829	$	18,828	$	94,398	$	34,584
Design	186		848		290		1,150
Other	542		312		1,069		812
	$	42,557	$	19,988	$	95,757	$	36,546

We recognized an insignificant amount of revenue in the three and six months ended June 30, 2022 and 2021 from performance obligations satisfied (or partially satisfied) in previous periods.

Accounts receivable related to our construction contract services is included in accounts receivable, net on our consolidated balance sheets. The beginning and ending balances of accounts receivable related to our construction contracts were as follows (in thousands):

	For the Six Months Ended June 30,
	2022		2021
Beginning balance	$	7,193	$	13,997
Ending balance	$	4,751	$	10,003

Contract assets, which we refer to herein as construction contract costs in excess of billings, net, are included in prepaid expenses and other assets, net on our consolidated balance sheets. The beginning and ending balances of our contract assets were as follows (in thousands):

	For the Six Months Ended June 30,
	2022		2021
Beginning balance	$	22,384	$	10,343
Ending balance	$	29,223	$	9,766

Contract liabilities are included in other liabilities on our consolidated balance sheets. Changes in contract liabilities were as follows (in thousands):

	For the Six Months Ended June 30,
	2022		2021
Beginning balance	$	2,499	$	4,610
Ending balance	$	2,363	$	2,320
Portion of beginning balance recognized in revenue during:
Three months ended June 30	$	164	$	2,070
Six months ended June 30	$	190	$	2,617

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Revenue allocated to the remaining performance obligations under existing contracts as of June 30, 2022 that will be recognized as revenue in future periods was $62.4 million, of which we expect to recognize approximately $44 million in the six months ending December 31, 2022 and the remainder in 2023.

We have no deferred incremental costs incurred to obtain or fulfill our construction contracts or other service revenues as of June 30, 2022 and December 31, 2021. Credit loss expense on construction contracts receivable and unbilled construction revenue was insignificant for the three and six months ended June 30, 2022 and 2021.

16.    Share-Based Compensation

Restricted Shares

During the six months ended June 30, 2022, certain employees and non-employee members of our Board of Trustees (“Trustees”) were granted a total of 165,284 restricted common shares with an aggregate grant date fair value of $4.4 million (weighted average of $26.52 per share). Restricted shares granted to employees vest based on increments and over periods of time set forth under the terms of the respective awards provided that the employee remains employed by us. Restricted shares granted to non-employee Trustees vest on the first anniversary of the grant date, provided that the Trustee remains in his or her position. During the six months ended June 30, 2022, forfeiture restrictions lapsed on 141,185 previously issued common shares; these shares had a weighted average grant date fair value of $26.28 per share, and the aggregate intrinsic value of the shares on the vesting dates was $3.7 million.

Profit Interest Units in COPLP (“PIUs”)

We granted two forms of PIUs: time-based PIUs (“TB-PIUs”); and performance-based PIUs (“PB-PIUs”). TB-PIUs are subject to forfeiture restrictions until the end of the requisite service period, at which time the TB-PIUs automatically convert into vested PIUs. PB-PIUs are subject to a market condition in that the number of earned awards are determined at the end of the performance period (as described further below) and then settled in vested PIUs. Vested PIUs carry substantially the same rights to redemption and distributions as non-PIU common units.

TB-PIUs

During the six months ended June 30, 2022, we granted 101,966 TB-PIUs with an aggregate grant date fair value of $2.7 million (weighted average of $26.39 per TB-PIU) to senior management team members and certain non-employee Trustees. TB-PIUs granted to senior management team members vest based on increments and over periods of time set forth under the terms of the respective awards provided that the employee remains employed by us. TB-PIUs granted to non-employee Trustees vest on the first anniversary of the grant date, provided that the Trustee remains in his or her position. Prior to vesting, TB-PIUs carry substantially the same rights to distributions as non-PIU common units but carry no redemption rights. During the six months ended June 30, 2022, forfeiture restrictions lapsed on 73,056 previously issued TB-PIUs; these TB-PIUs had a weighted average grant date fair value of $26.01 per unit, and the aggregate intrinsic value of the TB-PIUs on the vesting date was $1.9 million.

PB-PIUs

On January 1, 2022, we granted certain senior management team members 231,838 PB-PIUs with a three-year performance period concluding on the earlier of December 31, 2024 or the date of: (1) termination by us without cause, death or disability of the employee or constructive discharge of the employee (collectively, “qualified termination”); or (2) a sale event.  The number of earned awards at the end of the performance period will be determined based on the percentile rank of COPT’s total shareholder return (“TSR”) relative to a peer group of companies, as set forth in the following schedule:

Percentile Rank	Earned PB-PIUs Payout %
75th or greater	100% of PB-PIUs granted
50th (target)	50% of PB-PIUs granted
25th	25% of PB-PIUs granted
Below 25th	0% of PB-PIUs granted

If the percentile rank exceeds the 25th percentile and is between two of the percentile ranks set forth in the table above, then the percentage of the earned awards will be interpolated between the ranges set forth in the table above to reflect any performance between the listed percentiles.  If COPT’s TSR during the measurement period is negative, the maximum number of earned awards will be limited to the target level payout percentage.  During the performance period, PB-PIUs carry rights to distributions equal to 10% of the distribution rights of non-PIU common units but carry no redemption rights.

At the end of the performance period, we will settle the award by issuing vested PIUs equal to: the number of earned awards; and the excess, if any, of (1) the aggregate distributions that would have been paid with respect to vested PIUs issued in settlement of the earned awards through the date of settlement had such vested PIUs been issued on the grant date over (2) the aggregate distributions made on the PB-PIUs during the performance period, divided by the price of our common shares on the

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settlement date. If a performance period ends due to a sale event or qualified termination, the number of earned awards is prorated based on the portion of the three-year performance period that has elapsed.  If employment is terminated by the employee or by us for cause, all PB-PIUs are forfeited.

These PB-PIU grants had an aggregate grant date fair value of $3.8 million ($32.87 per target-level award associated with the grants) which is being recognized over the performance period. The grant date fair value was computed using a Monte Carlo model that included the following assumptions: baseline common share value of $27.97; expected volatility for common shares of 31.7%; and a risk-free interest rate of 0.98%.  

Based on COPT’s TSR relative to its peer group of companies, for the 2019 PB-PIUs issued to executives that vested on December 31, 2021, we issued 156,104 PIUs in settlement of the PB-PIUs on February 1, 2022.

Deferred Share Awards

During the six months ended June 30, 2022, a non-employee Trustee was granted 3,941 deferred share awards with an aggregate grant date fair value of $100,000 ($25.41 per share). Deferred share awards vest on the first anniversary of the grant date, provided that the Trustee remains in his or her position. We settle deferred share awards by issuing an equivalent number of common shares upon vesting of the awards or a later date elected by the Trustee (generally upon cessation of being a Trustee).

17.    Earnings Per Share (“EPS”)

We present both basic and diluted EPS.  We compute basic EPS by dividing net income available to common shareholders allocable to unrestricted common shares under the two-class method by the weighted average number of unrestricted common shares outstanding during the period.  Our computation of diluted EPS is similar except that:

•the denominator is increased to include: (1) the weighted average number of potential additional common shares that would have been outstanding if securities that are convertible into common shares were converted; and (2) the effect of dilutive potential common shares outstanding during the period attributable to redeemable noncontrolling interests and share-based compensation awards using the if-converted or treasury stock methods; and

•the numerator is adjusted to add back any changes in income or loss that would result from the assumed conversion into common shares that we add to the denominator.

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Summaries of the numerator and denominator for purposes of basic and diluted EPS calculations are set forth below (in thousands, except per share data):

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2022		2021		2022		2021
Numerator:
Income from continuing operations	$	33,595	$	43,219	$	64,846	$	36,325
Income from continuing operations attributable to noncontrolling interests	(1,285)		(1,488)		(2,369)		(2,068)
Income from continuing operations attributable to share-based compensation awards for basic EPS	(92)		(134)		(204)		(247)
Numerator for basic EPS from continuing operations attributable to COPT common shareholders	32,218		41,597		62,273		34,010
Redeemable noncontrolling interests	(30)		(20)		(69)		7
Adjustment to income from continuing operations attributable to share-based compensation awards for diluted EPS	17		11		35		9
Numerator for diluted EPS from continuing operations attributable to COPT common shareholders	32,205		41,588		62,239		34,026
Discontinued operations	—		679		29,573		1,494
Discontinued operations attributable to noncontrolling interests	—		(9)		(421)		(19)
Income from discontinued operations attributable to share-based compensation awards for diluted EPS	—		(2)		(90)		3
Numerator for diluted EPS on net income attributable to COPT common shareholders	$	32,205	$	42,256	$	91,301	$	35,504
Denominator (all weighted averages):
Denominator for basic EPS (common shares)	112,082		111,974		112,052		111,931
Dilutive effect of redeemable noncontrolling interests	126		133		129		125
Dilutive effect of share-based compensation awards	429		297		427		280
Denominator for diluted EPS (common shares)	112,637		112,404		112,608		112,336
Basic EPS:
Income from continuing operations attributable to COPT common shareholders	$	0.29	$	0.37	$	0.55	$	0.30
Discontinued operations attributable to COPT common shareholders	—		0.01		0.26		0.02
Net income attributable to COPT common shareholders	$	0.29	$	0.38	$	0.81	$	0.32
Diluted EPS:
Income from continuing operations attributable to COPT common shareholders	$	0.29	$	0.37	$	0.55	$	0.30
Discontinued operations attributable to COPT common shareholders	—		0.01		0.26		0.02
Net income attributable to COPT common shareholders	$	0.29	$	0.38	$	0.81	$	0.32

Our diluted EPS computations do not include the effects of the following securities since the conversions of such securities would increase diluted EPS for the respective periods (in thousands):

	Weighted Average Shares Excluded from Denominator
	For the Three Months Ended June 30,		For the Six Months Ended June 30,
	2022	2021	2022	2021
Conversion of common units	1,476	1,262	1,430	1,254
Conversion of redeemable noncontrolling interests	863	776	835	799

The following securities were also excluded from the computation of diluted EPS because their effect was antidilutive:

•weighted average restricted shares and deferred share awards for the three months ended June 30, 2022 and 2021 of 404,000 and 420,000, respectively, and for the six months ended June 30, 2022 and 2021 of 401,000 and 419,000, respectively;

•weighted average TB-PIUs for the three months ended June 30, 2022 and 2021 of 191,000 and 166,000, respectively, and for the six months ended June 30, 2022 and 2021 of 182,000 and 148,000, respectively; and

•weighted average PB-PIUs for the three and six months ended June 30, 2021 of 228,000.

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18.    Commitments and Contingencies

Litigation and Claims

In the normal course of business, we are subject to legal actions and other claims.  We record losses for specific legal proceedings and claims when we determine that a loss is probable and the amount of loss can be reasonably estimated.  As of June 30, 2022, management believes that it is reasonably possible that we could recognize a loss of up to $3.8 million for certain municipal tax claims; while we do not believe this loss would materially affect our financial position or liquidity, it could be material to our results of operations. Management believes that it is also reasonably possible that we could incur losses pursuant to other claims but do not believe such losses would materially affect our financial position, liquidity or results of operations. Our assessment of the potential outcomes of these matters involves significant judgment and is subject to change based on future developments.

Environmental

We are subject to various Federal, state and local environmental regulations related to our property ownership and operation.  We have performed environmental assessments of our properties, the results of which have not revealed any environmental liability that we believe would have a materially adverse effect on our financial position, operations or liquidity.

In connection with a lease and subsequent sale in 2008 and 2010 of three properties in Dayton, New Jersey, we agreed to provide certain environmental indemnifications limited to $19 million in the aggregate. We have insurance coverage in place to mitigate much of any potential future losses that may result from these indemnification agreements.

Tax Incremental Financing Obligation

Anne Arundel County, Maryland issued tax incremental financing bonds to third-party investors in order to finance public improvements needed in connection with our project known as the National Business Park.  These bonds had a remaining principal balance of approximately $31 million as of June 30, 2022. The real estate taxes on increases in assessed values post-bond issuance of properties in development districts encompassing the National Business Park are transferred to a special fund pledged to the repayment of the bonds. While we are obligated to fund, through a special tax, any future shortfalls between debt service of the bonds and real estate taxes available to repay the bonds, as of June 30, 2022, we do not expect any such future fundings will be required.

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Item 2.           Management’s Discussion and Analysis of Financial Condition and Results of Operations

Overview

During the six months ended June 30, 2022, we: 

•finished the period with our portfolio 91.6% occupied and 93.6% leased;

•placed into service 363,000 square feet in three newly-developed properties that were 99.0% leased as of June 30, 2022; and

•sold our wholesale data center for $222.5 million, resulting in a gain on sale of $28.6 million. We used the proceeds to repay a portion of our Term Loan Facility and the remainder to repay borrowings under our Revolving Credit Facility.

With regard to our operating portfolio square footage, occupancy and leasing statistics included below and elsewhere in this Quarterly Report on Form 10-Q, amounts disclosed include information pertaining to properties owned through unconsolidated real estate joint ventures.

In 2022, the United States economy has experienced inflationary conditions, increased interest rates and certain supply-chain related shortages, and had two consecutive quarters of decreased gross domestic product. For us, to date:

•inflationary conditions have contributed to increased costs for certain property operating expenses and building materials, which affects our development of new properties and improvements for existing properties. The effect of these increased costs has not significantly impacted us to date primarily since we had contracts in place for much of our property operating expense, development and building improvement cash requirements. However, we are expecting:

•continued increases in property operating expenses, particularly from new or renewed contracts for service arrangements. Most of our leases obligate tenants to pay either their full share of a building’s operating expenses or their share to the extent such expenses exceed amounts established in their leases. We believe that these lease arrangements reduce our exposure to increases in property operating expenses;

•increased costs for contemplated new property development, which could adversely affect our ability to achieve targeted development yields to the extent increases in market rental rates do not keep pace, and therefore could also reduce our willingness to commence development of new properties;

•increased costs for tenant improvements associated with new leasing, which could reduce our willingness to enter into new leases to the extent increases in market rents do not keep pace with cost increases; and

•increased costs for contemplated other capital improvements, which could affect our willingness, or timeline, for completing such improvements;

•increased interest rates have not significantly affected us due in large part to debt refinancings that we completed in 2020 and 2021. Our debt is predominantly fixed rate and in the form of long-term unsecured notes, and we have no significant fixed rate debt maturing until 2026. Moreover, most of the effect of interest rate increases on our variable rate debt is hedged by interest rate swaps through the end of 2022; and

•supply-chain related shortages have not had a significant effect on our ability to execute our operating and development activities.

We discuss significant factors contributing to changes in our net income in the section below entitled “Results of Operations.” In addition, the section below entitled “Liquidity and Capital Resources” includes discussions of, among other things:

•how we expect to generate and obtain cash for short and long-term capital needs; and

•material cash requirements for known contractual and other obligations.

You should refer to our consolidated financial statements and the notes thereto as you read this section.

This section contains “forward-looking” statements, as defined in the Private Securities Litigation Reform Act of 1995, that are based on our current expectations, estimates and projections about future events and financial trends affecting the financial condition and operations of our business. Forward-looking statements can be identified by the use of words such as “may,” “will,” “should,” “could,” “believe,” “anticipate,” “expect,” “estimate,” “plan” or other comparable terminology. Forward-looking statements are inherently subject to risks and uncertainties, many of which we cannot predict with accuracy and some of which we might not even anticipate. Although we believe that the expectations, estimates and projections reflected in such forward-looking statements are based on reasonable assumptions at the time made, we can give no assurance that these expectations, estimates and projections will be achieved. Future events and actual results may differ materially from those discussed in the forward-looking statements. We caution readers that forward-looking statements reflect our opinion only as of the date on which they were made. You should not place undue reliance on forward-looking statements. The following factors, among others,

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could cause actual results and future events to differ materially from those set forth or contemplated in the forward-looking statements:

•general economic and business conditions, which will, among other things, affect office property and data center demand and rents, tenant creditworthiness, interest rates, financing availability, property operating and construction costs, and property values;

•adverse changes in the real estate markets, including, among other things, increased competition with other companies;

•governmental actions and initiatives, including risks associated with the impact of a prolonged government shutdown or budgetary reductions or impasses, such as a reduction in rental revenues, non-renewal of leases and/or reduced or delayed demand for additional space by our strategic customers;

•our ability to borrow on favorable terms;

•risks of property acquisition and development activities, including, among other things, risks that development projects may not be completed on schedule, that tenants may not take occupancy or pay rent or that development or operating costs may be greater than anticipated;

•risks of investing through joint venture structures, including risks that our joint venture partners may not fulfill their financial obligations as investors or may take actions that are inconsistent with our objectives;

•changes in our plans for properties or views of market economic conditions or failure to obtain development rights, either of which could result in recognition of significant impairment losses;

•risks and uncertainties regarding the impact of the COVID-19 pandemic, and similar pandemics, along with restrictive measures instituted to prevent spread, on our business, the real estate industry and national, regional and local economic conditions;

•our ability to satisfy and operate effectively under federal income tax rules relating to real estate investment trusts and partnerships;

•possible adverse changes in tax laws;

•the dilutive effects of issuing additional common shares;

•our ability to achieve projected results;

•security breaches relating to cyber attacks, cyber intrusions or other factors; and

•environmental requirements.

We undertake no obligation to publicly update or supplement forward-looking statements.

Occupancy and Leasing

The tables below set forth occupancy information pertaining to our portfolio of office and data center shell properties:

	June 30, 2022			December 31, 2021
Occupancy rates at period end
Total	91.6		%	92.4		%
Defense/IT Locations:
Fort Meade/BW Corridor	90.5		%	90.0		%
NoVA Defense/IT	88.2		%	89.5		%
Lackland Air Force Base	100.0		%	100.0		%
Navy Support	91.3		%	93.9		%
Redstone Arsenal	87.7		%	90.8		%
Data Center Shells	100.0		%	100.0		%
Total Defense/IT Locations	92.9		%	93.2		%
Regional Office	80.2		%	87.3		%
Other	75.5		%	66.2		%
Annualized rental revenue per occupied square foot at period end	$	32.76		$	32.47

	Rentable Square Feet	Occupied Square Feet
	(in thousands)
December 31, 2021	21,710	20,070
Vacated upon lease expiration (1)	—	(473)
Occupancy for new leases	—	294
Developed	363	352
Other changes	16	—
June 30, 2022	22,089	20,243

(1)Includes lease terminations and space reductions occurring in connection with lease renewals.

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During the six months ended June 30, 2022, we leased 1.4 million square feet, including: 676,000 square feet of renewal leasing, representing a tenant retention rate of 61.9%; 277,000 square feet of vacant space leasing; and 476,000 square feet of development leasing.

Annualized rental revenue is a measure that we use to evaluate the source of our rental revenue as of a point in time. It is computed by multiplying by 12 the sum of monthly contractual base rents and estimated monthly expense reimbursements under active leases as of a point in time (ignoring free rent then in effect and rent associated with tenant funded landlord assets). Our computation of annualized rental revenue excludes the effect of lease incentives. We consider annualized rental revenue to be a useful measure for analyzing revenue sources because, since it is point-in-time based, it does not contain increases and decreases in revenue associated with periods in which lease terms were not in effect; historical revenue under generally accepted accounting principles in the United States of America (“GAAP”) does contain such fluctuations. We find the measure particularly useful for leasing, tenant, segment and industry analysis. Tenant retention rate is a measure we use that represents the percentage of square feet renewed in a period relative to the total square feet scheduled to expire in that period; we include the effect of early renewals in this measure.

Results of Operations

We evaluate the operating performance of our properties using NOI from real estate operations, our segment performance measure, which includes real estate revenues and property operating expenses from continuing and discontinued operations and UJV NOI allocable to COPT.  We view our NOI from real estate operations as comprising the following primary categories:

•office and data center shell properties:

•stably owned and 100% operational throughout the current and prior year reporting periods being compared.  We define these as changes from “Same Properties”;

•developed or redeveloped and placed into service that were not 100% operational throughout the current and prior year reporting periods; and

•disposed; and

•our wholesale data center that we sold on January 25, 2022.

In addition to owning properties, we provide construction management and other services. The primary manner in which we evaluate the operating performance of our construction management and other service activities is through a measure we define as NOI from service operations, which is based on the net of the revenues and expenses from these activities.  The revenues and expenses from these activities consist primarily of subcontracted costs that are reimbursed to us by customers along with a management fee.  The operating margins from these activities are small relative to the revenue.  We believe NOI from service operations is a useful measure in assessing both our level of activity and our profitability in conducting such operations.

Since both of the measures discussed above exclude certain items includable in net income, reliance on these measures has limitations; management compensates for these limitations by using the measures simply as supplemental measures that are considered alongside other GAAP and non-GAAP measures. A reconciliation of NOI from real estate operations and NOI from service operations to income from continuing operations reported on the consolidated statements of operations is provided in Note 14 to our consolidated financial statements.

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Comparison of Statements of Operations for the Three Months Ended June 30, 2022 and 2021

	For the Three Months Ended June 30,
	2022		2021		Variance
	(in thousands)
Revenues
Revenues from real estate operations	$	143,246	$	137,219	$	6,027
Construction contract and other service revenues	42,557		19,988		22,569
Total revenues	185,803		157,207		28,596
Operating expenses
Property operating expenses	54,116		50,914		3,202
Depreciation and amortization associated with real estate operations	34,812		34,732		80
Construction contract and other service expenses	41,304		19,082		22,222
General, administrative and leasing expenses	8,355		9,222		(867)
Business development expenses and land carry costs	701		1,372		(671)
Total operating expenses	139,288		115,322		23,966
Interest expense	(14,808)		(15,942)		1,134
Interest and other income	1,818		2,228		(410)
Credit loss expense	(225)		(193)		(32)
Gain on sales of real estate	(19)		40,233		(40,252)
Loss on early extinguishment of debt	—		(25,228)		25,228
Equity in income of unconsolidated entities	318		260		58
Income tax expense	(4)		(24)		20
Income from continuing operations	33,595		43,219		(9,624)
Discontinued operations	—		679		(679)
Net income	$	33,595	$	43,898	$	(10,303)

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NOI from Real Estate Operations

	For the Three Months Ended June 30,
	2022			2021			Variance
	(Dollars in thousands,  except per square foot data)
Revenues
Same Properties revenues
Lease revenue, excluding net lease termination revenue and provision for collectability losses	$	131,535		$	130,229		$	1,306
Lease termination revenue, net	399			1,094			(695)
Provision for collectability losses included in lease revenue	(727)			5			(732)
Other property revenue	935			732			203
Same Properties total revenues	132,142			132,060			82
Developed and redeveloped properties placed in service	9,979			2,841			7,138
Wholesale data center	—			7,204			(7,204)
Dispositions	(4)			1,165			(1,169)
Other	1,129			1,153			(24)
	143,246			144,423			(1,177)
Property operating expenses
Same Properties	(50,972)			(48,557)			(2,415)
Developed and redeveloped properties placed in service	(2,291)			(1,150)			(1,141)
Wholesale data center	50			(3,828)			3,878
Dispositions	—			(135)			135
Other	(903)			(946)			43
	(54,116)			(54,616)			500
UJV NOI allocable to COPT
Same Properties	924			923			1
Retained interest in newly-formed UJVs	156			50			106
	1,080			973			107
NOI from real estate operations
Same Properties	82,094			84,426			(2,332)
Developed and redeveloped properties placed in service	7,688			1,691			5,997
Wholesale data center	50			3,376			(3,326)
Dispositions, net of retained interest in newly-formed UJVs	152			1,080			(928)
Other	226			207			19
	$	90,210		$	90,780		$	(570)
Same Properties NOI from real estate operations by segment
Defense/IT Locations	$	76,319		$	76,359		$	(40)
Regional Office	5,441			7,686			(2,245)
Other	334			381			(47)
	$	82,094		$	84,426		$	(2,332)
Same Properties rent statistics
Average occupancy rate	91.6		%	93.7		%	(2.1		%)
Average straight-line rent per occupied square foot (1)	$	6.42		$	6.40		$	0.02

(1)Includes minimum base rents, net of abatements and lease incentives and excluding lease termination revenue, on a straight-line basis for the periods set forth above.

Our Same Properties pool consisted of 176 properties, comprising 92.1% of our portfolio’s square footage as of June 30, 2022. This pool of properties changed from the pool used for purposes of comparing 2021 and 2020 in our 2021 Annual Report on Form 10-K due to the addition of nine properties placed in service and 100% operational on or before January 1, 2021 and eight properties owned through an unconsolidated real estate joint venture that was formed in 2020.

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Regarding the changes in NOI from real estate operations reported above:

•the decrease for our Same Properties pool was attributable primarily to our Regional Office segment, which had lower occupancy in the current period due mostly to the scheduled lease expiration of a 140,000 square foot space;

•developed and redeveloped properties placed in service reflects the effect of ten properties placed in service in 2021 and 2022; and

•dispositions, net of retained interest in newly-formed UJVs reflects the effect of our sale of a 90% interest in two data center shells in 2021.

NOI from Service Operations

	For the Three Months Ended June 30,
	2022		2021		Variance
	(in thousands)
Construction contract and other service revenues	$	42,557	$	19,988	$	22,569
Construction contract and other service expenses	(41,304)		(19,082)		(22,222)
NOI from service operations	$	1,253	$	906	$	347

Construction contract and other service revenues and expenses increased in the current period due primarily to a higher volume of construction activity for one of our tenants. Construction contract activity is inherently subject to significant variability depending on the volume and nature of projects undertaken by us primarily on behalf of tenants. Service operations are an ancillary component of our overall operations that typically contribute an insignificant amount of income relative to our real estate operations.

Gain on sales of real estate

The gain on sales of real estate recognized in the prior period was due to our sale of a 90% interest in two data center shell properties.

Loss on extinguishment of debt

The loss on early extinguishment of debt recognized in the prior period was attributable to our redemption of unsecured senior notes that we refinanced.

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Comparison of Statements of Operations for the Six Months Ended June 30, 2022 and 2021

	For the Six Months Ended June 30,
	2022		2021		Variance
	(in thousands)
Revenues
Revenues from real estate operations	$	285,526	$	275,049	$	10,477
Construction contract and other service revenues	95,757		36,546		59,211
Total revenues	381,283		311,595		69,688
Operating expenses
Property operating expenses	111,297		104,190		7,107
Depreciation and amortization associated with real estate operations	69,076		69,232		(156)
Construction contract and other service expenses	92,954		34,875		58,079
General, administrative and leasing expenses	16,899		17,628		(729)
Business development expenses and land carry costs	1,484		2,466		(982)
Total operating expenses	291,710		228,391		63,319
Interest expense	(29,232)		(33,461)		4,229
Interest and other income	3,711		4,093		(382)
Credit loss recoveries	91		714		(623)
Gain on sales of real estate	(4)		39,743		(39,747)
Loss on early extinguishment of debt	(342)		(58,394)		58,052
Equity in income of unconsolidated entities	1,206		482		724
Income tax expense	(157)		(56)		(101)
Income from continuing operations	64,846		36,325		28,521
Discontinued operations	29,573		1,494		28,079
Net income	$	94,419	$	37,819	$	56,600

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NOI from Real Estate Operations

	For the Six Months Ended June 30,
	2022			2021			Variance
	(Dollars in thousands,  except per square foot data)
Revenues
Same Properties revenues
Lease revenue, excluding lease termination revenue and provision for collectability losses	$	264,040		$	261,386		$	2,654
Lease termination revenue, net	620			2,456			(1,836)
Provision for collectability losses included in lease revenue	(727)			(119)			(608)
Other property revenue	1,794			1,239			555
Same Properties total revenues	265,727			264,962			765
Developed and redeveloped properties placed in service	17,506			5,250			12,256
Wholesale data center	1,980			14,538			(12,558)
Dispositions	(3)			2,846			(2,849)
Other	2,296			1,991			305
	287,506			289,587			(2,081)
Property operating expenses
Same Properties	(105,133)			(100,212)			(4,921)
Developed and redeveloped properties placed in service	(4,356)			(1,712)			(2,644)
Wholesale data center	(975)			(7,651)			6,676
Dispositions	1			(433)			434
Other	(1,805)			(1,582)			(223)
	(112,268)			(111,590)			(678)
UJV NOI allocable to COPT
Same Properties	1,850			1,840			10
Retained interest in newly-formed UJVs	310			50			260
	2,160			1,890			270
NOI from real estate operations
Same Properties	162,444			166,590			(4,146)
Developed and redeveloped properties placed in service	13,150			3,538			9,612
Wholesale data center	1,005			6,887			(5,882)
Dispositions, net of retained interest in newly-formed UJVs	308			2,463			(2,155)
Other	491			409			82
	$	177,398		$	179,887		$	(2,489)
Same Properties NOI from real estate operations by segment
Defense/IT Locations	$	149,905		$	151,018		$	(1,113)
Regional Office	11,900			14,887			(2,987)
Other	639			685			(46)
	$	162,444		$	166,590		$	(4,146)
Same Properties rent statistics
Average occupancy rate	91.7		%	93.6		%	(1.9		%)
Average straight-line rent per occupied square foot (1)	$	12.87		$	12.80		$	0.07

(1)Includes minimum base rents, net of abatements and lease incentives and excluding lease termination revenue, on a straight-line basis for the periods set forth above.

Regarding the changes in NOI from real estate operations reported above:

•the decrease for our Same Properties pool was attributable primarily to our Regional Office segment, which had lower occupancy in the current period due mostly to the scheduled lease expiration of a 140,000 square foot space;

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•developed and redeveloped properties placed in service reflects the effect of ten properties placed in service in 2021 and 2022; and

•dispositions, net of retained interest in newly-formed UJVs reflects the effect of our sale of a 90% interest in two data center shells in 2021.

NOI from Service Operations

	For the Six Months Ended June 30,
	2022		2021		Variance
	(in thousands)
Construction contract and other service revenues	$	95,757	$	36,546	$	59,211
Construction contract and other service expenses	(92,954)		(34,875)		(58,079)
NOI from service operations	$	2,803	$	1,671	$	1,132

Construction contract and other service revenue and expenses increased in the current period due primarily to a higher volume of construction activity for one of our tenants.

Interest expense

Interest expense decreased due to lower weighted average interest rates in the current period resulting primarily from debt refinancings that we completed in 2021.

Gain on sales of real estate

The gain on sales of real estate recognized in the prior period was due to our sale of a 90% interest in two data center shell properties.

Loss on extinguishment of debt

The loss on early extinguishment of debt recognized in the prior period was attributable to our purchase or redemption of unsecured senior notes that we refinanced.

Discontinued operations

Discontinued operations includes our wholesale data center, which we sold on January 25, 2022.

Funds from Operations

Funds from operations (“FFO”) is defined as net income computed using GAAP, excluding gains on sales and impairment losses of real estate (net of associated income tax) and real estate-related depreciation and amortization. FFO also includes adjustments to net income for the effects of the items noted above pertaining to UJVs that were allocable to our ownership interest in the UJVs. We believe that we use the National Association of Real Estate Investment Trusts (“Nareit”) definition of FFO, although others may interpret the definition differently and, accordingly, our presentation of FFO may differ from those of other REITs.  We believe that FFO is useful to management and investors as a supplemental measure of operating performance because, by excluding gains on sales and impairment losses of real estate and investments in unconsolidated real estate joint ventures (net of associated income tax), and real estate-related depreciation and amortization, FFO can help one compare our operating performance between periods.  In addition, since most equity REITs provide FFO information to the investment community, we believe that FFO is useful to investors as a supplemental measure for comparing our results to those of other equity REITs.  We believe that net income is the most directly comparable GAAP measure to FFO.

Since FFO excludes certain items includable in net income, reliance on the measure has limitations; management compensates for these limitations by using the measure simply as a supplemental measure that is weighed in balance with other GAAP and non-GAAP measures. FFO is not necessarily an indication of our cash flow available to fund cash needs.  Additionally, it should not be used as an alternative to net income when evaluating our financial performance or to cash flow from operating, investing and financing activities when evaluating our liquidity or ability to make cash distributions or pay debt service.

Basic FFO available to common share and common unit holders (“Basic FFO”) is FFO adjusted to subtract (1) preferred share dividends, (2) income attributable to noncontrolling interests through ownership of preferred units in the Operating Partnership or interests in other consolidated entities not owned by us, (3) depreciation and amortization allocable to noncontrolling interests in other consolidated entities and (4) Basic FFO allocable to share-based compensation awards.  With these adjustments, Basic FFO represents FFO available to common shareholders and common unitholders.  Common units in the Operating Partnership are substantially similar to our common shares and are exchangeable into common shares, subject to certain conditions.  We believe that Basic FFO is useful to investors due to the close correlation of common units to common shares.  We believe that net income is the most directly comparable GAAP measure to Basic FFO.  Basic FFO has essentially

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the same limitations as FFO; management compensates for these limitations in essentially the same manner as described above for FFO.

Diluted FFO available to common share and common unit holders (“Diluted FFO”) is Basic FFO adjusted to add back any changes in Basic FFO that would result from the assumed conversion of securities that are convertible or exchangeable into common shares.  We believe that Diluted FFO is useful to investors because it is the numerator used to compute Diluted FFO per share, discussed below.  We believe that net income is the most directly comparable GAAP measure to Diluted FFO.  Since Diluted FFO excludes certain items includable in the numerator to diluted EPS, reliance on the measure has limitations; management compensates for these limitations by using the measure simply as a supplemental measure that is weighed in the balance with other GAAP and non-GAAP measures.  Diluted FFO is not necessarily an indication of our cash flow available to fund cash needs.  Additionally, it should not be used as an alternative to net income when evaluating our financial performance or to cash flow from operating, investing and financing activities when evaluating our liquidity or ability to make cash distributions or pay debt service.

Diluted FFO available to common share and common unit holders, as adjusted for comparability is defined as Diluted FFO adjusted to exclude: operating property acquisition costs; gain or loss on early extinguishment of debt; FFO associated with properties securing non-recourse debt on which we have defaulted and which we have extinguished, or expect to extinguish, via conveyance of such properties, including property NOI, interest expense and gains on debt extinguishment (discussed further below); loss on interest rate derivatives; demolition costs on redevelopment and nonrecurring improvements; executive transition costs; issuance costs associated with redeemed preferred shares; allocations of FFO to holders of noncontrolling interests resulting from capital events; and certain other expenses that we believe are not closely correlated with our operating performance.  This measure also includes adjustments for the effects of the items noted above pertaining to UJVs that were allocable to our ownership interest in the UJVs. We believe this to be a useful supplemental measure alongside Diluted FFO as it excludes gains and losses from certain investing and financing activities and certain other items that we believe are not closely correlated to (or associated with) our operating performance. We believe that net income is the most directly comparable GAAP measure to this non-GAAP measure.  This measure has essentially the same limitations as Diluted FFO, as well as the further limitation of not reflecting the effects of the excluded items; we compensate for these limitations in essentially the same manner as described above for Diluted FFO.

Diluted FFO per share is (1) Diluted FFO divided by (2) the sum of the (a) weighted average common shares outstanding during a period, (b) weighted average common units outstanding during a period and (c) weighted average number of potential additional common shares that would have been outstanding during a period if other securities that are convertible or exchangeable into common shares were converted or exchanged.  We believe that Diluted FFO per share is useful to investors because it provides investors with a further context for evaluating our FFO results in the same manner that investors use earnings per share (“EPS”) in evaluating net income available to common shareholders.  In addition, since most equity REITs provide Diluted FFO per share information to the investment community, we believe that Diluted FFO per share is a useful supplemental measure for comparing us to other equity REITs. We believe that diluted EPS is the most directly comparable GAAP measure to Diluted FFO per share. Diluted FFO per share has most of the same limitations as Diluted FFO (described above); management compensates for these limitations in essentially the same manner as described above for Diluted FFO.

Diluted FFO per share, as adjusted for comparability is (1) Diluted FFO, as adjusted for comparability divided by (2) the sum of the (a) weighted average common shares outstanding during a period, (b) weighted average common units outstanding during a period and (c) weighted average number of potential additional common shares that would have been outstanding during a period if other securities that are convertible or exchangeable into common shares were converted or exchanged.  We believe that this measure is useful to investors because it provides investors with a further context for evaluating our FFO results.  We believe this to be a useful supplemental measure alongside Diluted FFO per share as it excludes gains and losses from certain investing and financing activities and certain other items that we believe are not closely correlated to (or associated with) our operating performance. We believe that diluted EPS is the most directly comparable GAAP measure to this per share measure.  This measure has most of the same limitations as Diluted FFO (described above) as well as the further limitation of not reflecting the effects of the excluded items; we compensate for these limitations in essentially the same manner as described above for Diluted FFO.

The computations for all of the above measures on a diluted basis assume the conversion of common units in COPLP but do not assume the conversion of other securities that are convertible into common shares if the conversion of those securities would increase per share measures in a given period.

39

The table below sets forth the computation of the above stated measures, and provides reconciliations to the GAAP measures associated with such measures:

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2022		2021		2022		2021
	(Dollars and shares in thousands, except per share data)
Net income	$	33,595	$	43,898	$	94,419	$	37,819
Real estate-related depreciation and amortization	34,812		37,555		69,076		74,876
Depreciation and amortization on UJVs allocable to COPT	525		476		1,051		930
Gain on sales of real estate	19		(40,233)		(28,560)		(39,743)
FFO	68,951		41,696		135,986		73,882
FFO allocable to other noncontrolling interests	(1,178)		(1,302)		(2,220)		(2,329)
Basic FFO allocable to share-based compensation awards	(357)		(193)		(719)		(353)
Basic FFO available to common share and common unit holders	67,416		40,201		133,047		71,200
Redeemable noncontrolling interests	4		11		(2)		70
Diluted FFO adjustments allocable to share-based compensation awards	27		—		54		—
Diluted FFO available to common share and common unit holders	67,447		40,212		133,099		71,270
Loss on early extinguishment of debt	—		25,228		342		58,394
Demolition costs on redevelopment and nonrecurring improvements	—		302		—		302
Executive transition costs	137		—		137		—
Diluted FFO comparability adjustments allocable to share-based compensation awards	—		(137)		(2)		(304)
Diluted FFO available to common share and common unit holders, as adjusted for comparability	$	67,584	$	65,605	$	133,576	$	129,662
Weighted average common shares	112,082		111,974		112,052		111,931
Conversion of weighted average common units	1,476		1,262		1,430		1,254
Weighted average common shares/units - Basic FFO per share	113,558		113,236		113,482		113,185
Dilutive effect of share-based compensation awards	429		297		427		280
Redeemable noncontrolling interests	126		133		129		125
Weighted average common shares/units - Diluted FFO per share and as adjusted for comparability	114,113		113,666		114,038		113,590
Diluted FFO per share	$	0.59	$	0.35	$	1.17	$	0.63
Diluted FFO per share, as adjusted for comparability	$	0.59	$	0.58	$	1.17	$	1.14
Denominator for diluted EPS	112,637		112,404		112,608		112,336
Weighted average common units	1,476		1,262		1,430		1,254
Denominator for diluted FFO per share and as adjusted for comparability	114,113		113,666		114,038		113,590

Property Additions

The table below sets forth the major components of our additions to properties for the six months ended June 30, 2022 (in thousands):

Development	$	138,409
Tenant improvements on operating properties (1)	16,207
Capital improvements on operating properties	13,584
	$	168,200

(1)Tenant improvement costs incurred on newly-developed properties are classified in this table as development and redevelopment.

Cash Flows

Net cash flow from operating activities increased $708,000 when comparing the six months ended June 30, 2022 and 2021, which included a decrease in interest expense paid resulting from debt refinancings completed in 2021 that reduced our borrowing rates on unsecured senior notes and affected the timing of our interest payments on such notes.

40

Net cash flow provided by investing activities increased $65.5 million when comparing the six months ended June 30, 2022 and 2021 due to $220.8 million in proceeds from properties sold in the current period (primarily pertaining to our wholesale data center) as compared to $114.4 million in the prior period (mostly from our sale of a 90% interest in two data center shells), partially offset by a $32.0 million increase in cash outlays for development and redevelopment of properties in the current period.

Net cash flow used in financing activities in the six months ended June 30, 2022 was $165.3 million, and included the following:

•net repayment of debt borrowings of $96.6 million; and

•dividends to common shareholders of $61.8 million.

Net cash flow used in financing activities in the six months ended June 30, 2021 was $107.7 million, and included the following:

•dividends to common shareholders of $61.7 million; and

•net repayment of debt borrowings of $37.4 million.

Supplemental Guarantor Information

As of June 30, 2022, COPLP had several series of unsecured senior notes outstanding that were issued in transactions registered with the SEC under the Securities Act of 1933, as amended. These notes are COPLP’s direct, senior unsecured and unsubordinated obligations and rank equally in right of payment with all of COPLP’s existing and future senior unsecured and unsubordinated indebtedness. However, these notes are effectively subordinated in right of payment to COPLP’s existing and future secured indebtedness. The notes are also effectively subordinated in right of payment to all existing and future liabilities and other indebtedness, whether secured or unsecured, of COPLP's subsidiaries. COPT fully and unconditionally guarantees COPLP’s obligations under these notes. COPT’s guarantees of these notes are senior unsecured obligations that rank equally in right of payment with other senior unsecured obligations of, or guarantees by, COPT. COPT itself does not hold any indebtedness, and its only material asset is its investment in COPLP.

As permitted under Rule 13-01(a)(4)(vi), we do not provide summarized financial information for the Operating Partnership since: the assets, liabilities, and results of operations of the Company and the Operating Partnership are not materially different than the corresponding amounts presented in the consolidated financial statements of the Company; and we believe that inclusion of such summarized financial information would be repetitive and not provide incremental value to investors.

Liquidity and Capital Resources

As of June 30, 2022, we had $20.7 million in cash and cash equivalents.

We have a Revolving Credit Facility with an aggregate commitment by the lenders of $800.0 million, with the ability for us to increase such commitment to $1.25 billion, provided that there is no default under the facility and subject to the approval of the lenders. We use this facility to initially fund much of the cash requirements from our investing activities, including property development/redevelopment costs, as well as certain debt balloon payments due upon maturity.  We then subsequently pay down the facility using cash available from operations and proceeds from long-term borrowings, equity issuances and sales of interests in properties. The facility matures in March 2023, and may be extended by two six-month periods at our option, provided that there is no default under the facility and we pay an extension fee of 0.075% of the total availability under the facility for each extension period. As of June 30, 2022, the maximum borrowing capacity under this facility totaled $800.0 million, of which $619.0 million was available.

Our senior unsecured debt is rated investment grade by the three major rating agencies. We aim to maintain an investment grade rating to enable us to use debt comprised of unsecured, primarily fixed-rate debt (including the effect of interest rate swaps) from public markets and banks. We also use secured nonrecourse debt from institutional lenders and banks primarily for joint venture financings. In addition, we periodically raise equity when we access the public equity markets by issuing common shares and, to a lesser extent, preferred shares.

In May 2022, we replaced our 2018 ATM stock offering program with the 2022 ATM Program under which we may offer and sell common shares in at-the-market stock offerings having an aggregate gross sales price of up to $300 million. Under this program, we may also, at our discretion, sell common shares under forward equity sales agreements. The use of a forward equity sales agreement would enable us to lock in a price on a sale of common shares when the agreement is executed but defer issuing the shares and receiving the sale proceeds until a later date.

We believe that our liquidity and capital resources are adequate for our near-term and longer-term requirements without necessitating property sales. However, we may dispose of interests in properties opportunistically or when market conditions otherwise warrant. In addition, we believe that we have the ability to raise additional equity by selling interests in data center shells through joint ventures.

41

Our material cash requirements, including contractual and other obligations, include:

•property operating expenses, including future lease obligations from us as a lessee;

•construction contract expenses;

•general and administrative expenses;

•debt service, including interest expense;

•property development/redevelopment costs;

•tenant and capital improvements and leasing costs for operating properties (expected to total approximately $55 million during the remainder of 2022);

•debt balloon payments due upon maturity; and

•dividends to our shareholders.

We expect to use cash flow from operations during the remainder of 2022 and annually thereafter for the foreseeable future to fund all of these cash requirements except for debt balloon payments due upon maturity and a portion of property development/redevelopment costs.

During the remainder of 2022, we expect to spend approximately $165 million on development/redevelopment costs, most of which was contractually obligated as of June 30, 2022; we expect to fund these cash requirements using, in part, any available remaining cash flow from operations, with the balance funded primarily using borrowings under our Revolving Credit Facility, at least initially. As of June 30, 2022, we had $100 million in debt balloon payments due in December 2022 that we expect to repay using borrowings under our Revolving Credit Facility or proceeds from new long-term debt borrowings. As we use our Revolving Credit Facility to fund development/redevelopment costs and debt balloon payments, we intend to free up borrowing capacity by paying it down using proceeds from sales of interests in data center shells, property sales, new long-term debt borrowings and/or issuing common shares.

Beyond 2022, we expect to fund property development and redevelopment activities using, in part, any available remaining cash flow from operations, with most of the balance funded initially using borrowings under our Revolving Credit Facility.

We provide disclosure in our consolidated financial statements on our future lessee obligations (expected to be funded primarily by cash flow from operations) in Note 5 and future debt obligations (expected to be refinanced by new debt borrowings or funded by future equity issuances and/or sales of interests in properties) in Note 9.

Certain of our debt instruments require that we comply with a number of restrictive financial covenants, including maximum leverage ratio, unencumbered leverage ratio, minimum net worth, minimum fixed charge coverage, minimum unencumbered interest coverage ratio, minimum debt service and maximum secured indebtedness ratio.  As of June 30, 2022, we were compliant with these covenants.

Recent Accounting Pronouncements

See Note 2 to our consolidated financial statements for information regarding recent accounting pronouncements.

Item 3.           Quantitative and Qualitative Disclosures about Market Risk

We are exposed to certain market risks, one of the most predominant of which is a change in interest rates.  Increases in interest rates can result in increased interest expense under our Revolving Credit Facility and other variable rate debt.  Increases in interest rates can also result in increased interest expense when our fixed rate debt matures and needs to be refinanced.

The following table sets forth as of June 30, 2022 our debt obligations and weighted average interest rates on debt maturing each year (dollars in thousands):

	For the Periods Ending December 31,
	2022		2023		2024		2025		2026		Thereafter		Total
Debt:
Fixed rate debt (1)	$	1,445	$	18,413	$	29,443	$	1,302	$	436,140	$	1,400,000	$	1,886,743
Weighted average interest rate	3.84%		3.94%		4.42%		3.23%		2.38%		2.58%		2.58%
Variable rate debt (2)	$	100,270	$	181,540	$	540	$	22,415	$	10,160	$	—	$	314,925
Weighted average interest rate (3)	2.31%		2.38%		2.57%		2.61%		2.51%		—%		2.38%

(1)Represents principal maturities only and therefore excludes net discounts and deferred financing costs of $23.9 million.

(2)As of June 30, 2022, maturities in 2023 included $181.0 million that may be extended to 2024, subject to certain conditions.

(3)The amounts reflected above used interest rates as of June 30, 2022 for variable rate debt.

The fair value of our debt was $2.1 billion as of June 30, 2022.  If interest rates had been 1% lower, the fair value of our fixed-rate debt would have increased by approximately $122 million as of June 30, 2022.

42

See Note 10 to our consolidated financial statements for information pertaining to interest rate swap contracts in place as of June 30, 2022 and their respective fair values.

Based on our variable-rate debt balances, including the effect of interest rate swap contracts, our interest expense would have increased by $395,000 in the six months ended June 30, 2022 if the applicable LIBOR rate was 1% higher.

Item 4.           Controls and Procedures

(a)    Evaluation of Disclosure Controls and Procedures

Our management, with the participation of our Chief Executive Officer and Chief Financial Officer, evaluated the effectiveness of our disclosure controls and procedures (as defined in Rule 13a-15(e) under the Exchange Act) as of June 30, 2022.  Based on this evaluation, our Chief Executive Officer and Chief Financial Officer concluded that our disclosure controls and procedures as of June 30, 2022 were functioning effectively to provide reasonable assurance that the information required to be disclosed in reports filed or submitted under the Securities Exchange Act of 1934 is (i) recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms, and (ii) accumulated and communicated to our management, including our principal executive and principal financial officers, or persons performing similar functions, as appropriate to allow timely decisions regarding required disclosure.

(b)    Change in Internal Control over Financial Reporting

No change in our internal control over financial reporting occurred during the most recent fiscal quarter that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

PART II: OTHER INFORMATION

Item 1.           Legal Proceedings

We are not currently involved in any material litigation nor, to our knowledge, is any material litigation currently threatened against us (other than routine litigation arising in the ordinary course of business, substantially all of which is expected to be covered by liability insurance).

Item 1A.         Risk Factors

 There have been no material changes to the risk factors included in our 2021 Annual Report on Form 10-K.

Item 2.           Unregistered Sales of Equity Securities and Use of Proceeds

(a)    Not applicable

(b)    Not applicable

(c)    Not applicable

Item 3.           Defaults Upon Senior Securities

(a)    Not applicable

(b)    Not applicable

Item 4.           Mine Safety Disclosures

Not applicable

Item 5.           Other Information

(a)    Not applicable

(b)    Not applicable

43

Item 6.           Exhibits

(a)    Exhibits:

EXHIBIT NO.	DESCRIPTION
22.1	List of Subsidiary Issuers and Guaranteed Securities (filed with the Company’s Annual Report on Form 10-K for the year ended December 31, 2021 and incorporated herein by reference).
31.1	Certification of the Chief Executive Officer of Corporate Office Properties Trust required by Rule 13a-14(a) under the Securities Exchange Act of 1934, as amended (filed herewith).
31.2	Certification of the Chief Financial Officer of Corporate Office Properties Trust required by Rule 13a-14(a) under the Securities Exchange Act of 1934, as amended (filed herewith).
32.1	Certification of the Chief Executive Officer of Corporate Office Properties Trust required by Rule 13a-14(b) under the Securities Exchange Act of 1934, as amended. (This exhibit shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that section. Further, this exhibit shall not be deemed to be incorporated by reference into any filing under the Securities Exchange Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended.) (Furnished herewith).
32.2	Certification of the Chief Financial Officer of Corporate Office Properties Trust required by Rule 13a-14(b) under the Securities Exchange Act of 1934, as amended. (This exhibit shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that section. Further, this exhibit shall not be deemed to be incorporated by reference into any filing under the Securities Exchange Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended). (Furnished herewith).
101.INS	XBRL Instance Document - The instance document does not appear in the interactive data file because its XBRL tags are embedded within the Inline XBRL document (filed herewith).
101.SCH	Inline XBRL Taxonomy Extension Schema Document (filed herewith).
101.CAL	Inline XBRL Taxonomy Extension Calculation Linkbase Document (filed herewith).
101.LAB	Inline XBRL Extension Labels Linkbase (filed herewith).
101.PRE	Inline XBRL Taxonomy Extension Presentation Linkbase Document (filed herewith).
101.DEF	Inline XBRL Taxonomy Extension Definition Linkbase Document (filed herewith).
104	Cover Page Interactive Data File (formatted as Inline XBRL and contained in Exhibit 101).

44

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

			CORPORATE OFFICE PROPERTIES TRUST
Date:	August 2, 2022	By:	/s/ Stephen E. Budorick
			Stephen E. Budorick
			President and Chief Executive Officer
Date:	August 2, 2022	By:	/s/ Anthony Mifsud
			Anthony Mifsud
			Executive Vice President and Chief Financial Officer

45

EX-31.1

EXHIBIT 31.1

CORPORATE OFFICE PROPERTIES TRUST

CERTIFICATIONS REQUIRED BY

RULE 13a-14(a) UNDER THE SECURITIES EXCHANGE ACT OF 1934

CERTIFICATIONS

I, Stephen E. Budorick, certify that:

1.    I have reviewed this Quarterly Report on Form 10-Q of Corporate Office Properties Trust;

2.    Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.    Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.    The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a)    Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b)    Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c)    Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d)    Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.    The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a)    All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b)    Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date:	August 2, 2022	/s/ Stephen E. Budorick
		Stephen E. Budorick
		President and Chief Executive Officer

EX-31.2

EXHIBIT 31.2

CORPORATE OFFICE PROPERTIES TRUST

CERTIFICATIONS REQUIRED BY

RULE 13a-14(a) UNDER THE SECURITIES EXCHANGE ACT OF 1934

CERTIFICATIONS

I, Anthony Mifsud, certify that:

1.    I have reviewed this Quarterly Report on Form 10-Q of Corporate Office Properties Trust;

2.    Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.    Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4.    The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a)    Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b)    Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c)    Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d)    Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.    The registrant’s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a)    All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b)    Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting. 

Date:	August 2, 2022	/s/ Anthony Mifsud
		Anthony Mifsud
		Chief Financial Officer

EX-32.1

EXHIBIT 32.1

CORPORATE OFFICE PROPERTIES TRUST

CERTIFICATIONS REQUIRED BY

RULE 13a-14(b) UNDER THE SECURITIES EXCHANGE ACT OF 1934

In connection with the Quarterly Report on Form 10-Q of Corporate Office Properties Trust (the “Company”) for the quarter ended June 30, 2022, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Stephen E. Budorick, President and Chief Executive Officer of the Company, certify that to my knowledge:

(1)    The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2)    The information contained in the Report fairly presents, in all material respects, the financial condition and result of operations of the Company.

/s/ Stephen E. Budorick
Stephen E. Budorick
President and Chief Executive Officer
Date:	August 2, 2022

EX-32.2

EXHIBIT 32.2

CORPORATE OFFICE PROPERTIES TRUST

CERTIFICATIONS REQUIRED BY

RULE 13a-14(b) UNDER THE SECURITIES EXCHANGE ACT OF 1934

In connection with the Quarterly Report on Form 10-Q of Corporate Office Properties Trust (the “Company”) for the quarter ended June 30, 2022, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Anthony Mifsud, Chief Financial Officer of the Company, certify that to my knowledge:

(1)    The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2)    The information contained in the Report fairly presents, in all material respects, the financial condition and result of operations of the Company.

/s/ Anthony Mifsud
Anthony Mifsud
Chief Financial Officer
Date:	August 2, 2022

XML

Cover - shares	6 Months Ended
	Jun. 30, 2022	Jul. 22, 2022
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Jun. 30, 2022
Document Transition Report	false
Entity File Number	1-14023
Entity Registrant Name	CORPORATE OFFICE PROPERTIES TRUST
Entity Incorporation, State or Country Code	MD
Entity Tax Identification Number	23-2947217
Entity Address, Address Line One	6711 Columbia Gateway Drive
Entity Address, Address Line Two	Suite 300
Entity Address, City or Town	Columbia
Entity Address, State or Province	MD
Entity Address, Postal Zip Code	21046
City Area Code	443
Local Phone Number	285-5400
Title of 12(b) Security	Common Shares of beneficial interest, $0.01 par value
Trading Symbol	OFC
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		112,423,310
Entity Central Index Key	0000860546
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q2

XML

Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Properties, net:
Operating properties, net	$ 3,180,790	$ 3,090,510
Projects in development or held for future development	458,961	442,434
Total properties, net	3,639,751	3,532,944
Property - operating right-of-use assets	38,056	38,361
Assets held for sale, net	0	192,699
Cash and cash equivalents	20,735	13,262
Investment in unconsolidated real estate joint ventures	39,017	39,889
Accounts receivable, net	31,554	40,752
Deferred rent receivable	121,015	108,926
Intangible assets on property acquisitions, net	12,543	14,567
Lease incentives, net	50,871	51,486
Deferred leasing costs (net of accumulated amortization of $32,379 and $31,768, respectively)	68,004	65,850
Prepaid expenses and other assets, net	78,762	81,490
Total assets	4,185,193	4,262,452
Liabilities:
Debt, net	2,177,811	2,272,304
Accounts payable and accrued expenses	177,180	186,202
Rents received in advance and security deposits	27,745	32,262
Dividends and distributions payable	31,400	31,299
Deferred revenue associated with operating leases	8,416	9,341
Property - operating lease liabilities	29,412	29,342
Other liabilities	10,526	17,729
Total liabilities	2,462,490	2,578,479
Commitments and contingencies (Note 18)
Redeemable noncontrolling interests	26,752	26,898
Shareholders’ equity:
Common Shares of beneficial interest ($0.01 par value; 150,000,000 shares authorized; shares issued and outstanding of 112,424,671 at June 30, 2022 and 112,327,533 at December 31, 2021)	1,124	1,123
Additional paid-in capital	2,481,139	2,481,539
Cumulative distributions in excess of net income	(827,076)	(856,863)
Accumulated other comprehensive income (loss)	1,806	(3,059)
Total shareholders’ equity	1,656,993	1,622,740
Noncontrolling interests in subsidiaries:
Common units in Corporate Office Properties, L.P. (“COPLP”)	25,505	21,363
Other consolidated entities	13,453	12,972
Noncontrolling interests in subsidiaries	38,958	34,335
Total equity	1,695,951	1,657,075
Total liabilities, redeemable noncontrolling interests and equity	4,185,193	4,262,452
Investing Receivables
Properties, net:
Investing receivables (net of allowance for credit losses of $1,645 and $1,599, respectively)	$ 84,885	$ 82,226

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Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Accumulated amortization of deferred leasing costs	$ 32,379	$ 31,768
Common Shares of beneficial interest, par value (in dollars per share)	$ 0.01	$ 0.01
Common Shares of beneficial interest, shares authorized (in shares)	150,000,000	150,000,000
Common Shares of beneficial interest issued (in shares)	112,424,671	112,327,533
Common Shares of beneficial interest, shares outstanding (in shares)	112,424,671	112,327,533
Investing Receivables
Investing receivable allowance for credit loss	$ 1,645	$ 1,599

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Consolidated Statements of Operations - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenues
Lease revenue		$ 142,277	$ 136,454	$ 283,666	$ 273,744
Other property revenue		969	765	1,860	1,305
Construction contract and other service revenues		42,557	19,988	95,757	36,546
Total revenues		185,803	157,207	381,283	311,595
Operating expenses
Property operating expenses		54,116	50,914	111,297	104,190
Depreciation and amortization associated with real estate operations		34,812	34,732	69,076	69,232
Construction contract and other service expenses		41,304	19,082	92,954	34,875
General, administrative and leasing expenses		8,355	9,222	16,899	17,628
Business development expenses and land carry costs		701	1,372	1,484	2,466
Total operating expenses		139,288	115,322	291,710	228,391
Interest expense		(14,808)	(15,942)	(29,232)	(33,461)
Interest and other income		1,818	2,228	3,711	4,093
Credit loss (expense) recoveries		(225)	(193)	91	714
Gain on sales of real estate		(19)	40,233	(4)	39,743
Loss on early extinguishment of debt		0	(25,228)	(342)	(58,394)
Income from continuing operations before equity in income of unconsolidated entities and income taxes		33,281	42,983	63,797	35,899
Equity in income of unconsolidated entities		318	260	1,206	482
Income tax expense		(4)	(24)	(157)	(56)
Income from continuing operations		33,595	43,219	64,846	36,325
Discontinued operations		0	679	29,573	1,494
Net income		33,595	43,898	94,419	37,819
Net income attributable to noncontrolling interests:
Common units in COPLP		(496)	(559)	(1,352)	(474)
Other consolidated entities		(789)	(938)	(1,438)	(1,613)
Net income attributable to COPT common shareholders		$ 32,310	$ 42,401	$ 91,629	$ 35,732
Basic earnings per common share:
Income from continuing operations - basic (in dollars per share)	[1]	$ 0.29	$ 0.37	$ 0.55	$ 0.30
Discontinued operations - basic (in dollars per share)	[1]	0	0.01	0.26	0.02
Net income attributable to COPT common shareholders - basic (in dollars per share)	[1]	0.29	0.38	0.81	0.32
Diluted earnings per common share:
Income from continuing operations - diluted (in dollars per share)	[1]	0.29	0.37	0.55	0.30
Discontinued operations - diluted (in dollars per share)	[1]	0	0.01	0.26	0.02
Net income attributable to COPT common shareholders - diluted (in dollars per share)	[1]	$ 0.29	$ 0.38	$ 0.81	$ 0.32

[1] Basic and diluted earnings per common share are calculated based on amounts attributable to common shareholders of Corporate Office Properties Trust.

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Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 33,595	$ 43,898	$ 94,419	$ 37,819
Other comprehensive income:
Unrealized income (loss) on interest rate derivatives	1,008	(240)	3,545	544
Reclassification adjustments on interest rate derivatives recognized in interest expense	754	1,203	1,757	2,378
Total other comprehensive income	1,762	963	5,302	2,922
Comprehensive income	35,357	44,861	99,721	40,741
Comprehensive income attributable to noncontrolling interests	(1,405)	(1,484)	(3,227)	(2,267)
Comprehensive income attributable to COPT	$ 33,952	$ 43,377	$ 96,494	$ 38,474

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Consolidated Statements of Equity - USD ($) $ in Thousands	Total	Common Shares	Additional Paid-in Capital	Cumulative Distributions in Excess of Net Income	Accumulated Other Comprehensive Income (Loss)	Noncontrolling Interests
Balance at Dec. 31, 2020	$ 1,693,712	$ 1,122	$ 2,478,906	$ (809,836)	$ (9,157)	$ 32,677
Increase (Decrease) in Shareholders' Equity
Conversion of common units to common shares	0		121			(121)
Redemption of common units	(241)					(241)
Share-based compensation issuance, net of redemptions	4,160	1	2,175			1,984
Redemption of vested equity awards	(2,358)		(2,358)
Adjustments to noncontrolling interests resulting from changes in ownership of COPLP	0		194			(194)
Comprehensive income	39,588			35,732	2,742	1,114
Dividends	(61,790)			(61,790)
Distributions to owners of common units in COPLP	(798)					(798)
Distributions to noncontrolling interests in other consolidated entities	(15)					(15)
Adjustment to arrive at fair value of redeemable noncontrolling interests	(622)		(622)
Other	(324)					(324)
Balance at Jun. 30, 2021	1,671,312	1,123	2,478,416	(835,894)	(6,415)	34,082
Balance at Mar. 31, 2021	1,656,792	1,123	2,476,807	(847,407)	(7,391)	33,660
Increase (Decrease) in Shareholders' Equity
Redemption of common units	(241)					(241)
Share-based compensation issuance, net of redemptions	2,145	0	1,078			1,067
Redemption of vested equity awards	(68)		(68)
Adjustments to noncontrolling interests resulting from changes in ownership of COPLP	0		739			(739)
Comprehensive income	44,120			42,401	976	743
Dividends	(30,888)			(30,888)
Distributions to owners of common units in COPLP	(400)					(400)
Distributions to noncontrolling interests in other consolidated entities	(8)					(8)
Adjustment to arrive at fair value of redeemable noncontrolling interests	(140)		(140)
Balance at Jun. 30, 2021	1,671,312	1,123	2,478,416	(835,894)	(6,415)	34,082
Balance at Dec. 31, 2021	1,657,075	1,123	2,481,539	(856,863)	(3,059)	34,335
Increase (Decrease) in Shareholders' Equity
Redemption of common units	(376)					(376)
Share-based compensation issuance, net of redemptions	4,678	1	2,021			2,656
Redemption of vested equity awards	(1,120)		(1,120)
Adjustments to noncontrolling interests resulting from changes in ownership of COPLP	0		(1,378)			1,378
Comprehensive income	98,415			91,629	4,865	1,921
Dividends	(61,842)			(61,842)
Distributions to owners of common units in COPLP	(941)					(941)
Distributions to noncontrolling interests in other consolidated entities	(15)					(15)
Adjustment to arrive at fair value of redeemable noncontrolling interests	77		77
Balance at Jun. 30, 2022	1,695,951	1,124	2,481,139	(827,076)	1,806	38,958
Balance at Mar. 31, 2022	1,690,536	1,124	2,479,119	(828,473)	164	38,602
Increase (Decrease) in Shareholders' Equity
Redemption of common units	(164)					(164)
Share-based compensation issuance, net of redemptions	2,377		1,007			1,370
Redemption of vested equity awards	(61)		(61)
Adjustments to noncontrolling interests resulting from changes in ownership of COPLP	0		1,036			(1,036)
Comprehensive income	34,618			32,310	1,642	666
Dividends	(30,913)			(30,913)
Distributions to owners of common units in COPLP	(472)					(472)
Distributions to noncontrolling interests in other consolidated entities	(8)					(8)
Adjustment to arrive at fair value of redeemable noncontrolling interests	38		38
Balance at Jun. 30, 2022	$ 1,695,951	$ 1,124	$ 2,481,139	$ (827,076)	$ 1,806	$ 38,958

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Consolidated Statements of Equity (Parenthetical) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Statement of Stockholders' Equity [Abstract]
Shares outstanding (in shares)	112,424,671	112,336,070	112,424,671	112,336,070
Conversion of common units to common shares (in shares)				8,054
Share-based compensation issuance, net of redemptions (in shares)	5,860	8,836	97,138	146,257

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Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities
Revenues from real estate operations received	$ 285,858	$ 280,708
Construction contract and other service revenues received	90,663	38,419
Property operating expenses paid	(99,512)	(91,672)
Construction contract and other service expenses paid	(88,833)	(34,445)
General, administrative, leasing, business development and land carry costs paid	(17,782)	(15,399)
Interest expense paid	(26,732)	(31,392)
Lease incentives paid	(7,739)	(7,442)
Other	2,797	(765)
Net cash provided by operating activities	138,720	138,012
Cash flows from investing activities
Development and redevelopment of properties	(142,862)	(110,909)
Tenant improvements on operating properties	(16,734)	(10,872)
Other capital improvements on operating properties	(21,590)	(12,382)
Proceeds from sale of properties	220,780	114,394
Leasing costs paid	(4,121)	(11,408)
Other	(565)	576
Net cash provided by (used in) investing activities	34,908	(30,601)
Proceeds from debt
Revolving Credit Facility	329,000	387,000
Unsecured senior notes	0	589,818
Other debt proceeds	0	4,459
Repayments of debt
Revolving Credit Facility	(224,000)	(361,000)
Unsecured senior notes	0	(600,000)
Scheduled principal amortization	(1,618)	(1,922)
Other debt repayments	(200,000)	0
Payments in connection with early extinguishment of debt	(6)	(55,713)
Common share dividends paid	(61,814)	(61,747)
Other	(6,859)	(8,564)
Net cash used in financing activities	(165,297)	(107,669)
Net increase (decrease) in cash and cash equivalents and restricted cash	8,331	(258)
Cash and cash equivalents and restricted cash
Beginning of period	17,316	22,033
End of period	25,647	21,775
Reconciliation of net income to net cash provided by operating activities:
Net income	94,419	37,819
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and other amortization	70,235	76,476
Amortization of deferred financing costs and net debt discounts	2,351	2,666
Increase in deferred rent receivable	(11,603)	(9,421)
Gain on sales of real estate	(28,560)	(39,743)
Share-based compensation	4,301	3,913
Loss on early extinguishment of debt	342	58,394
Other	(2,549)	(2,462)
Changes in operating assets and liabilities:
Decrease in accounts receivable	9,374	45
Decrease in lease incentives and prepaid expenses and other assets, net	8,407	13,894
Decrease in accounts payable, accrued expenses and other liabilities	(3,480)	(1,037)
Decrease in rents received in advance and security deposits	(4,517)	(2,532)
Net cash provided by operating activities	138,720	138,012
Reconciliation of cash and cash equivalents and restricted cash:
Cash and cash equivalents	20,735	17,182
Restricted cash	4,912	4,593
Cash and cash equivalents and restricted cash	25,647	21,775
Supplemental schedule of non-cash investing and financing activities:
Decrease in accrued capital improvements, leasing and other investing activity costs	(6,222)	(15,887)
Recognition of operating right-of-use assets and related lease liabilities	683	328
Investment in unconsolidated real estate joint venture retained in property disposition	0	11,842
Increase in fair value of derivatives applied to accumulated other comprehensive loss and noncontrolling interests	5,072	2,922
Dividends/distributions payable	31,400	31,302
Decrease in noncontrolling interests and increase in shareholders’ equity in connection with the conversion of common units into common shares	0	121
Adjustments to noncontrolling interests resulting from changes in COPLP ownership	1,378	(194)
(Decrease) increase in redeemable noncontrolling interests and (increase) decrease in equity to carry redeemable noncontrolling interests at fair value	$ (77)	$ 622

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Organization

6 Months Ended

Jun. 30, 2022

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Organization

Organization

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:

•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;

•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

•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.

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”).

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.

COPT’s common shares are publicly traded on the New York Stock Exchange (“NYSE”) under the ticker symbol “OFC”.

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Summary of Significant Accounting Policies

6 Months Ended

Jun. 30, 2022

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

Summary of Significant Accounting Policies

Basis of Presentation

These consolidated financial statements include the accounts of COPT, the Operating Partnership, their subsidiaries and other entities in which COPT has a majority voting interest and control.  We also consolidate certain entities when control of such entities can be achieved through means other than voting rights (“variable interest entities” or “VIEs”) if we are deemed to be the primary beneficiary of such entities.  We eliminate all intercompany balances and transactions in consolidation.

We use the equity method of accounting when we own an interest in an entity and can exert significant influence over but cannot control the entity’s operations. We discontinue equity method accounting if our investment in an entity (and net advances) is reduced to zero unless we have guaranteed obligations of the entity or are otherwise committed to provide further financial support for the entity.

When we own an equity investment in an entity and cannot exert significant influence over its operations, we measure the investment at fair value, with changes recognized through net income. For an investment without a readily determinable fair value, we measure the investment at cost, less any impairments, plus or minus changes resulting from observable price changes for an identical or similar investment of the same issuer.

These interim financial statements should be read together with the consolidated financial statements and notes thereto as of and for the year ended December 31, 2021 included in our 2021 Annual Report on Form 10-K.  The unaudited consolidated financial statements include all adjustments that are necessary, in the opinion of management, to fairly state our financial position and results of operations.  All adjustments are of a normal recurring nature.  The consolidated financial statements have been prepared using the accounting policies described in our 2021 Annual Report on Form 10-K as updated for our adoption of recent accounting pronouncements discussed below.

Reclassifications

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.

Recent Accounting Pronouncements

In March 2020, the Financial Accounting Standards Board issued guidance containing practical expedients for reference rate reform related activities pertaining to debt, leases, derivatives and other contracts. The guidance is optional and may be elected over time as reference rate reform activities occur. In 2020, we elected to apply an expedient to treat any changes in loans resulting from reference rate reform as debt modifications (as opposed to extinguishments) and hedge accounting expedients related to probability and the assessments of effectiveness for future LIBOR-indexed cash flows to assume that the index upon which future hedged transactions will be based matches the index on the corresponding derivatives. Application of the hedge accounting expedients preserves the presentation of derivatives consistent with past presentation. We will continue to evaluate the impact of this guidance and may apply other elections as applicable as additional changes in the market occur.

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Fair Value Measurements

6 Months Ended

Jun. 30, 2022

Fair Value Disclosures [Abstract]

Fair Value Measurements

Fair Value Measurements

Recurring Fair Value Measurements

We have a non-qualified elective deferred compensation plan for Trustees and certain members of our management team that, prior to December 31, 2019, permitted participants to defer up to 100% of their compensation on a pre-tax basis and receive a tax-deferred return on such deferrals. Effective December 31, 2019, no new investments of deferred compensation were eligible for the plan.  The assets held in the plan (comprised primarily of mutual funds and equity securities) and the corresponding liability to the participants are measured at fair value on a recurring basis on our consolidated balance sheets using quoted market prices, as are other marketable securities that we hold. The balance of the plan, which was fully funded and totaled $1.9 million as of June 30, 2022, is included in the line entitled “prepaid expenses and other assets, net” on our consolidated balance sheets along with an insignificant amount of other marketable securities. The offsetting liability associated with the plan is adjusted to fair value at the end of each accounting period based on the fair value of the plan assets and reported in “other liabilities” on our consolidated balance sheets. The assets of the plan are classified in Level 1 of the fair value hierarchy, while the offsetting liability is classified in Level 2 of the fair value hierarchy.

The fair values of our interest rate derivatives are determined using widely accepted valuation techniques, including a discounted cash flow analysis on the expected cash flows of each derivative. This analysis reflects the contractual terms of the derivatives, including the period to maturity, and uses observable market-based inputs, including interest rate market data and implied volatilities in such interest rates. While we determined that the majority of the inputs used to value our derivatives fall within Level 2 of the fair value hierarchy, the credit valuation adjustments associated with our interest rate derivatives utilize Level 3 inputs, such as estimates of current credit spreads to evaluate the likelihood of default. However, as of June 30, 2022, we assessed the significance of the impact of the credit valuation adjustments on the overall valuation of our derivatives and determined that these adjustments were not significant. As a result, we determined that our interest rate derivative valuations in their entirety are classified in Level 2 of the fair value hierarchy.

The carrying values of cash and cash equivalents, restricted cash, accounts receivable, other assets (excluding investing receivables) and accounts payable and accrued expenses are reasonable estimates of their fair values because of the short maturities of these instruments.  The fair values of our investing receivables, as disclosed in Note 7, were based on the discounted estimated future cash flows of the loans (categorized within Level 3 of the fair value hierarchy); the discount rates used approximate current market rates for loans with similar maturities and credit quality, and the estimated cash payments include scheduled principal and interest payments.  For our disclosure of debt fair values in Note 9, we estimated the fair value of our unsecured senior notes based on quoted market rates for our senior notes (categorized within Level 1 of the fair value hierarchy) and estimated the fair value of our other debt based on the discounted estimated future cash payments to be made on such debt (categorized within Level 3 of the fair value hierarchy); the discount rates used approximate current market rates for loans, or groups of loans, with similar maturities and credit quality, and the estimated future payments include scheduled principal and interest payments.  Fair value estimates are made as of a specific point in time, are subjective in nature and involve uncertainties and matters of significant judgment. 

For additional fair value information, refer to Note 7 for investing receivables, Note 9 for debt and Note 10 for interest rate derivatives. 

The table below sets forth our financial assets and liabilities accounted for at fair value on a recurring basis as of June 30, 2022 and the hierarchy level of inputs used in measuring their respective fair values under applicable accounting standards (in thousands):

Description	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable  Inputs (Level 3)		Total
Assets:
Marketable securities in deferred compensation plan (1)
Mutual funds	$	1,824	$	—	$	—	$	1,824
Other	57		—		—		57
Other marketable securities (1)	32		—		—		32
Interest rate derivatives (1)	—		2,468		—		2,468
Total assets	$	1,913	$	2,468	$	—	$	4,381
Liabilities:
Deferred compensation plan liability (2)	$	—	$	1,881	$	—	$	1,881

(1)Included in the line entitled “prepaid expenses and other assets, net” on our consolidated balance sheet.

(2)Included in the line entitled “other liabilities” on our consolidated balance sheet.

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Properties, Net

6 Months Ended

Jun. 30, 2022

Real Estate [Abstract]

Properties, Net

Properties, Net

Operating properties, net consisted of the following (in thousands): 

	June 30, 2022		December 31, 2021
Land	$	584,878	$	572,900
Buildings and improvements	3,809,623		3,670,133
Less: Accumulated depreciation	(1,213,711)		(1,152,523)
Operating properties, net	$	3,180,790	$	3,090,510

2022 Dispositions and Discontinued Operations

On January 25, 2022, we sold 9651 Hornbaker Road in Manassas, Virginia, our sole wholesale data center investment, for $222.5 million, resulting in a gain on sale of $28.6 million. This property, a separate reportable segment, is reported herein as discontinued operations. The table below sets forth the components of the property’s assets classified as held for sale on our consolidated balance sheet as of December 31, 2021 (in thousands):

Properties, net	$	191,857
Deferred rent receivable	462
Intangible assets on property acquisitions, net	73
Deferred leasing costs, net	307
Assets held for sale, net	$	192,699

The table below sets forth the property’s results of operations included in discontinued operations on our consolidated statements of operations and its operating and investing cash flows included on our consolidated statements of cash flows (in thousands):

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2022		2021		2022		2021
	(in thousands)
Revenues from real estate operations	$	—	$	7,204	$	1,980	$	14,538
Property operating expenses	—		(3,702)		(971)		(7,400)
Depreciation and amortization associated with real estate operations	—		(2,823)		—		(5,644)
Gain on sale of real estate	—		—		28,564		—
Discontinued operations	$	—	$	679	$	29,573	$	1,494
Cash flows from operating activities					$	5,497	$	8,938
Cash flows from investing activities					$	220,549	$	(577)

2022 Development Activities

During the six months ended June 30, 2022, we placed into service 363,000 square feet in three newly-developed properties. As of June 30, 2022, we had 12 properties under development, including one partially-operational property, and an expansion of one fully-operational property that we estimate will total 1.9 million square feet upon completion.

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Leases

6 Months Ended

Jun. 30, 2022

Leases [Abstract]

Leases

Leases

Lessor Arrangements

We lease real estate properties, comprised primarily of office properties and data center shells, to third parties. These leases encompass all, or a portion, of properties, with various expiration dates. Our lease revenue is comprised of: fixed lease revenue, including contractual rent billings under leases recognized on a straight-line basis over lease terms and amortization of lease incentives and above- and below- market lease intangibles; and variable lease revenue, including tenant expense recoveries, lease termination revenue and other revenue from tenants that is not fixed under leases. The table below sets forth our composition of lease revenue recognized between fixed and variable lease revenue (in thousands):

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
Lease revenue (1)	2022		2021		2022		2021
Fixed	$	112,691	$	107,823	$	223,858	$	214,758
Variable	29,586		28,631		59,808		58,986
	$	142,277	$	136,454	$	283,666	$	273,744

(1)Excludes lease revenue from discontinued operations of which: $5.6 million was fixed and $1.6 million was variable for the three months ended June 30, 2021; and $1.5 million and $11.1 million was fixed and $527,000 and $3.4 million was variable for the six months ended June 30, 2022 and 2021, respectively.

Fixed contractual payments due under our property leases were as follows (in thousands):

	As of June 30, 2022
Year Ending December 31,	Operating leases		Sales-type leases
2022 (1)	$	223,948	$	480
2023	420,071		960
2024	372,126		960
2025	285,179		960
2026	221,782		960
Thereafter	1,055,808		3,556
Total contractual payments	$	2,578,914	7,876
Less: Amount representing interest			(1,942)
Net investment in sales-type leases			$	5,934

(1)Represents the six months ending December 31, 2022.

Lessee Arrangements

As of June 30, 2022, our balance sheet included $40.3 million in right-of-use assets associated primarily with land leased from third parties underlying certain properties that we are operating with various expiration dates. Our property right-of-use assets consisted of the following (in thousands):

Leases	Balance Sheet Location	June 30, 2022		December 31, 2021
Right-of-use assets
Operating leases - Property	Property - operating right-of-use assets	$	38,056	$	38,361
Finance leases - Property	Prepaid expenses and other assets, net	2,222		2,238
Total right-of-use assets		$	40,278	$	40,599

Our property lease liabilities reported on our consolidated balance sheets consisted of the following (in thousands):

Leases	Balance Sheet Location	June 30, 2022		December 31, 2021
Lease liabilities
Operating leases - Property	Property - operating lease liabilities	$	29,412	$	29,342

As of June 30, 2022, our operating leases had a weighted average remaining lease term of 52 years and a weighted average discount rate of 7.19%. The table below presents our total property lease cost (in thousands):

	Statement of Operations Location	For the Three Months Ended June 30,				For the Six Months Ended June 30,
Lease cost		2022		2021		2022		2021
Operating lease cost
Property leases - fixed	Property operating expenses	$	1,032	$	1,013	$	2,051	$	1,986
Property leases - variable	Property operating expenses	17		10		33		20
Finance lease cost
Amortization of property right-of-use assets	Property operating expenses	8		9		16		18
		$	1,057	$	1,032	$	2,100	$	2,024

The table below presents the effect of property lease payments on our consolidated statements of cash flows (in thousands):

	For the Six Months Ended June 30,
Supplemental cash flow information	2022		2021
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows for operating leases	$	1,676	$	1,586
Financing cash flows for financing leases	$	—	$	10

Payments on property operating leases were due as follows (in thousands):

Year Ending December 31,	June 30, 2022
2022 (1)	$	1,679
2023	3,399
2024	3,451
2025	1,797
2026	1,578
Thereafter	125,934
Total lease payments	137,838
Less: Amount representing interest	(108,426)
Lease liability	$	29,412

(1)Represents the six months ending December 31, 2022.

Leases

Leases

Lessor Arrangements

We lease real estate properties, comprised primarily of office properties and data center shells, to third parties. These leases encompass all, or a portion, of properties, with various expiration dates. Our lease revenue is comprised of: fixed lease revenue, including contractual rent billings under leases recognized on a straight-line basis over lease terms and amortization of lease incentives and above- and below- market lease intangibles; and variable lease revenue, including tenant expense recoveries, lease termination revenue and other revenue from tenants that is not fixed under leases. The table below sets forth our composition of lease revenue recognized between fixed and variable lease revenue (in thousands):

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
Lease revenue (1)	2022		2021		2022		2021
Fixed	$	112,691	$	107,823	$	223,858	$	214,758
Variable	29,586		28,631		59,808		58,986
	$	142,277	$	136,454	$	283,666	$	273,744

(1)Excludes lease revenue from discontinued operations of which: $5.6 million was fixed and $1.6 million was variable for the three months ended June 30, 2021; and $1.5 million and $11.1 million was fixed and $527,000 and $3.4 million was variable for the six months ended June 30, 2022 and 2021, respectively.

Fixed contractual payments due under our property leases were as follows (in thousands):

	As of June 30, 2022
Year Ending December 31,	Operating leases		Sales-type leases
2022 (1)	$	223,948	$	480
2023	420,071		960
2024	372,126		960
2025	285,179		960
2026	221,782		960
Thereafter	1,055,808		3,556
Total contractual payments	$	2,578,914	7,876
Less: Amount representing interest			(1,942)
Net investment in sales-type leases			$	5,934

(1)Represents the six months ending December 31, 2022.

Lessee Arrangements

As of June 30, 2022, our balance sheet included $40.3 million in right-of-use assets associated primarily with land leased from third parties underlying certain properties that we are operating with various expiration dates. Our property right-of-use assets consisted of the following (in thousands):

Leases	Balance Sheet Location	June 30, 2022		December 31, 2021
Right-of-use assets
Operating leases - Property	Property - operating right-of-use assets	$	38,056	$	38,361
Finance leases - Property	Prepaid expenses and other assets, net	2,222		2,238
Total right-of-use assets		$	40,278	$	40,599

Our property lease liabilities reported on our consolidated balance sheets consisted of the following (in thousands):

Leases	Balance Sheet Location	June 30, 2022		December 31, 2021
Lease liabilities
Operating leases - Property	Property - operating lease liabilities	$	29,412	$	29,342

As of June 30, 2022, our operating leases had a weighted average remaining lease term of 52 years and a weighted average discount rate of 7.19%. The table below presents our total property lease cost (in thousands):

	Statement of Operations Location	For the Three Months Ended June 30,				For the Six Months Ended June 30,
Lease cost		2022		2021		2022		2021
Operating lease cost
Property leases - fixed	Property operating expenses	$	1,032	$	1,013	$	2,051	$	1,986
Property leases - variable	Property operating expenses	17		10		33		20
Finance lease cost
Amortization of property right-of-use assets	Property operating expenses	8		9		16		18
		$	1,057	$	1,032	$	2,100	$	2,024

The table below presents the effect of property lease payments on our consolidated statements of cash flows (in thousands):

	For the Six Months Ended June 30,
Supplemental cash flow information	2022		2021
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows for operating leases	$	1,676	$	1,586
Financing cash flows for financing leases	$	—	$	10

Payments on property operating leases were due as follows (in thousands):

Year Ending December 31,	June 30, 2022
2022 (1)	$	1,679
2023	3,399
2024	3,451
2025	1,797
2026	1,578
Thereafter	125,934
Total lease payments	137,838
Less: Amount representing interest	(108,426)
Lease liability	$	29,412

(1)Represents the six months ending December 31, 2022.

Leases

Leases

Lessor Arrangements

We lease real estate properties, comprised primarily of office properties and data center shells, to third parties. These leases encompass all, or a portion, of properties, with various expiration dates. Our lease revenue is comprised of: fixed lease revenue, including contractual rent billings under leases recognized on a straight-line basis over lease terms and amortization of lease incentives and above- and below- market lease intangibles; and variable lease revenue, including tenant expense recoveries, lease termination revenue and other revenue from tenants that is not fixed under leases. The table below sets forth our composition of lease revenue recognized between fixed and variable lease revenue (in thousands):

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
Lease revenue (1)	2022		2021		2022		2021
Fixed	$	112,691	$	107,823	$	223,858	$	214,758
Variable	29,586		28,631		59,808		58,986
	$	142,277	$	136,454	$	283,666	$	273,744

(1)Excludes lease revenue from discontinued operations of which: $5.6 million was fixed and $1.6 million was variable for the three months ended June 30, 2021; and $1.5 million and $11.1 million was fixed and $527,000 and $3.4 million was variable for the six months ended June 30, 2022 and 2021, respectively.

Fixed contractual payments due under our property leases were as follows (in thousands):

	As of June 30, 2022
Year Ending December 31,	Operating leases		Sales-type leases
2022 (1)	$	223,948	$	480
2023	420,071		960
2024	372,126		960
2025	285,179		960
2026	221,782		960
Thereafter	1,055,808		3,556
Total contractual payments	$	2,578,914	7,876
Less: Amount representing interest			(1,942)
Net investment in sales-type leases			$	5,934

(1)Represents the six months ending December 31, 2022.

Lessee Arrangements

As of June 30, 2022, our balance sheet included $40.3 million in right-of-use assets associated primarily with land leased from third parties underlying certain properties that we are operating with various expiration dates. Our property right-of-use assets consisted of the following (in thousands):

Leases	Balance Sheet Location	June 30, 2022		December 31, 2021
Right-of-use assets
Operating leases - Property	Property - operating right-of-use assets	$	38,056	$	38,361
Finance leases - Property	Prepaid expenses and other assets, net	2,222		2,238
Total right-of-use assets		$	40,278	$	40,599

Our property lease liabilities reported on our consolidated balance sheets consisted of the following (in thousands):

Leases	Balance Sheet Location	June 30, 2022		December 31, 2021
Lease liabilities
Operating leases - Property	Property - operating lease liabilities	$	29,412	$	29,342

As of June 30, 2022, our operating leases had a weighted average remaining lease term of 52 years and a weighted average discount rate of 7.19%. The table below presents our total property lease cost (in thousands):

	Statement of Operations Location	For the Three Months Ended June 30,				For the Six Months Ended June 30,
Lease cost		2022		2021		2022		2021
Operating lease cost
Property leases - fixed	Property operating expenses	$	1,032	$	1,013	$	2,051	$	1,986
Property leases - variable	Property operating expenses	17		10		33		20
Finance lease cost
Amortization of property right-of-use assets	Property operating expenses	8		9		16		18
		$	1,057	$	1,032	$	2,100	$	2,024

The table below presents the effect of property lease payments on our consolidated statements of cash flows (in thousands):

	For the Six Months Ended June 30,
Supplemental cash flow information	2022		2021
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows for operating leases	$	1,676	$	1,586
Financing cash flows for financing leases	$	—	$	10

Payments on property operating leases were due as follows (in thousands):

Year Ending December 31,	June 30, 2022
2022 (1)	$	1,679
2023	3,399
2024	3,451
2025	1,797
2026	1,578
Thereafter	125,934
Total lease payments	137,838
Less: Amount representing interest	(108,426)
Lease liability	$	29,412

(1)Represents the six months ending December 31, 2022.

Leases

Leases

Lessor Arrangements

We lease real estate properties, comprised primarily of office properties and data center shells, to third parties. These leases encompass all, or a portion, of properties, with various expiration dates. Our lease revenue is comprised of: fixed lease revenue, including contractual rent billings under leases recognized on a straight-line basis over lease terms and amortization of lease incentives and above- and below- market lease intangibles; and variable lease revenue, including tenant expense recoveries, lease termination revenue and other revenue from tenants that is not fixed under leases. The table below sets forth our composition of lease revenue recognized between fixed and variable lease revenue (in thousands):

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
Lease revenue (1)	2022		2021		2022		2021
Fixed	$	112,691	$	107,823	$	223,858	$	214,758
Variable	29,586		28,631		59,808		58,986
	$	142,277	$	136,454	$	283,666	$	273,744

(1)Excludes lease revenue from discontinued operations of which: $5.6 million was fixed and $1.6 million was variable for the three months ended June 30, 2021; and $1.5 million and $11.1 million was fixed and $527,000 and $3.4 million was variable for the six months ended June 30, 2022 and 2021, respectively.

Fixed contractual payments due under our property leases were as follows (in thousands):

	As of June 30, 2022
Year Ending December 31,	Operating leases		Sales-type leases
2022 (1)	$	223,948	$	480
2023	420,071		960
2024	372,126		960
2025	285,179		960
2026	221,782		960
Thereafter	1,055,808		3,556
Total contractual payments	$	2,578,914	7,876
Less: Amount representing interest			(1,942)
Net investment in sales-type leases			$	5,934

(1)Represents the six months ending December 31, 2022.

Lessee Arrangements

As of June 30, 2022, our balance sheet included $40.3 million in right-of-use assets associated primarily with land leased from third parties underlying certain properties that we are operating with various expiration dates. Our property right-of-use assets consisted of the following (in thousands):

Leases	Balance Sheet Location	June 30, 2022		December 31, 2021
Right-of-use assets
Operating leases - Property	Property - operating right-of-use assets	$	38,056	$	38,361
Finance leases - Property	Prepaid expenses and other assets, net	2,222		2,238
Total right-of-use assets		$	40,278	$	40,599

Our property lease liabilities reported on our consolidated balance sheets consisted of the following (in thousands):

Leases	Balance Sheet Location	June 30, 2022		December 31, 2021
Lease liabilities
Operating leases - Property	Property - operating lease liabilities	$	29,412	$	29,342

As of June 30, 2022, our operating leases had a weighted average remaining lease term of 52 years and a weighted average discount rate of 7.19%. The table below presents our total property lease cost (in thousands):

	Statement of Operations Location	For the Three Months Ended June 30,				For the Six Months Ended June 30,
Lease cost		2022		2021		2022		2021
Operating lease cost
Property leases - fixed	Property operating expenses	$	1,032	$	1,013	$	2,051	$	1,986
Property leases - variable	Property operating expenses	17		10		33		20
Finance lease cost
Amortization of property right-of-use assets	Property operating expenses	8		9		16		18
		$	1,057	$	1,032	$	2,100	$	2,024

The table below presents the effect of property lease payments on our consolidated statements of cash flows (in thousands):

	For the Six Months Ended June 30,
Supplemental cash flow information	2022		2021
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows for operating leases	$	1,676	$	1,586
Financing cash flows for financing leases	$	—	$	10

Payments on property operating leases were due as follows (in thousands):

Year Ending December 31,	June 30, 2022
2022 (1)	$	1,679
2023	3,399
2024	3,451
2025	1,797
2026	1,578
Thereafter	125,934
Total lease payments	137,838
Less: Amount representing interest	(108,426)
Lease liability	$	29,412

(1)Represents the six months ending December 31, 2022.

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Real Estate Joint Ventures

6 Months Ended

Jun. 30, 2022

Equity Method Investments and Joint Ventures [Abstract]

Real Estate Joint Ventures

Real Estate Joint Ventures

Consolidated Real Estate Joint Ventures

The table below sets forth information pertaining to our investments in consolidated real estate joint ventures as of June 30, 2022 (dollars in thousands):

		Nominal Ownership %		June 30, 2022 (1)
	Date Acquired			Total Assets		Encumbered Assets		Total Liabilities
Entity			Location
LW Redstone Company, LLC (2)	3/23/2010	85%	Huntsville, Alabama	$	547,429	$	88,065	$	108,738
Stevens Investors, LLC (3)	8/11/2015	95%	Washington, DC	167,443		—		904
M Square Associates, LLC	6/26/2007	50%	College Park, Maryland	102,419		60,153		51,802
				$	817,291	$	148,218	$	161,444

(1)Excludes amounts eliminated in consolidation.

(2)We fund all capital requirements. Our partner generally receives distributions of the first $1.2 million of annual operating cash flows and we receive the remainder.

(3)As of June 30, 2022, we also had a $112.0 million construction loan to the joint venture, which is eliminated in consolidation, that carries an interest rate of LIBOR plus 2.35% and had a balance of $95.3 million; the loan matures on August 11, 2024, and we have priority for repayment in full of borrowings and accrued interest on the loan over partner distributions of any future refinancing proceeds or other available cash flows.

Unconsolidated Real Estate Joint Ventures

The table below sets forth information pertaining to our investments in unconsolidated real estate joint ventures accounted for using the equity method of accounting (dollars in thousands):

	Date Acquired	Nominal Ownership %	Number of Properties	Carrying Value of Investment (1)
Entity				June 30, 2022		December 31, 2021
B RE COPT DC JV II LLC (2)	10/30/2020	10%	8	$	15,291	$	15,579
BREIT COPT DC JV LLC	6/20/2019	10%	9	11,971		12,460
B RE COPT DC JV III LLC	6/2/2021	10%	2	11,755		11,850
			19	$	39,017	$	39,889

(1)Included in the line entitled “investment in unconsolidated real estate joint ventures” on our consolidated balance sheets.

(2)Our investment in B RE COPT DC JV II LLC was lower than our share of the joint venture’s equity by $7.1 million as of June 30, 2022 and $7.2 million as of December 31, 2021 due to a difference between our cost basis and our share of the joint venture’s underlying equity in its net assets. We recognize adjustments to our share of the joint venture’s earnings and losses resulting from this basis difference in the underlying assets of the joint venture.

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Investing Receivables

6 Months Ended

Jun. 30, 2022

Receivables [Abstract]

Investing Receivables

Investing Receivables

Investing receivables consisted of the following (in thousands): 

	June 30, 2022		December 31, 2021
Notes receivable from the City of Huntsville	$	81,497	$	77,784
Other investing loans receivable	5,033		6,041
Amortized cost basis	86,530		83,825
Allowance for credit losses	(1,645)		(1,599)
Investing receivables, net	$	84,885	$	82,226

The balances above include accrued interest receivable, net of allowance for credit losses, of $2.3 million as of June 30, 2022 and $5.3 million as of December 31, 2021.

Our notes receivable from the City of Huntsville funded infrastructure costs in connection with our LW Redstone Company, LLC joint venture (see Note 6) and carry an interest rate of 9.95%. Our other investing loans receivable carry an interest rate of 8.0%.

The fair value of these receivables was approximately $88 million as of June 30, 2022 and $84 million as of December 31, 2021.

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Prepaid Expenses and Other Assets, Net

6 Months Ended

Jun. 30, 2022

Prepaid Expense and Other Assets [Abstract]

Prepaid Expenses and Other Assets, Net

Prepaid Expenses and Other Assets, Net

Prepaid expenses and other assets, net consisted of the following (in thousands): 

	June 30, 2022		December 31, 2021
Construction contract costs in excess of billings, net	$	29,223	$	22,384
Furniture, fixtures and equipment, net	9,014		9,599
Deposits	7,154		3,910
Non-real estate equity investments	6,107		5,544
Prepaid expenses	6,066		20,058
Net investment in sales-type leases	5,934		6,194
Restricted cash	4,912		4,054
Interest rate derivatives	2,468		355
Property - finance right-of-use assets	2,222		2,238
Marketable securities in deferred compensation plan	1,881		2,556
Deferred tax asset, net (1)	1,685		1,841
Deferred financing costs, net (2)	746		1,314
Other assets	1,350		1,443
Prepaid expenses and other assets, net	$	78,762	$	81,490

(1)Includes a valuation allowance of $24,000 as of June 30, 2022 and December 31, 2021.

(2)Represents deferred costs, net of accumulated amortization, attributable to our Revolving Credit Facility and interest rate derivatives.

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Debt, Net

6 Months Ended

Jun. 30, 2022

Debt Disclosure [Abstract]

Debt, Net

Debt, Net

Our debt consisted of the following (dollars in thousands):

	Carrying Value (1) as of
	June 30, 2022		December 31, 2021		June 30, 2022
					Stated Interest Rates	Scheduled Maturity
Mortgage and Other Secured Debt:
Fixed rate mortgage debt	$	85,708	$	86,960	3.82% - 4.62% (2)	2023-2026
Variable rate secured debt	33,530		33,667		LIBOR + 1.45% to 1.55% (3)	2025-2026
Total mortgage and other secured debt	119,238		120,627
Revolving Credit Facility (4)	181,000		76,000		LIBOR + 0.775% to 1.45% (5)	March 2023 (4)
Term Loan Facility (6)	99,904		299,420		LIBOR + 1.00% to 1.65% (7)	December 2022
Unsecured Senior Notes
2.25%, $400,000 aggregate principal	396,013		395,491		2.25% (8)	March 2026
2.00%, $400,000 aggregate principal	396,749		396,512		2.00% (9)	January 2029
2.75%, $600,000 aggregate principal	589,588		589,060		2.75% (10)	April 2031
2.90%, $400,000 aggregate principal	394,643		394,441		2.90% (11)	December 2033
Unsecured note payable	676		753		0% (12)	May 2026
Total debt, net	$	2,177,811	$	2,272,304

(1)The carrying values of our debt other than the Revolving Credit Facility reflect net deferred financing costs of $4.9 million as of June 30, 2022 and $5.8 million as of December 31, 2021.

(2)The weighted average interest rate on our fixed rate mortgage debt was 4.07% as of June 30, 2022.

(3)The weighted average interest rate on our variable rate secured debt was 2.58% as of June 30, 2022.

(4)The facility matures in March 2023, with the ability for us to further extend such maturity by two six-month periods at our option, provided that there is no default under the facility and we pay an extension fee of 0.075% of the total availability under the facility for each extension period. In connection with this facility, we also have the ability to borrow up to $500.0 million under new term loans from the facility’s lender group provided that there is no default under the facility and subject to the approval of the lenders.

(5)The weighted average interest rate on the Revolving Credit Facility was 2.38% as of June 30, 2022.

(6)We repaid $200.0 million of this loan during the six months ended June 30, 2022.

(7)The interest rate on this loan was 2.31% as of June 30, 2022.

(8)The carrying value of these notes reflects an unamortized discount totaling $3.2 million as of June 30, 2022 and $3.6 million as of December 31, 2021. The effective interest rate under the notes, including amortization of the issuance costs, was 2.48%.

(9)The carrying value of these notes reflects an unamortized discount totaling $2.3 million as of June 30, 2022 and $2.5 million as of December 31, 2021. The effective interest rate under the notes, including amortization of the issuance costs, was 2.09%.

(10)The carrying value of these notes reflects an unamortized discount totaling $9.0 million as of June 30, 2022 and $9.5 million as of December 31, 2021. The effective interest rate under the notes, including amortization of the issuance costs, was 2.94%.

(11)The carrying value of these notes reflects an unamortized discount totaling $4.4 million as of June 30, 2022 and $4.5 million as of December 31, 2021. The effective interest rate under the notes, including amortization of the issuance costs, was 3.01%.

(12)This note carries an interest rate that, upon assumption, was below market rates and it therefore was recorded at its fair value based on applicable effective interest rates.  The carrying value of this note reflects an unamortized discount totaling $85,000 as of June 30, 2022 and $108,000 as of December 31, 2021.

All debt is owed by the Operating Partnership. While COPT is not directly obligated by any debt, it has guaranteed COPLP’s Revolving Credit Facility, Term Loan Facility and Unsecured Senior Notes.

Certain of our debt instruments require that we comply with a number of restrictive financial covenants.  As of June 30, 2022, we were compliant with these financial covenants.

Our debt matures on the following schedule (in thousands):

Year Ending December 31,	June 30, 2022
2022 (1)	$	101,715
2023	199,953
2024	29,983
2025	23,717
2026	446,300
Thereafter	1,400,000
Total	$	2,201,668	(2)

(1)Represents the six months ending December 31, 2022.

(2)Represents scheduled principal amortization and maturities only and therefore excludes net discounts and deferred financing costs of $23.9 million.

We capitalized interest costs of $1.4 million in the three months ended June 30, 2022, $1.7 million in the three months ended June 30, 2021, $2.9 million in the six months ended June 30, 2022 and $3.5 million in the six months ended June 30, 2021.

The following table sets forth information pertaining to the fair value of our debt (in thousands): 

	June 30, 2022				December 31, 2021
	Carrying Amount		Estimated Fair Value		Carrying Amount		Estimated Fair Value
Fixed-rate debt
Unsecured Senior Notes	$	1,776,993	$	1,739,316	$	1,775,504	$	1,809,950
Other fixed-rate debt	86,384		82,707		87,713		87,339
Variable-rate debt	314,434		313,220		409,087		409,639
	$	2,177,811	$	2,135,243	$	2,272,304	$	2,306,928

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Interest Rate Derivatives

6 Months Ended

Jun. 30, 2022

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Interest Rate Derivatives

Interest Rate Derivatives

The following table sets forth the key terms and fair values of our interest rate swap derivatives (dollars in thousands):

							Fair Value at
Notional Amount			Fixed Rate	Floating Rate Index	Effective Date	Expiration Date	June 30, 2022		December 31, 2021
$	100,000		1.901%	One-Month LIBOR	9/1/2016	12/1/2022	$	269	$	(1,361)
$	100,000		1.905%	One-Month LIBOR	9/1/2016	12/1/2022	268		(1,365)
$	11,000	(1)	1.678%	One-Month LIBOR	8/1/2019	8/1/2026	495		(234)
$	22,925	(2)	0.573%	One-Month LIBOR	4/1/2020	3/26/2025	1,436		355
$	50,000	(3)	1.908%	One-Month LIBOR	9/1/2016	N/A	—		(684)
							$	2,468	$	(3,289)

(1)The notional amount of this instrument is scheduled to amortize to $10.0 million.

(2)The notional amount of this instrument is scheduled to amortize to $22.1 million.

(3)We cash settled this swap and accrued interest thereon for $625,000 on January 28, 2022.

Each of these swaps was designated as a cash flow hedge of interest rate risk except for the swap with a $50.0 million notional amount for which we discontinued hedge accounting in December 2021.

The table below sets forth the fair value of our interest rate derivatives as well as their classification on our consolidated balance sheets (in thousands):

		Fair Value at
Derivatives	Balance Sheet Location	June 30, 2022		December 31, 2021
Interest rate swaps designated as cash flow hedges	Prepaid expenses and other assets, net	$	2,468	$	355
Interest rate swaps designated as cash flow hedges	Other liabilities	$	—	$	(2,960)
Interest rate swap not designated	Other liabilities	$	—	$	(684)

The table below presents the effect of our interest rate derivatives on our consolidated statements of operations and comprehensive income (in thousands):

	Amount of Income (Loss) Recognized in AOCI on Derivatives								Amount of Loss Reclassified from AOCI into Interest Expense on Statement of Operations
Derivatives in Hedging Relationships	For the Three Months Ended June 30,				For the Six Months Ended June 30,				For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2022		2021		2022		2021		2022		2021		2022		2021
Interest rate derivatives	$	1,008	$	(240)	$	3,545	$	544	$	(754)	$	(1,203)	$	(1,757)	$	(2,378)

Based on the fair value of our derivatives as of June 30, 2022, we estimate that approximately $1.0 million of gains will be reclassified from accumulated other comprehensive income (“ AOCI”) as a decrease to interest expense over the next 12 months.

We have agreements with each of our interest rate derivative counterparties that contain provisions under which, if we default or are capable of being declared in default on defined levels of our indebtedness, we could also be declared in default on our derivative obligations. Failure to comply with the loan covenant provisions could result in our being declared in default on any derivative instrument obligations covered by the agreements. As of June 30, 2022, we were not in default with any of these provisions, and we had not posted any collateral related to these agreements.

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Redeemable Noncontrolling Interests

6 Months Ended

Jun. 30, 2022

Noncontrolling Interest [Abstract]

Redeemable Noncontrolling Interests

Redeemable Noncontrolling Interests

Our partners in two real estate joint ventures, LW Redstone Company, LLC and Stevens Investors, LLC, have the right to require us to acquire their respective interests at fair value; accordingly, we classify the fair value of our partners’ interests as redeemable noncontrolling interests in the mezzanine section of our consolidated balance sheets. The table below sets forth the activity for these redeemable noncontrolling interests (in thousands):

	For the Six Months Ended June 30,
	2022		2021
Beginning balance	$	26,898	$	25,430
Distributions to noncontrolling interests	(1,375)		(1,165)
Net income attributable to noncontrolling interests	1,306		1,153
Adjustment to arrive at fair value of interests	(77)		622
Ending balance	$	26,752	$	26,040

We determine the fair value of the interests based on unobservable inputs after considering the assumptions that market participants would make in pricing the interest. We apply a discount rate to the estimated future cash flows allocable to our partners from the properties underlying the respective joint ventures. Estimated cash flows used in such analyses are based on our plans for the properties and our views of market and economic conditions, and consider items such as current and future rental rates, occupancy projections and estimated operating and development expenditures.

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Equity

6 Months Ended

Jun. 30, 2022

Equity [Abstract]

Equity

Equity

In May 2022, we entered into an at-the-market (“ATM”) stock offering program (the “2022 ATM Program”) that replaced a similar program established in 2018 (the “2018 ATM Program”) because we replaced the registration statement under which the 2018 ATM Program was registered with a new registration statement. Under the 2022 ATM Program, we may offer and sell common shares in at-the-market stock offerings having an aggregate gross sales price of up to $300 million and may also, at our discretion, sell common shares under forward equity sales agreements. As of June 30, 2022, we had not issued any shares under the 2022 ATM Program.

We declared dividends per common share of $0.275 in the three months ended June 30, 2022 and 2021 and $0.550 in the six months ended June 30, 2022 and 2021.

See Note 16 for disclosure of COPT common share and COPLP common unit activity pertaining to our share-based compensation plans.

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Credit Losses, Financial Assets and Other Instruments

6 Months Ended

Jun. 30, 2022

Credit Loss [Abstract]

Credit Losses, Financial Assets and Other Instruments

Credit Losses, Financial Assets and Other Instruments

The table below sets forth the allowance for credit losses activity for the six months ended June 30, 2022 and 2021 (in thousands):

	Investing Receivables		Tenant Notes Receivable (1)		Other Assets (2)		Total
December 31, 2021	$	1,599	$	1,057	$	913	$	3,569
Credit loss expense (recoveries)	46		(76)		(61)		(91)
June 30, 2022	$	1,645	$	981	$	852	$	3,478
December 31, 2020	$	2,851	$	1,203	$	643	$	4,697
Credit loss (recoveries) expense	(719)		(77)		82		(714)
June 30, 2021	$	2,132	$	1,126	$	725	$	3,983

(1)Included in the line entitled “accounts receivable, net” on our consolidated balance sheets.

(2)The balance as of June 30, 2022 and December 31, 2021 included $742,000 and $218,000, respectively, in the line entitled “accounts receivable, net” and $110,000 and $695,000, respectively, in the line entitled “prepaid expenses and other assets, net” on our consolidated balance sheets. The balance as of June 30, 2021 and December 31, 2020 included $89,000 and $257,000, respectively, in the line entitled “accounts receivable, net” and $636,000 and $386,000, respectively, in the line entitled “prepaid expenses and other assets, net” on our consolidated balance sheets.

The following table presents the amortized cost basis of our investing receivables, tenant notes receivable and sales-type lease receivables by credit risk classification, by origination year as of June 30, 2022 (in thousands):

	Origination Year
	2017 and Earlier		2018		2019		2020		2021		Total
Investing receivables:
Credit risk classification:
Investment grade	$	73,478	$	—	$	—	$	1,757	$	6,262	$	81,497
Non-investment grade	—		—		5,033		—		—		5,033
Total	$	73,478	$	—	$	5,033	$	1,757	$	6,262	$	86,530
Tenant notes receivable:
Credit risk classification:
Investment grade	$	—	$	855	$	52	$	234	$	—	$	1,141
Non-investment grade	180		115		108		1,646		—		2,049
Total	$	180	$	970	$	160	$	1,880	$	—	$	3,190
Sales-type lease receivables:
Credit risk classification:
Investment grade	$	—	$	—	$	—	$	5,934	$	—	$	5,934

Our investment grade credit risk classification represents entities with investment grade credit ratings from ratings agencies (such as Standard & Poor’s Ratings Services, Moody’s Investors Service, Inc. or Fitch Ratings Ltd.), meaning that they are considered to have at least an adequate capacity to meet their financial commitments, with credit risk ranging from minimal to moderate. Our non-investment grade credit risk classification represents entities with either no credit agency credit ratings or ratings deemed to be sub-investment grade; we believe that there is significantly more credit risk associated with this classification. The credit risk classifications of our investing receivables and tenant notes receivable were last updated in June 2022.

An insignificant portion of the investing and tenant notes receivables set forth above was past due, which we define as being delinquent by more than three months from the due date.

Notes receivable on nonaccrual status as of June 30, 2022 and December 31, 2021 were not significant. We did not recognize any interest income on notes receivable on nonaccrual status during the three or six months ended June 30, 2022 and 2021.

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Information by Business Segment

6 Months Ended

Jun. 30, 2022

Segment Reporting [Abstract]

Information by Business Segment

Information by Business SegmentWe have the following reportable segments: Defense/IT Locations; Regional Office; Wholesale Data Center (the only property in which we sold on January 25, 2022); and Other. We also report on Defense/IT Locations sub-segments, which include the following: Fort George G. Meade and the Baltimore/Washington Corridor (“Fort Meade/BW Corridor”); Northern Virginia Defense/IT Locations (“NoVA Defense/IT”); Lackland Air Force Base (in San Antonio); locations serving the U.S. Navy (“Navy Support”), which included properties proximate to the Washington Navy Yard, the Naval Air Station Patuxent River in Maryland and the Naval Surface Warfare Center Dahlgren Division in Virginia; Redstone Arsenal (in Huntsville); and data center shells (properties leased to tenants to be operated as data centers in which the tenants fund the costs for the power, fiber connectivity and data center infrastructure). Our segment reporting included below reflects our retrospective reclassification of: certain activities to our Other reportable segment from our Wholesale Data Center reportable segment in the fourth quarter of 2021; and two properties to our NoVA Defense/IT sub-segment from our Regional Office segment in the first quarter of 2022.We measure the performance of our segments through the measure we define as net operating income from real estate operations (“NOI from real estate operations”), which includes: real estate revenues and property operating expenses; and the net of revenues and property operating expenses of real estate operations owned through unconsolidated real estate joint ventures (“UJVs”) that is allocable to our ownership interest (“UJV NOI allocable to COPT”). Amounts reported for segment assets represent long-lived assets associated with consolidated operating properties (including the carrying value of properties, right-of-use assets, net of related lease liabilities, intangible assets, deferred leasing costs, deferred rents receivable and lease incentives) and the carrying value of investments in UJVs owning operating properties. Amounts reported as additions to long-lived assets represent additions to existing consolidated operating properties, excluding transfers from non-operating properties, which we report separately.

The table below reports segment financial information for our reportable segments (in thousands): 

	Defense/IT Locations
	Fort Meade/BW Corridor		NoVA Defense/IT		Lackland Air Force Base		Navy Support		Redstone Arsenal		Data Center Shells		Total Defense/IT Locations		Regional Office		Wholesale Data Center		Other		Total
Three Months Ended June 30, 2022
Revenues from real estate operations	$	67,589	$	18,103	$	15,129	$	8,085	$	9,308	$	9,140	$	127,354	$	14,121	$	—	$	1,771	$	143,246
Property operating expenses	(23,499)		(6,157)		(7,520)		(3,330)		(3,631)		(1,189)		(45,326)		(7,628)		50		(1,212)		(54,116)
UJV NOI allocable to COPT	—		—		—		—		—		1,080		1,080		—		—		—		1,080
NOI from real estate operations	$	44,090	$	11,946	$	7,609	$	4,755	$	5,677	$	9,031	$	83,108	$	6,493	$	50	$	559	$	90,210
Additions to long-lived assets	$	12,341	$	2,541	$	—	$	650	$	224	$	—	$	15,756	$	3,561	$	16	$	65	$	19,398
Transfers from non-operating properties	$	768	$	918	$	521	$	(78)	$	20,037	$	5,673	$	27,839	$	30	$	—	$	—	$	27,869
Three Months Ended June 30, 2021
Revenues from real estate operations	$	64,840	$	15,626	$	13,688	$	8,445	$	8,775	$	8,070	$	119,444	$	15,970	$	7,204	$	1,805	$	144,423
Property operating expenses	(21,714)		(5,917)		(7,506)		(3,227)		(2,968)		(777)		(42,109)		(7,463)		(3,828)		(1,216)		(54,616)
UJV NOI allocable to COPT	—		—		—		—		—		973		973		—		—		—		973
NOI from real estate operations	$	43,126	$	9,709	$	6,182	$	5,218	$	5,807	$	8,266	$	78,308	$	8,507	$	3,376	$	589	$	90,780
Additions to long-lived assets	$	11,511	$	1,172	$	—	$	1,205	$	3,053	$	—	$	16,941	$	3,939	$	121	$	9	$	21,010
Transfers from non-operating properties	$	784	$	25	$	49,218	$	—	$	1,288	$	1,017	$	52,332	$	38,000	$	—	$	—	$	90,332
Six Months Ended June 30, 2022
Revenues from real estate operations	$	134,803	$	36,679	$	29,842	$	16,254	$	18,503	$	16,645	$	252,726	$	29,203	$	1,980	$	3,597	$	287,506
Property operating expenses	(49,283)		(13,026)		(14,592)		(6,801)		(7,366)		(2,199)		(93,267)		(15,558)		(975)		(2,468)		(112,268)
UJV NOI allocable to COPT	—		—		—		—		—		2,160		2,160		—		—		—		2,160
NOI from real estate operations	$	85,520	$	23,653	$	15,250	$	9,453	$	11,137	$	16,606	$	161,619	$	13,645	$	1,005	$	1,129	$	177,398
Additions to long-lived assets	$	24,126	$	4,730	$	—	$	1,390	$	459	$	—	$	30,705	$	7,894	$	(35)	$	66	$	38,630
Transfers from non-operating properties	$	6,137	$	1,237	$	939	$	6,298	$	20,113	$	86,876	$	121,600	$	301	$	—	$	—	$	121,901
Segment assets at June 30, 2022	$	1,331,828	$	488,597	$	196,723	$	172,873	$	316,008	$	435,252	$	2,941,281	$	534,257	$	—	$	3,878	$	3,479,416
Six Months Ended June 30, 2021
Revenues from real estate operations	$	131,286	$	31,811	$	26,243	$	16,843	$	17,028	$	16,857	$	240,068	$	31,673	$	14,538	$	3,308	$	289,587
Property operating expenses	(46,385)		(12,253)		(14,380)		(6,660)		(5,522)		(1,859)		(87,059)		(14,667)		(7,651)		(2,213)		(111,590)
UJV NOI allocable to COPT	—		—		—		—		—		1,890		1,890		—		—		—		1,890
NOI from real estate operations	$	84,901	$	19,558	$	11,863	$	10,183	$	11,506	$	16,888	$	154,899	$	17,006	$	6,887	$	1,095	$	179,887
Additions to long-lived assets	$	18,392	$	1,470	$	—	$	1,757	$	3,311	$	—	$	24,930	$	7,948	$	349	$	13	$	33,240
Transfers from non-operating properties	$	1,140	$	113	$	49,269	$	—	$	14,205	$	2,002	$	66,729	$	38,357	$	—	$	—	$	105,086
Segment assets at June 30, 2021	$	1,266,622	$	403,442	$	189,418	$	174,633	$	295,672	$	353,797	$	2,683,584	$	520,126	$	196,209	$	3,639	$	3,403,558

The following table reconciles our segment revenues to total revenues as reported on our consolidated statements of operations (in thousands):

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2022		2021		2022		2021
Segment revenues from real estate operations	$	143,246	$	144,423	$	287,506	$	289,587
Construction contract and other service revenues	42,557		19,988		95,757		36,546
Less: Revenues from discontinued operations (Note 4)	—		(7,204)		(1,980)		(14,538)
Total revenues	$	185,803	$	157,207	$	381,283	$	311,595

The following table reconciles our segment property operating expenses to property operating expenses as reported on our consolidated statements of operations (in thousands):

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2022		2021		2022		2021
Segment property operating expenses	$	54,116	$	54,616	$	112,268	$	111,590
Less: Property operating expenses from discontinued operations (Note 4)	—		(3,702)		(971)		(7,400)
Total property operating expenses	$	54,116	$	50,914	$	111,297	$	104,190

The following table reconciles UJV NOI allocable to COPT to equity in income of unconsolidated entities as reported on our consolidated statements of operations (in thousands):

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2022		2021		2022		2021
UJV NOI allocable to COPT	$	1,080	$	973	$	2,160	$	1,890
Less: Income from UJV allocable to COPT attributable to depreciation and amortization expense and interest expense	(760)		(711)		(1,518)		(1,404)
Add: Equity in (loss) income of unconsolidated non-real estate entities	(2)		(2)		564		(4)
Equity in income of unconsolidated entities	$	318	$	260	$	1,206	$	482

As previously discussed, we provide real estate services such as property management, development and construction services primarily for our properties but also for third parties.  The primary manner in which we evaluate the operating performance of our service activities is through a measure we define as net operating income from service operations (“NOI from service operations”), which is based on the net of revenues and expenses from these activities.  Construction contract and other service revenues and expenses consist primarily of subcontracted costs that are reimbursed to us by the customer along with a management fee. The operating margins from these activities are small relative to the revenue.  We believe NOI from service operations is a useful measure in assessing both our level of activity and our profitability in conducting such operations. The table below sets forth the computation of our NOI from service operations (in thousands):

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2022		2021		2022		2021
Construction contract and other service revenues	$	42,557	$	19,988	$	95,757	$	36,546
Construction contract and other service expenses	(41,304)		(19,082)		(92,954)		(34,875)
NOI from service operations	$	1,253	$	906	$	2,803	$	1,671

The following table reconciles our NOI from real estate operations for reportable segments and NOI from service operations to income (loss) from continuing operations as reported on our consolidated statements of operations (in thousands):

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2022		2021		2022		2021
NOI from real estate operations	$	90,210	$	90,780	$	177,398	$	179,887
NOI from service operations	1,253		906		2,803		1,671
Interest and other income	1,818		2,228		3,711		4,093
Credit loss (expense) recoveries	(225)		(193)		91		714
Gain on sales of real estate	(19)		40,233		(4)		39,743
Equity in income of unconsolidated entities	318		260		1,206		482
Income tax expense	(4)		(24)		(157)		(56)
Depreciation and other amortization associated with real estate operations	(34,812)		(34,732)		(69,076)		(69,232)
General, administrative and leasing expenses	(8,355)		(9,222)		(16,899)		(17,628)
Business development expenses and land carry costs	(701)		(1,372)		(1,484)		(2,466)
Interest expense	(14,808)		(15,942)		(29,232)		(33,461)
UJV NOI allocable to COPT included in equity in income of unconsolidated entities	(1,080)		(973)		(2,160)		(1,890)
Revenues from real estate operations from discontinued operations (Note 4)	—		(7,204)		(1,980)		(14,538)
Property operating expenses from discontinued operations (Note 4)	—		3,702		971		7,400
Loss on early extinguishment of debt	—		(25,228)		(342)		(58,394)
Income from continuing operations	$	33,595	$	43,219	$	64,846	$	36,325

The following table reconciles our segment assets to our consolidated total assets (in thousands): 

	June 30, 2022		June 30, 2021
Segment assets	$	3,479,416	$	3,403,558
Operating properties lease liabilities included in segment assets	29,412		29,927
Non-operating property assets	469,380		441,048
Other assets	206,985		177,499
Total consolidated assets	$	4,185,193	$	4,052,032

The accounting policies of the segments are the same as those used to prepare our consolidated financial statements, except that discontinued operations are not presented separately for segment purposes.  In the segment reporting presented above, we did not allocate interest expense, depreciation and amortization, gain on sales of real estate, loss on early extinguishment of debt and equity in income of unconsolidated entities not included in NOI to our real estate segments since they are not included in the measure of segment profit reviewed by management.  We also did not allocate general, administrative and leasing expenses, business development expenses and land carry costs, interest and other income, credit loss (expense) recoveries, income taxes and noncontrolling interests because these items represent general corporate or non-operating property items not attributable to segments.

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Construction Contract and Other Service Revenues

6 Months Ended

Jun. 30, 2022

Revenue from Contract with Customer [Abstract]

Construction Contract and Other Service Revenues

Construction Contract and Other Service Revenues

We disaggregate our construction contract and other service revenues by compensation arrangement and by service type as we believe it best depicts the nature, timing and uncertainty of our revenue. The table below reports construction contract and other service revenues by compensation arrangement (in thousands):

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2022		2021		2022		2021
Construction contract revenue:
Guaranteed maximum price	$	36,503	$	11,388	$	84,426	$	13,489
Firm fixed price	3,257		2,441		6,701		3,912
Cost-plus fee	2,255		5,847		3,561		18,333
Other	542		312		1,069		812
	$	42,557	$	19,988	$	95,757	$	36,546

The table below reports construction contract and other service revenues by service type (in thousands):

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2022		2021		2022		2021
Construction contract revenue:
Construction	$	41,829	$	18,828	$	94,398	$	34,584
Design	186		848		290		1,150
Other	542		312		1,069		812
	$	42,557	$	19,988	$	95,757	$	36,546

We recognized an insignificant amount of revenue in the three and six months ended June 30, 2022 and 2021 from performance obligations satisfied (or partially satisfied) in previous periods.

Accounts receivable related to our construction contract services is included in accounts receivable, net on our consolidated balance sheets. The beginning and ending balances of accounts receivable related to our construction contracts were as follows (in thousands):

	For the Six Months Ended June 30,
	2022		2021
Beginning balance	$	7,193	$	13,997
Ending balance	$	4,751	$	10,003

Contract assets, which we refer to herein as construction contract costs in excess of billings, net, are included in prepaid expenses and other assets, net on our consolidated balance sheets. The beginning and ending balances of our contract assets were as follows (in thousands):

	For the Six Months Ended June 30,
	2022		2021
Beginning balance	$	22,384	$	10,343
Ending balance	$	29,223	$	9,766

Contract liabilities are included in other liabilities on our consolidated balance sheets. Changes in contract liabilities were as follows (in thousands):

	For the Six Months Ended June 30,
	2022		2021
Beginning balance	$	2,499	$	4,610
Ending balance	$	2,363	$	2,320
Portion of beginning balance recognized in revenue during:
Three months ended June 30	$	164	$	2,070
Six months ended June 30	$	190	$	2,617

Revenue allocated to the remaining performance obligations under existing contracts as of June 30, 2022 that will be recognized as revenue in future periods was $62.4 million, of which we expect to recognize approximately $44 million in the six months ending December 31, 2022 and the remainder in 2023.

We have no deferred incremental costs incurred to obtain or fulfill our construction contracts or other service revenues as of June 30, 2022 and December 31, 2021. Credit loss expense on construction contracts receivable and unbilled construction revenue was insignificant for the three and six months ended June 30, 2022 and 2021.

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Share-Based Compensation

6 Months Ended

Jun. 30, 2022

Share-Based Payment Arrangement [Abstract]

Share-Based Compensation

Share-Based Compensation

Restricted Shares

During the six months ended June 30, 2022, certain employees and non-employee members of our Board of Trustees (“Trustees”) were granted a total of 165,284 restricted common shares with an aggregate grant date fair value of $4.4 million (weighted average of $26.52 per share). Restricted shares granted to employees vest based on increments and over periods of time set forth under the terms of the respective awards provided that the employee remains employed by us. Restricted shares granted to non-employee Trustees vest on the first anniversary of the grant date, provided that the Trustee remains in his or her position. During the six months ended June 30, 2022, forfeiture restrictions lapsed on 141,185 previously issued common shares; these shares had a weighted average grant date fair value of $26.28 per share, and the aggregate intrinsic value of the shares on the vesting dates was $3.7 million.

Profit Interest Units in COPLP (“PIUs”)

We granted two forms of PIUs: time-based PIUs (“TB-PIUs”); and performance-based PIUs (“PB-PIUs”). TB-PIUs are subject to forfeiture restrictions until the end of the requisite service period, at which time the TB-PIUs automatically convert into vested PIUs. PB-PIUs are subject to a market condition in that the number of earned awards are determined at the end of the performance period (as described further below) and then settled in vested PIUs. Vested PIUs carry substantially the same rights to redemption and distributions as non-PIU common units.

TB-PIUs

During the six months ended June 30, 2022, we granted 101,966 TB-PIUs with an aggregate grant date fair value of $2.7 million (weighted average of $26.39 per TB-PIU) to senior management team members and certain non-employee Trustees. TB-PIUs granted to senior management team members vest based on increments and over periods of time set forth under the terms of the respective awards provided that the employee remains employed by us. TB-PIUs granted to non-employee Trustees vest on the first anniversary of the grant date, provided that the Trustee remains in his or her position. Prior to vesting, TB-PIUs carry substantially the same rights to distributions as non-PIU common units but carry no redemption rights. During the six months ended June 30, 2022, forfeiture restrictions lapsed on 73,056 previously issued TB-PIUs; these TB-PIUs had a weighted average grant date fair value of $26.01 per unit, and the aggregate intrinsic value of the TB-PIUs on the vesting date was $1.9 million.

PB-PIUs

On January 1, 2022, we granted certain senior management team members 231,838 PB-PIUs with a three-year performance period concluding on the earlier of December 31, 2024 or the date of: (1) termination by us without cause, death or disability of the employee or constructive discharge of the employee (collectively, “qualified termination”); or (2) a sale event.  The number of earned awards at the end of the performance period will be determined based on the percentile rank of COPT’s total shareholder return (“TSR”) relative to a peer group of companies, as set forth in the following schedule:

Percentile Rank	Earned PB-PIUs Payout %
75th or greater	100% of PB-PIUs granted
50th (target)	50% of PB-PIUs granted
25th	25% of PB-PIUs granted
Below 25th	0% of PB-PIUs granted

If the percentile rank exceeds the 25th percentile and is between two of the percentile ranks set forth in the table above, then the percentage of the earned awards will be interpolated between the ranges set forth in the table above to reflect any performance between the listed percentiles.  If COPT’s TSR during the measurement period is negative, the maximum number of earned awards will be limited to the target level payout percentage.  During the performance period, PB-PIUs carry rights to distributions equal to 10% of the distribution rights of non-PIU common units but carry no redemption rights.

At the end of the performance period, we will settle the award by issuing vested PIUs equal to: the number of earned awards; and the excess, if any, of (1) the aggregate distributions that would have been paid with respect to vested PIUs issued in settlement of the earned awards through the date of settlement had such vested PIUs been issued on the grant date over (2) the aggregate distributions made on the PB-PIUs during the performance period, divided by the price of our common shares on the

settlement date. If a performance period ends due to a sale event or qualified termination, the number of earned awards is prorated based on the portion of the three-year performance period that has elapsed.  If employment is terminated by the employee or by us for cause, all PB-PIUs are forfeited.

These PB-PIU grants had an aggregate grant date fair value of $3.8 million ($32.87 per target-level award associated with the grants) which is being recognized over the performance period. The grant date fair value was computed using a Monte Carlo model that included the following assumptions: baseline common share value of $27.97; expected volatility for common shares of 31.7%; and a risk-free interest rate of 0.98%.  

Based on COPT’s TSR relative to its peer group of companies, for the 2019 PB-PIUs issued to executives that vested on December 31, 2021, we issued 156,104 PIUs in settlement of the PB-PIUs on February 1, 2022.

Deferred Share Awards

During the six months ended June 30, 2022, a non-employee Trustee was granted 3,941 deferred share awards with an aggregate grant date fair value of $100,000 ($25.41 per share). Deferred share awards vest on the first anniversary of the grant date, provided that the Trustee remains in his or her position. We settle deferred share awards by issuing an equivalent number of common shares upon vesting of the awards or a later date elected by the Trustee (generally upon cessation of being a Trustee).

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Earnings Per Share ("EPS")

6 Months Ended

Jun. 30, 2022

Earnings Per Share [Abstract]

Earnings Per Share (“EPS”)

Earnings Per Share (“EPS”)

We present both basic and diluted EPS.  We compute basic EPS by dividing net income available to common shareholders allocable to unrestricted common shares under the two-class method by the weighted average number of unrestricted common shares outstanding during the period.  Our computation of diluted EPS is similar except that:

•the denominator is increased to include: (1) the weighted average number of potential additional common shares that would have been outstanding if securities that are convertible into common shares were converted; and (2) the effect of dilutive potential common shares outstanding during the period attributable to redeemable noncontrolling interests and share-based compensation awards using the if-converted or treasury stock methods; and

•the numerator is adjusted to add back any changes in income or loss that would result from the assumed conversion into common shares that we add to the denominator.

Summaries of the numerator and denominator for purposes of basic and diluted EPS calculations are set forth below (in thousands, except per share data):

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2022		2021		2022		2021
Numerator:
Income from continuing operations	$	33,595	$	43,219	$	64,846	$	36,325
Income from continuing operations attributable to noncontrolling interests	(1,285)		(1,488)		(2,369)		(2,068)
Income from continuing operations attributable to share-based compensation awards for basic EPS	(92)		(134)		(204)		(247)
Numerator for basic EPS from continuing operations attributable to COPT common shareholders	32,218		41,597		62,273		34,010
Redeemable noncontrolling interests	(30)		(20)		(69)		7
Adjustment to income from continuing operations attributable to share-based compensation awards for diluted EPS	17		11		35		9
Numerator for diluted EPS from continuing operations attributable to COPT common shareholders	32,205		41,588		62,239		34,026
Discontinued operations	—		679		29,573		1,494
Discontinued operations attributable to noncontrolling interests	—		(9)		(421)		(19)
Income from discontinued operations attributable to share-based compensation awards for diluted EPS	—		(2)		(90)		3
Numerator for diluted EPS on net income attributable to COPT common shareholders	$	32,205	$	42,256	$	91,301	$	35,504
Denominator (all weighted averages):
Denominator for basic EPS (common shares)	112,082		111,974		112,052		111,931
Dilutive effect of redeemable noncontrolling interests	126		133		129		125
Dilutive effect of share-based compensation awards	429		297		427		280
Denominator for diluted EPS (common shares)	112,637		112,404		112,608		112,336
Basic EPS:
Income from continuing operations attributable to COPT common shareholders	$	0.29	$	0.37	$	0.55	$	0.30
Discontinued operations attributable to COPT common shareholders	—		0.01		0.26		0.02
Net income attributable to COPT common shareholders	$	0.29	$	0.38	$	0.81	$	0.32
Diluted EPS:
Income from continuing operations attributable to COPT common shareholders	$	0.29	$	0.37	$	0.55	$	0.30
Discontinued operations attributable to COPT common shareholders	—		0.01		0.26		0.02
Net income attributable to COPT common shareholders	$	0.29	$	0.38	$	0.81	$	0.32

Our diluted EPS computations do not include the effects of the following securities since the conversions of such securities would increase diluted EPS for the respective periods (in thousands):

	Weighted Average Shares Excluded from Denominator
	For the Three Months Ended June 30,		For the Six Months Ended June 30,
	2022	2021	2022	2021
Conversion of common units	1,476	1,262	1,430	1,254
Conversion of redeemable noncontrolling interests	863	776	835	799

The following securities were also excluded from the computation of diluted EPS because their effect was antidilutive:

•weighted average restricted shares and deferred share awards for the three months ended June 30, 2022 and 2021 of 404,000 and 420,000, respectively, and for the six months ended June 30, 2022 and 2021 of 401,000 and 419,000, respectively;

•weighted average TB-PIUs for the three months ended June 30, 2022 and 2021 of 191,000 and 166,000, respectively, and for the six months ended June 30, 2022 and 2021 of 182,000 and 148,000, respectively; and

•weighted average PB-PIUs for the three and six months ended June 30, 2021 of 228,000.

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Commitments and Contingencies

6 Months Ended

Jun. 30, 2022

Commitments and Contingencies Disclosure [Abstract]

Commitments and Contingencies

Commitments and Contingencies

Litigation and Claims

In the normal course of business, we are subject to legal actions and other claims.  We record losses for specific legal proceedings and claims when we determine that a loss is probable and the amount of loss can be reasonably estimated.  As of June 30, 2022, management believes that it is reasonably possible that we could recognize a loss of up to $3.8 million for certain municipal tax claims; while we do not believe this loss would materially affect our financial position or liquidity, it could be material to our results of operations. Management believes that it is also reasonably possible that we could incur losses pursuant to other claims but do not believe such losses would materially affect our financial position, liquidity or results of operations. Our assessment of the potential outcomes of these matters involves significant judgment and is subject to change based on future developments.

Environmental

We are subject to various Federal, state and local environmental regulations related to our property ownership and operation.  We have performed environmental assessments of our properties, the results of which have not revealed any environmental liability that we believe would have a materially adverse effect on our financial position, operations or liquidity.

In connection with a lease and subsequent sale in 2008 and 2010 of three properties in Dayton, New Jersey, we agreed to provide certain environmental indemnifications limited to $19 million in the aggregate. We have insurance coverage in place to mitigate much of any potential future losses that may result from these indemnification agreements.

Tax Incremental Financing Obligation

Anne Arundel County, Maryland issued tax incremental financing bonds to third-party investors in order to finance public improvements needed in connection with our project known as the National Business Park.  These bonds had a remaining principal balance of approximately $31 million as of June 30, 2022. The real estate taxes on increases in assessed values post-bond issuance of properties in development districts encompassing the National Business Park are transferred to a special fund pledged to the repayment of the bonds. While we are obligated to fund, through a special tax, any future shortfalls between debt service of the bonds and real estate taxes available to repay the bonds, as of June 30, 2022, we do not expect any such future fundings will be required.

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Summary of Significant Accounting Policies (Policies)

6 Months Ended

Jun. 30, 2022

Accounting Policies [Abstract]

Basis of Presentation

Basis of Presentation

These consolidated financial statements include the accounts of COPT, the Operating Partnership, their subsidiaries and other entities in which COPT has a majority voting interest and control.  We also consolidate certain entities when control of such entities can be achieved through means other than voting rights (“variable interest entities” or “VIEs”) if we are deemed to be the primary beneficiary of such entities.  We eliminate all intercompany balances and transactions in consolidation.

We use the equity method of accounting when we own an interest in an entity and can exert significant influence over but cannot control the entity’s operations. We discontinue equity method accounting if our investment in an entity (and net advances) is reduced to zero unless we have guaranteed obligations of the entity or are otherwise committed to provide further financial support for the entity.

When we own an equity investment in an entity and cannot exert significant influence over its operations, we measure the investment at fair value, with changes recognized through net income. For an investment without a readily determinable fair value, we measure the investment at cost, less any impairments, plus or minus changes resulting from observable price changes for an identical or similar investment of the same issuer.

These interim financial statements should be read together with the consolidated financial statements and notes thereto as of and for the year ended December 31, 2021 included in our 2021 Annual Report on Form 10-K.  The unaudited consolidated financial statements include all adjustments that are necessary, in the opinion of management, to fairly state our financial position and results of operations.  All adjustments are of a normal recurring nature.  The consolidated financial statements have been prepared using the accounting policies described in our 2021 Annual Report on Form 10-K as updated for our adoption of recent accounting pronouncements discussed below.

Reclassifications

Reclassifications

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.

Recent Accounting Pronouncements

Recent Accounting Pronouncements

In March 2020, the Financial Accounting Standards Board issued guidance containing practical expedients for reference rate reform related activities pertaining to debt, leases, derivatives and other contracts. The guidance is optional and may be elected over time as reference rate reform activities occur. In 2020, we elected to apply an expedient to treat any changes in loans resulting from reference rate reform as debt modifications (as opposed to extinguishments) and hedge accounting expedients related to probability and the assessments of effectiveness for future LIBOR-indexed cash flows to assume that the index upon which future hedged transactions will be based matches the index on the corresponding derivatives. Application of the hedge accounting expedients preserves the presentation of derivatives consistent with past presentation. We will continue to evaluate the impact of this guidance and may apply other elections as applicable as additional changes in the market occur.

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Fair Value Measurements (Tables)

6 Months Ended

Jun. 30, 2022

Fair Value Disclosures [Abstract]

Schedule of fair value assets and liabilities measured on recurring basis

The table below sets forth our financial assets and liabilities accounted for at fair value on a recurring basis as of June 30, 2022 and the hierarchy level of inputs used in measuring their respective fair values under applicable accounting standards (in thousands):

Description	Quoted Prices in Active Markets for Identical Assets (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable  Inputs (Level 3)		Total
Assets:
Marketable securities in deferred compensation plan (1)
Mutual funds	$	1,824	$	—	$	—	$	1,824
Other	57		—		—		57
Other marketable securities (1)	32		—		—		32
Interest rate derivatives (1)	—		2,468		—		2,468
Total assets	$	1,913	$	2,468	$	—	$	4,381
Liabilities:
Deferred compensation plan liability (2)	$	—	$	1,881	$	—	$	1,881

(1)Included in the line entitled “prepaid expenses and other assets, net” on our consolidated balance sheet.

(2)Included in the line entitled “other liabilities” on our consolidated balance sheet.

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Properties, Net (Tables)

6 Months Ended

Jun. 30, 2022

Real Estate [Abstract]

Schedule of operating properties, net

Operating properties, net consisted of the following (in thousands): 

	June 30, 2022		December 31, 2021
Land	$	584,878	$	572,900
Buildings and improvements	3,809,623		3,670,133
Less: Accumulated depreciation	(1,213,711)		(1,152,523)
Operating properties, net	$	3,180,790	$	3,090,510

Disposal Groups, Including Discontinued Operations

The table below sets forth the components of the property’s assets classified as held for sale on our consolidated balance sheet as of December 31, 2021 (in thousands):

Properties, net	$	191,857
Deferred rent receivable	462
Intangible assets on property acquisitions, net	73
Deferred leasing costs, net	307
Assets held for sale, net	$	192,699

The table below sets forth the property’s results of operations included in discontinued operations on our consolidated statements of operations and its operating and investing cash flows included on our consolidated statements of cash flows (in thousands):

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2022		2021		2022		2021
	(in thousands)
Revenues from real estate operations	$	—	$	7,204	$	1,980	$	14,538
Property operating expenses	—		(3,702)		(971)		(7,400)
Depreciation and amortization associated with real estate operations	—		(2,823)		—		(5,644)
Gain on sale of real estate	—		—		28,564		—
Discontinued operations	$	—	$	679	$	29,573	$	1,494
Cash flows from operating activities					$	5,497	$	8,938
Cash flows from investing activities					$	220,549	$	(577)

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Leases (Tables)

6 Months Ended

Jun. 30, 2022

Leases [Abstract]

Operating Lease Revenue Recognized

The table below sets forth our composition of lease revenue recognized between fixed and variable lease revenue (in thousands):

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
Lease revenue (1)	2022		2021		2022		2021
Fixed	$	112,691	$	107,823	$	223,858	$	214,758
Variable	29,586		28,631		59,808		58,986
	$	142,277	$	136,454	$	283,666	$	273,744

(1)Excludes lease revenue from discontinued operations of which: $5.6 million was fixed and $1.6 million was variable for the three months ended June 30, 2021; and $1.5 million and $11.1 million was fixed and $527,000 and $3.4 million was variable for the six months ended June 30, 2022 and 2021, respectively.

Sales-type Leases Fixed Contractual Payments Due

Fixed contractual payments due under our property leases were as follows (in thousands):

	As of June 30, 2022
Year Ending December 31,	Operating leases		Sales-type leases
2022 (1)	$	223,948	$	480
2023	420,071		960
2024	372,126		960
2025	285,179		960
2026	221,782		960
Thereafter	1,055,808		3,556
Total contractual payments	$	2,578,914	7,876
Less: Amount representing interest			(1,942)
Net investment in sales-type leases			$	5,934

(1)Represents the six months ending December 31, 2022.

Operating Leases Fixed Contractual Payments Due

Fixed contractual payments due under our property leases were as follows (in thousands):

	As of June 30, 2022
Year Ending December 31,	Operating leases		Sales-type leases
2022 (1)	$	223,948	$	480
2023	420,071		960
2024	372,126		960
2025	285,179		960
2026	221,782		960
Thereafter	1,055,808		3,556
Total contractual payments	$	2,578,914	7,876
Less: Amount representing interest			(1,942)
Net investment in sales-type leases			$	5,934

(1)Represents the six months ending December 31, 2022.

Right-of-Use Assets and Lease Liabilities

Our property right-of-use assets consisted of the following (in thousands):

Leases	Balance Sheet Location	June 30, 2022		December 31, 2021
Right-of-use assets
Operating leases - Property	Property - operating right-of-use assets	$	38,056	$	38,361
Finance leases - Property	Prepaid expenses and other assets, net	2,222		2,238
Total right-of-use assets		$	40,278	$	40,599

Our property lease liabilities reported on our consolidated balance sheets consisted of the following (in thousands):

Leases	Balance Sheet Location	June 30, 2022		December 31, 2021
Lease liabilities
Operating leases - Property	Property - operating lease liabilities	$	29,412	$	29,342

Lease Costs

The table below presents our total property lease cost (in thousands):

	Statement of Operations Location	For the Three Months Ended June 30,				For the Six Months Ended June 30,
Lease cost		2022		2021		2022		2021
Operating lease cost
Property leases - fixed	Property operating expenses	$	1,032	$	1,013	$	2,051	$	1,986
Property leases - variable	Property operating expenses	17		10		33		20
Finance lease cost
Amortization of property right-of-use assets	Property operating expenses	8		9		16		18
		$	1,057	$	1,032	$	2,100	$	2,024

The table below presents the effect of property lease payments on our consolidated statements of cash flows (in thousands):

	For the Six Months Ended June 30,
Supplemental cash flow information	2022		2021
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows for operating leases	$	1,676	$	1,586
Financing cash flows for financing leases	$	—	$	10

Operating Lease, Liability, Maturity

Payments on property operating leases were due as follows (in thousands):

Year Ending December 31,	June 30, 2022
2022 (1)	$	1,679
2023	3,399
2024	3,451
2025	1,797
2026	1,578
Thereafter	125,934
Total lease payments	137,838
Less: Amount representing interest	(108,426)
Lease liability	$	29,412

(1)Represents the six months ending December 31, 2022.

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Real Estate Joint Ventures (Tables)

6 Months Ended

Jun. 30, 2022

Equity Method Investments and Joint Ventures [Abstract]

Schedule of information related to investments in consolidated real estate joint ventures

The table below sets forth information pertaining to our investments in consolidated real estate joint ventures as of June 30, 2022 (dollars in thousands):

		Nominal Ownership %		June 30, 2022 (1)
	Date Acquired			Total Assets		Encumbered Assets		Total Liabilities
Entity			Location
LW Redstone Company, LLC (2)	3/23/2010	85%	Huntsville, Alabama	$	547,429	$	88,065	$	108,738
Stevens Investors, LLC (3)	8/11/2015	95%	Washington, DC	167,443		—		904
M Square Associates, LLC	6/26/2007	50%	College Park, Maryland	102,419		60,153		51,802
				$	817,291	$	148,218	$	161,444

(1)Excludes amounts eliminated in consolidation.

(2)We fund all capital requirements. Our partner generally receives distributions of the first $1.2 million of annual operating cash flows and we receive the remainder.

(3)As of June 30, 2022, we also had a $112.0 million construction loan to the joint venture, which is eliminated in consolidation, that carries an interest rate of LIBOR plus 2.35% and had a balance of $95.3 million; the loan matures on August 11, 2024, and we have priority for repayment in full of borrowings and accrued interest on the loan over partner distributions of any future refinancing proceeds or other available cash flows.

Schedule of information related to investments in unconsolidated real estate joint ventures

The table below sets forth information pertaining to our investments in unconsolidated real estate joint ventures accounted for using the equity method of accounting (dollars in thousands):

	Date Acquired	Nominal Ownership %	Number of Properties	Carrying Value of Investment (1)
Entity				June 30, 2022		December 31, 2021
B RE COPT DC JV II LLC (2)	10/30/2020	10%	8	$	15,291	$	15,579
BREIT COPT DC JV LLC	6/20/2019	10%	9	11,971		12,460
B RE COPT DC JV III LLC	6/2/2021	10%	2	11,755		11,850
			19	$	39,017	$	39,889

(1)Included in the line entitled “investment in unconsolidated real estate joint ventures” on our consolidated balance sheets.

(2)Our investment in B RE COPT DC JV II LLC was lower than our share of the joint venture’s equity by $7.1 million as of June 30, 2022 and $7.2 million as of December 31, 2021 due to a difference between our cost basis and our share of the joint venture’s underlying equity in its net assets. We recognize adjustments to our share of the joint venture’s earnings and losses resulting from this basis difference in the underlying assets of the joint venture.

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Investing Receivables (Tables)

6 Months Ended

Jun. 30, 2022

Receivables [Abstract]

Schedule of investing receivables

Investing receivables consisted of the following (in thousands): 

	June 30, 2022		December 31, 2021
Notes receivable from the City of Huntsville	$	81,497	$	77,784
Other investing loans receivable	5,033		6,041
Amortized cost basis	86,530		83,825
Allowance for credit losses	(1,645)		(1,599)
Investing receivables, net	$	84,885	$	82,226

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Prepaid Expenses and Other Assets, Net (Tables)

6 Months Ended

Jun. 30, 2022

Prepaid Expense and Other Assets [Abstract]

Schedule of prepaid expenses and other assets

Prepaid expenses and other assets, net consisted of the following (in thousands): 

	June 30, 2022		December 31, 2021
Construction contract costs in excess of billings, net	$	29,223	$	22,384
Furniture, fixtures and equipment, net	9,014		9,599
Deposits	7,154		3,910
Non-real estate equity investments	6,107		5,544
Prepaid expenses	6,066		20,058
Net investment in sales-type leases	5,934		6,194
Restricted cash	4,912		4,054
Interest rate derivatives	2,468		355
Property - finance right-of-use assets	2,222		2,238
Marketable securities in deferred compensation plan	1,881		2,556
Deferred tax asset, net (1)	1,685		1,841
Deferred financing costs, net (2)	746		1,314
Other assets	1,350		1,443
Prepaid expenses and other assets, net	$	78,762	$	81,490

(1)Includes a valuation allowance of $24,000 as of June 30, 2022 and December 31, 2021.

(2)Represents deferred costs, net of accumulated amortization, attributable to our Revolving Credit Facility and interest rate derivatives.

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Debt, Net (Tables)

6 Months Ended

Jun. 30, 2022

Debt Disclosure [Abstract]

Schedule of debt

Our debt consisted of the following (dollars in thousands):

	Carrying Value (1) as of
	June 30, 2022		December 31, 2021		June 30, 2022
					Stated Interest Rates	Scheduled Maturity
Mortgage and Other Secured Debt:
Fixed rate mortgage debt	$	85,708	$	86,960	3.82% - 4.62% (2)	2023-2026
Variable rate secured debt	33,530		33,667		LIBOR + 1.45% to 1.55% (3)	2025-2026
Total mortgage and other secured debt	119,238		120,627
Revolving Credit Facility (4)	181,000		76,000		LIBOR + 0.775% to 1.45% (5)	March 2023 (4)
Term Loan Facility (6)	99,904		299,420		LIBOR + 1.00% to 1.65% (7)	December 2022
Unsecured Senior Notes
2.25%, $400,000 aggregate principal	396,013		395,491		2.25% (8)	March 2026
2.00%, $400,000 aggregate principal	396,749		396,512		2.00% (9)	January 2029
2.75%, $600,000 aggregate principal	589,588		589,060		2.75% (10)	April 2031
2.90%, $400,000 aggregate principal	394,643		394,441		2.90% (11)	December 2033
Unsecured note payable	676		753		0% (12)	May 2026
Total debt, net	$	2,177,811	$	2,272,304

(1)The carrying values of our debt other than the Revolving Credit Facility reflect net deferred financing costs of $4.9 million as of June 30, 2022 and $5.8 million as of December 31, 2021.

(2)The weighted average interest rate on our fixed rate mortgage debt was 4.07% as of June 30, 2022.

(3)The weighted average interest rate on our variable rate secured debt was 2.58% as of June 30, 2022.

(4)The facility matures in March 2023, with the ability for us to further extend such maturity by two six-month periods at our option, provided that there is no default under the facility and we pay an extension fee of 0.075% of the total availability under the facility for each extension period. In connection with this facility, we also have the ability to borrow up to $500.0 million under new term loans from the facility’s lender group provided that there is no default under the facility and subject to the approval of the lenders.

(5)The weighted average interest rate on the Revolving Credit Facility was 2.38% as of June 30, 2022.

(6)We repaid $200.0 million of this loan during the six months ended June 30, 2022.

(7)The interest rate on this loan was 2.31% as of June 30, 2022.

(8)The carrying value of these notes reflects an unamortized discount totaling $3.2 million as of June 30, 2022 and $3.6 million as of December 31, 2021. The effective interest rate under the notes, including amortization of the issuance costs, was 2.48%.

(9)The carrying value of these notes reflects an unamortized discount totaling $2.3 million as of June 30, 2022 and $2.5 million as of December 31, 2021. The effective interest rate under the notes, including amortization of the issuance costs, was 2.09%.

(10)The carrying value of these notes reflects an unamortized discount totaling $9.0 million as of June 30, 2022 and $9.5 million as of December 31, 2021. The effective interest rate under the notes, including amortization of the issuance costs, was 2.94%.

(11)The carrying value of these notes reflects an unamortized discount totaling $4.4 million as of June 30, 2022 and $4.5 million as of December 31, 2021. The effective interest rate under the notes, including amortization of the issuance costs, was 3.01%.

(12)This note carries an interest rate that, upon assumption, was below market rates and it therefore was recorded at its fair value based on applicable effective interest rates.  The carrying value of this note reflects an unamortized discount totaling $85,000 as of June 30, 2022 and $108,000 as of December 31, 2021.

Schedule of Debt Maturities

Our debt matures on the following schedule (in thousands):

Year Ending December 31,	June 30, 2022
2022 (1)	$	101,715
2023	199,953
2024	29,983
2025	23,717
2026	446,300
Thereafter	1,400,000
Total	$	2,201,668	(2)

(1)Represents the six months ending December 31, 2022.

(2)Represents scheduled principal amortization and maturities only and therefore excludes net discounts and deferred financing costs of $23.9 million.

Schedule of the fair value of debt

The following table sets forth information pertaining to the fair value of our debt (in thousands): 

	June 30, 2022				December 31, 2021
	Carrying Amount		Estimated Fair Value		Carrying Amount		Estimated Fair Value
Fixed-rate debt
Unsecured Senior Notes	$	1,776,993	$	1,739,316	$	1,775,504	$	1,809,950
Other fixed-rate debt	86,384		82,707		87,713		87,339
Variable-rate debt	314,434		313,220		409,087		409,639
	$	2,177,811	$	2,135,243	$	2,272,304	$	2,306,928

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Interest Rate Derivatives (Tables)

6 Months Ended

Jun. 30, 2022

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of key terms and fair values of interest rate swap derivatives

The following table sets forth the key terms and fair values of our interest rate swap derivatives (dollars in thousands):

							Fair Value at
Notional Amount			Fixed Rate	Floating Rate Index	Effective Date	Expiration Date	June 30, 2022		December 31, 2021
$	100,000		1.901%	One-Month LIBOR	9/1/2016	12/1/2022	$	269	$	(1,361)
$	100,000		1.905%	One-Month LIBOR	9/1/2016	12/1/2022	268		(1,365)
$	11,000	(1)	1.678%	One-Month LIBOR	8/1/2019	8/1/2026	495		(234)
$	22,925	(2)	0.573%	One-Month LIBOR	4/1/2020	3/26/2025	1,436		355
$	50,000	(3)	1.908%	One-Month LIBOR	9/1/2016	N/A	—		(684)
							$	2,468	$	(3,289)

(1)The notional amount of this instrument is scheduled to amortize to $10.0 million.

(2)The notional amount of this instrument is scheduled to amortize to $22.1 million.

(3)We cash settled this swap and accrued interest thereon for $625,000 on January 28, 2022.

Schedule of fair value and balance sheet classification of interest rate derivatives

The table below sets forth the fair value of our interest rate derivatives as well as their classification on our consolidated balance sheets (in thousands):

		Fair Value at
Derivatives	Balance Sheet Location	June 30, 2022		December 31, 2021
Interest rate swaps designated as cash flow hedges	Prepaid expenses and other assets, net	$	2,468	$	355
Interest rate swaps designated as cash flow hedges	Other liabilities	$	—	$	(2,960)
Interest rate swap not designated	Other liabilities	$	—	$	(684)

Schedule of effect of interest rate derivatives on consolidated statements of operations and comprehensive income

The table below presents the effect of our interest rate derivatives on our consolidated statements of operations and comprehensive income (in thousands):

	Amount of Income (Loss) Recognized in AOCI on Derivatives								Amount of Loss Reclassified from AOCI into Interest Expense on Statement of Operations
Derivatives in Hedging Relationships	For the Three Months Ended June 30,				For the Six Months Ended June 30,				For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2022		2021		2022		2021		2022		2021		2022		2021
Interest rate derivatives	$	1,008	$	(240)	$	3,545	$	544	$	(754)	$	(1,203)	$	(1,757)	$	(2,378)

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Redeemable Noncontrolling Interests (Tables)

6 Months Ended

Jun. 30, 2022

Noncontrolling Interest [Abstract]

Schedule of activity for redeemable noncontrolling interest

The table below sets forth the activity for these redeemable noncontrolling interests (in thousands):

	For the Six Months Ended June 30,
	2022		2021
Beginning balance	$	26,898	$	25,430
Distributions to noncontrolling interests	(1,375)		(1,165)
Net income attributable to noncontrolling interests	1,306		1,153
Adjustment to arrive at fair value of interests	(77)		622
Ending balance	$	26,752	$	26,040

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Credit Losses, Financial Assets and Other Instruments (Tables)

6 Months Ended

Jun. 30, 2022

Credit Loss [Abstract]

Credit Losses, Financial Assets and Other Instruments, Allowance for Credit Loss

The table below sets forth the allowance for credit losses activity for the six months ended June 30, 2022 and 2021 (in thousands):

	Investing Receivables		Tenant Notes Receivable (1)		Other Assets (2)		Total
December 31, 2021	$	1,599	$	1,057	$	913	$	3,569
Credit loss expense (recoveries)	46		(76)		(61)		(91)
June 30, 2022	$	1,645	$	981	$	852	$	3,478
December 31, 2020	$	2,851	$	1,203	$	643	$	4,697
Credit loss (recoveries) expense	(719)		(77)		82		(714)
June 30, 2021	$	2,132	$	1,126	$	725	$	3,983

(1)Included in the line entitled “accounts receivable, net” on our consolidated balance sheets.

(2)The balance as of June 30, 2022 and December 31, 2021 included $742,000 and $218,000, respectively, in the line entitled “accounts receivable, net” and $110,000 and $695,000, respectively, in the line entitled “prepaid expenses and other assets, net” on our consolidated balance sheets. The balance as of June 30, 2021 and December 31, 2020 included $89,000 and $257,000, respectively, in the line entitled “accounts receivable, net” and $636,000 and $386,000, respectively, in the line entitled “prepaid expenses and other assets, net” on our consolidated balance sheets.

Financing Receivable Credit Quality Indicator

The following table presents the amortized cost basis of our investing receivables, tenant notes receivable and sales-type lease receivables by credit risk classification, by origination year as of June 30, 2022 (in thousands):

	Origination Year
	2017 and Earlier		2018		2019		2020		2021		Total
Investing receivables:
Credit risk classification:
Investment grade	$	73,478	$	—	$	—	$	1,757	$	6,262	$	81,497
Non-investment grade	—		—		5,033		—		—		5,033
Total	$	73,478	$	—	$	5,033	$	1,757	$	6,262	$	86,530
Tenant notes receivable:
Credit risk classification:
Investment grade	$	—	$	855	$	52	$	234	$	—	$	1,141
Non-investment grade	180		115		108		1,646		—		2,049
Total	$	180	$	970	$	160	$	1,880	$	—	$	3,190
Sales-type lease receivables:
Credit risk classification:
Investment grade	$	—	$	—	$	—	$	5,934	$	—	$	5,934

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Information by Business Segment (Tables)

6 Months Ended

Jun. 30, 2022

Segment Reporting [Abstract]

Schedule of segment financial information for real estate operations

The table below reports segment financial information for our reportable segments (in thousands): 

	Defense/IT Locations
	Fort Meade/BW Corridor		NoVA Defense/IT		Lackland Air Force Base		Navy Support		Redstone Arsenal		Data Center Shells		Total Defense/IT Locations		Regional Office		Wholesale Data Center		Other		Total
Three Months Ended June 30, 2022
Revenues from real estate operations	$	67,589	$	18,103	$	15,129	$	8,085	$	9,308	$	9,140	$	127,354	$	14,121	$	—	$	1,771	$	143,246
Property operating expenses	(23,499)		(6,157)		(7,520)		(3,330)		(3,631)		(1,189)		(45,326)		(7,628)		50		(1,212)		(54,116)
UJV NOI allocable to COPT	—		—		—		—		—		1,080		1,080		—		—		—		1,080
NOI from real estate operations	$	44,090	$	11,946	$	7,609	$	4,755	$	5,677	$	9,031	$	83,108	$	6,493	$	50	$	559	$	90,210
Additions to long-lived assets	$	12,341	$	2,541	$	—	$	650	$	224	$	—	$	15,756	$	3,561	$	16	$	65	$	19,398
Transfers from non-operating properties	$	768	$	918	$	521	$	(78)	$	20,037	$	5,673	$	27,839	$	30	$	—	$	—	$	27,869
Three Months Ended June 30, 2021
Revenues from real estate operations	$	64,840	$	15,626	$	13,688	$	8,445	$	8,775	$	8,070	$	119,444	$	15,970	$	7,204	$	1,805	$	144,423
Property operating expenses	(21,714)		(5,917)		(7,506)		(3,227)		(2,968)		(777)		(42,109)		(7,463)		(3,828)		(1,216)		(54,616)
UJV NOI allocable to COPT	—		—		—		—		—		973		973		—		—		—		973
NOI from real estate operations	$	43,126	$	9,709	$	6,182	$	5,218	$	5,807	$	8,266	$	78,308	$	8,507	$	3,376	$	589	$	90,780
Additions to long-lived assets	$	11,511	$	1,172	$	—	$	1,205	$	3,053	$	—	$	16,941	$	3,939	$	121	$	9	$	21,010
Transfers from non-operating properties	$	784	$	25	$	49,218	$	—	$	1,288	$	1,017	$	52,332	$	38,000	$	—	$	—	$	90,332
Six Months Ended June 30, 2022
Revenues from real estate operations	$	134,803	$	36,679	$	29,842	$	16,254	$	18,503	$	16,645	$	252,726	$	29,203	$	1,980	$	3,597	$	287,506
Property operating expenses	(49,283)		(13,026)		(14,592)		(6,801)		(7,366)		(2,199)		(93,267)		(15,558)		(975)		(2,468)		(112,268)
UJV NOI allocable to COPT	—		—		—		—		—		2,160		2,160		—		—		—		2,160
NOI from real estate operations	$	85,520	$	23,653	$	15,250	$	9,453	$	11,137	$	16,606	$	161,619	$	13,645	$	1,005	$	1,129	$	177,398
Additions to long-lived assets	$	24,126	$	4,730	$	—	$	1,390	$	459	$	—	$	30,705	$	7,894	$	(35)	$	66	$	38,630
Transfers from non-operating properties	$	6,137	$	1,237	$	939	$	6,298	$	20,113	$	86,876	$	121,600	$	301	$	—	$	—	$	121,901
Segment assets at June 30, 2022	$	1,331,828	$	488,597	$	196,723	$	172,873	$	316,008	$	435,252	$	2,941,281	$	534,257	$	—	$	3,878	$	3,479,416
Six Months Ended June 30, 2021
Revenues from real estate operations	$	131,286	$	31,811	$	26,243	$	16,843	$	17,028	$	16,857	$	240,068	$	31,673	$	14,538	$	3,308	$	289,587
Property operating expenses	(46,385)		(12,253)		(14,380)		(6,660)		(5,522)		(1,859)		(87,059)		(14,667)		(7,651)		(2,213)		(111,590)
UJV NOI allocable to COPT	—		—		—		—		—		1,890		1,890		—		—		—		1,890
NOI from real estate operations	$	84,901	$	19,558	$	11,863	$	10,183	$	11,506	$	16,888	$	154,899	$	17,006	$	6,887	$	1,095	$	179,887
Additions to long-lived assets	$	18,392	$	1,470	$	—	$	1,757	$	3,311	$	—	$	24,930	$	7,948	$	349	$	13	$	33,240
Transfers from non-operating properties	$	1,140	$	113	$	49,269	$	—	$	14,205	$	2,002	$	66,729	$	38,357	$	—	$	—	$	105,086
Segment assets at June 30, 2021	$	1,266,622	$	403,442	$	189,418	$	174,633	$	295,672	$	353,797	$	2,683,584	$	520,126	$	196,209	$	3,639	$	3,403,558

Schedule of reconciliation of segment revenues to total revenues

The following table reconciles our segment revenues to total revenues as reported on our consolidated statements of operations (in thousands):

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2022		2021		2022		2021
Segment revenues from real estate operations	$	143,246	$	144,423	$	287,506	$	289,587
Construction contract and other service revenues	42,557		19,988		95,757		36,546
Less: Revenues from discontinued operations (Note 4)	—		(7,204)		(1,980)		(14,538)
Total revenues	$	185,803	$	157,207	$	381,283	$	311,595

Schedule of reconciliation of segment property operating expenses to property operating expenses

The following table reconciles our segment property operating expenses to property operating expenses as reported on our consolidated statements of operations (in thousands):

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2022		2021		2022		2021
Segment property operating expenses	$	54,116	$	54,616	$	112,268	$	111,590
Less: Property operating expenses from discontinued operations (Note 4)	—		(3,702)		(971)		(7,400)
Total property operating expenses	$	54,116	$	50,914	$	111,297	$	104,190

Reconciliation of UJV NOI allocable to COPT to equity in income of unconsolidated entities

The following table reconciles UJV NOI allocable to COPT to equity in income of unconsolidated entities as reported on our consolidated statements of operations (in thousands):

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2022		2021		2022		2021
UJV NOI allocable to COPT	$	1,080	$	973	$	2,160	$	1,890
Less: Income from UJV allocable to COPT attributable to depreciation and amortization expense and interest expense	(760)		(711)		(1,518)		(1,404)
Add: Equity in (loss) income of unconsolidated non-real estate entities	(2)		(2)		564		(4)
Equity in income of unconsolidated entities	$	318	$	260	$	1,206	$	482

Schedule of computation of net operating income from service operations

The table below sets forth the computation of our NOI from service operations (in thousands):

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2022		2021		2022		2021
Construction contract and other service revenues	$	42,557	$	19,988	$	95,757	$	36,546
Construction contract and other service expenses	(41,304)		(19,082)		(92,954)		(34,875)
NOI from service operations	$	1,253	$	906	$	2,803	$	1,671

Schedule of reconciliation of net operating income from real estate operations and service operations to income from continuing operations

The following table reconciles our NOI from real estate operations for reportable segments and NOI from service operations to income (loss) from continuing operations as reported on our consolidated statements of operations (in thousands):

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2022		2021		2022		2021
NOI from real estate operations	$	90,210	$	90,780	$	177,398	$	179,887
NOI from service operations	1,253		906		2,803		1,671
Interest and other income	1,818		2,228		3,711		4,093
Credit loss (expense) recoveries	(225)		(193)		91		714
Gain on sales of real estate	(19)		40,233		(4)		39,743
Equity in income of unconsolidated entities	318		260		1,206		482
Income tax expense	(4)		(24)		(157)		(56)
Depreciation and other amortization associated with real estate operations	(34,812)		(34,732)		(69,076)		(69,232)
General, administrative and leasing expenses	(8,355)		(9,222)		(16,899)		(17,628)
Business development expenses and land carry costs	(701)		(1,372)		(1,484)		(2,466)
Interest expense	(14,808)		(15,942)		(29,232)		(33,461)
UJV NOI allocable to COPT included in equity in income of unconsolidated entities	(1,080)		(973)		(2,160)		(1,890)
Revenues from real estate operations from discontinued operations (Note 4)	—		(7,204)		(1,980)		(14,538)
Property operating expenses from discontinued operations (Note 4)	—		3,702		971		7,400
Loss on early extinguishment of debt	—		(25,228)		(342)		(58,394)
Income from continuing operations	$	33,595	$	43,219	$	64,846	$	36,325

Schedule of reconciliation of segment assets to total assets

The following table reconciles our segment assets to our consolidated total assets (in thousands): 

	June 30, 2022		June 30, 2021
Segment assets	$	3,479,416	$	3,403,558
Operating properties lease liabilities included in segment assets	29,412		29,927
Non-operating property assets	469,380		441,048
Other assets	206,985		177,499
Total consolidated assets	$	4,185,193	$	4,052,032

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Construction Contract and Other Service Revenues (Tables)

6 Months Ended

Jun. 30, 2022

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The table below reports construction contract and other service revenues by compensation arrangement (in thousands):

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2022		2021		2022		2021
Construction contract revenue:
Guaranteed maximum price	$	36,503	$	11,388	$	84,426	$	13,489
Firm fixed price	3,257		2,441		6,701		3,912
Cost-plus fee	2,255		5,847		3,561		18,333
Other	542		312		1,069		812
	$	42,557	$	19,988	$	95,757	$	36,546

The table below reports construction contract and other service revenues by service type (in thousands):

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2022		2021		2022		2021
Construction contract revenue:
Construction	$	41,829	$	18,828	$	94,398	$	34,584
Design	186		848		290		1,150
Other	542		312		1,069		812
	$	42,557	$	19,988	$	95,757	$	36,546

Contract with Customer, Contract Asset, Contract Liability and Receivable

The beginning and ending balances of accounts receivable related to our construction contracts were as follows (in thousands):

	For the Six Months Ended June 30,
	2022		2021
Beginning balance	$	7,193	$	13,997
Ending balance	$	4,751	$	10,003

The beginning and ending balances of our contract assets were as follows (in thousands):

	For the Six Months Ended June 30,
	2022		2021
Beginning balance	$	22,384	$	10,343
Ending balance	$	29,223	$	9,766

Changes in contract liabilities were as follows (in thousands):

	For the Six Months Ended June 30,
	2022		2021
Beginning balance	$	2,499	$	4,610
Ending balance	$	2,363	$	2,320
Portion of beginning balance recognized in revenue during:
Three months ended June 30	$	164	$	2,070
Six months ended June 30	$	190	$	2,617

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Share-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2022

Share-Based Payment Arrangement [Abstract]

Schedule of payouts for defined performance under PB-PIUs

The number of earned awards at the end of the performance period will be determined based on the percentile rank of COPT’s total shareholder return (“TSR”) relative to a peer group of companies, as set forth in the following schedule:

Percentile Rank	Earned PB-PIUs Payout %
75th or greater	100% of PB-PIUs granted
50th (target)	50% of PB-PIUs granted
25th	25% of PB-PIUs granted
Below 25th	0% of PB-PIUs granted

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Earnings Per Share ("EPS") (Tables)

6 Months Ended

Jun. 30, 2022

Earnings Per Share [Abstract]

Summary of calculation of numerator and denominator in basic and diluted earnings per share

Summaries of the numerator and denominator for purposes of basic and diluted EPS calculations are set forth below (in thousands, except per share data):

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2022		2021		2022		2021
Numerator:
Income from continuing operations	$	33,595	$	43,219	$	64,846	$	36,325
Income from continuing operations attributable to noncontrolling interests	(1,285)		(1,488)		(2,369)		(2,068)
Income from continuing operations attributable to share-based compensation awards for basic EPS	(92)		(134)		(204)		(247)
Numerator for basic EPS from continuing operations attributable to COPT common shareholders	32,218		41,597		62,273		34,010
Redeemable noncontrolling interests	(30)		(20)		(69)		7
Adjustment to income from continuing operations attributable to share-based compensation awards for diluted EPS	17		11		35		9
Numerator for diluted EPS from continuing operations attributable to COPT common shareholders	32,205		41,588		62,239		34,026
Discontinued operations	—		679		29,573		1,494
Discontinued operations attributable to noncontrolling interests	—		(9)		(421)		(19)
Income from discontinued operations attributable to share-based compensation awards for diluted EPS	—		(2)		(90)		3
Numerator for diluted EPS on net income attributable to COPT common shareholders	$	32,205	$	42,256	$	91,301	$	35,504
Denominator (all weighted averages):
Denominator for basic EPS (common shares)	112,082		111,974		112,052		111,931
Dilutive effect of redeemable noncontrolling interests	126		133		129		125
Dilutive effect of share-based compensation awards	429		297		427		280
Denominator for diluted EPS (common shares)	112,637		112,404		112,608		112,336
Basic EPS:
Income from continuing operations attributable to COPT common shareholders	$	0.29	$	0.37	$	0.55	$	0.30
Discontinued operations attributable to COPT common shareholders	—		0.01		0.26		0.02
Net income attributable to COPT common shareholders	$	0.29	$	0.38	$	0.81	$	0.32
Diluted EPS:
Income from continuing operations attributable to COPT common shareholders	$	0.29	$	0.37	$	0.55	$	0.30
Discontinued operations attributable to COPT common shareholders	—		0.01		0.26		0.02
Net income attributable to COPT common shareholders	$	0.29	$	0.38	$	0.81	$	0.32

Schedule of securities excluded from computation of diluted earnings per share

Our diluted EPS computations do not include the effects of the following securities since the conversions of such securities would increase diluted EPS for the respective periods (in thousands):

	Weighted Average Shares Excluded from Denominator
	For the Three Months Ended June 30,		For the Six Months Ended June 30,
	2022	2021	2022	2021
Conversion of common units	1,476	1,262	1,430	1,254
Conversion of redeemable noncontrolling interests	863	776	835	799

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Organization - Narrative 1 (Details) - Jun. 30, 2022 ft² in Millions	property	ft²	a
Unconsolidated Real Estate Joint Ventures
Investments in real estate
Number of real estate properties	19
Operating Properties
Investments in real estate
Number of real estate properties	188
Area of real estate property (in sqft or acres) | ft²		22.1
Operating Properties | Office Properties
Investments in real estate
Number of real estate properties	161
Area of real estate property (in sqft or acres) | ft²		17.1
Operating Properties | Single-tenant data centers
Investments in real estate
Number of real estate properties	27
Area of real estate property (in sqft or acres) | ft²		5.0
Operating Properties | Single-tenant data centers | Unconsolidated Real Estate Joint Ventures
Investments in real estate
Number of real estate properties	19
Properties under development
Investments in real estate
Number of real estate properties	12
Area of real estate property (in sqft or acres) | ft²		1.9
Properties under development | Office Properties
Investments in real estate
Number of real estate properties	9
Properties under development | Single-tenant data centers
Investments in real estate
Number of real estate properties	3
Properties under development, partially-operational
Investments in real estate
Number of real estate properties	1
Properties under development, expansions of fully operational properties
Investments in real estate
Number of real estate properties	1
Land controlled for future development
Investments in real estate
Area of real estate property (in sqft or acres)		8.4	710
Other Land
Investments in real estate
Area of real estate property (in sqft or acres) | a			43

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Organization - Narrative 2 (Details) - Corporate Office Properties, L.P.	6 Months Ended
	Jun. 30, 2022 shares
Preferred Units
Forms of ownership in Operating Partnership and ownership percentage by the entity
Limited partners' capital account, units outstanding (in units)	0
COPT | Common Units
Forms of ownership in Operating Partnership and ownership percentage by the entity
Percentage ownership in operating partnership	98.00%

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Fair Value Measurements - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Jun. 30, 2022	Dec. 31, 2021
Assets and liabilities measured at fair value on a recurring basis
Marketable securities in deferred compensation plan		$ 1,881	$ 2,556
Fair value measurement on a recurring basis | Deferred compensation plan | Trustees and Management
Assets and liabilities measured at fair value on a recurring basis
Maximum percentage of participants' compensation which is deferrable	100.00%
Marketable securities in deferred compensation plan		$ 1,900

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Fair Value Measurements - Assets and Liabilities, Measured on Recurring Basis (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Assets:
Marketable securities in deferred compensation plan	$ 1,881	$ 2,556
Fair value measurement on a recurring basis
Assets:
Other marketable securities	32
Interest rate derivatives	2,468
Total assets	4,381
Liabilities:
Deferred compensation plan liability	1,881
Fair value measurement on a recurring basis | Mutual funds
Assets:
Marketable securities in deferred compensation plan	1,824
Fair value measurement on a recurring basis | Other
Assets:
Marketable securities in deferred compensation plan	57
Fair value measurement on a recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1)
Assets:
Other marketable securities	32
Interest rate derivatives	0
Total assets	1,913
Liabilities:
Deferred compensation plan liability	0
Fair value measurement on a recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Mutual funds
Assets:
Marketable securities in deferred compensation plan	1,824
Fair value measurement on a recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Other
Assets:
Marketable securities in deferred compensation plan	57
Fair value measurement on a recurring basis | Significant Other Observable Inputs (Level 2)
Assets:
Other marketable securities	0
Interest rate derivatives	2,468
Total assets	2,468
Liabilities:
Deferred compensation plan liability	1,881
Fair value measurement on a recurring basis | Significant Other Observable Inputs (Level 2) | Mutual funds
Assets:
Marketable securities in deferred compensation plan	0
Fair value measurement on a recurring basis | Significant Other Observable Inputs (Level 2) | Other
Assets:
Marketable securities in deferred compensation plan	0
Fair value measurement on a recurring basis | Significant Unobservable  Inputs (Level 3)
Assets:
Other marketable securities	0
Interest rate derivatives	0
Total assets	0
Liabilities:
Deferred compensation plan liability	0
Fair value measurement on a recurring basis | Significant Unobservable  Inputs (Level 3) | Mutual funds
Assets:
Marketable securities in deferred compensation plan	0
Fair value measurement on a recurring basis | Significant Unobservable  Inputs (Level 3) | Other
Assets:
Marketable securities in deferred compensation plan	$ 0

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Properties, Net (Operating properties, net) (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Construction Activities
Operating properties, net	$ 3,180,790	$ 3,090,510
Operating Properties
Construction Activities
Less: accumulated depreciation	(1,213,711)	(1,152,523)
Operating properties, net	3,180,790	3,090,510
Operating Properties | Land
Construction Activities
Gross	584,878	572,900
Operating Properties | Buildings and improvements
Construction Activities
Gross	$ 3,809,623	$ 3,670,133

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Properties, Net (Narrative) (Details) ft² in Thousands, $ in Millions	Jan. 25, 2022 USD ($)	Jun. 30, 2022 ft² property
Newly developed properties placed in service
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Square footage of real estate properties (in square feet) | ft²		363
Number of real estate properties		3
Properties under development
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Square footage of real estate properties (in square feet) | ft²		1,900
Number of real estate properties		12
Properties under development, partially-operational
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of real estate properties		1
Properties under development, expansions of fully operational properties
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of real estate properties		1
9651 Hornbaker Road | Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Transaction value | $	$ 222.5
Discontinued operation, gain on disposal | $	$ 28.6

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Properties, Net (Schedule of Assets Held for Sale) (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets held for sale, net	$ 0	$ 192,699
Discontinued Operations, Disposed of by Sale | Wholesale Data Center
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Properties, net		191,857
Deferred rent receivable		462
Intangible assets on property acquisitions, net		73
Deferred leasing costs, net		307
Assets held for sale, net		$ 192,699

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Properties, Net (Components of Discontinued Operations) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues from real estate operations	$ 0	$ 7,204	$ 1,980	$ 14,538
Property operating expenses	0	(3,702)	(971)	(7,400)
Discontinued operations	0	679	29,573	1,494
Discontinued Operations, Disposed of by Sale | Wholesale Data Center
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues from real estate operations	0	7,204	1,980	14,538
Property operating expenses	0	(3,702)	(971)	(7,400)
Depreciation and amortization associated with real estate operations	0	(2,823)	0	(5,644)
Gain on sale of real estate	0	0	28,564	0
Discontinued operations	$ 0	$ 679	29,573	1,494
Cash flows from operating activities			5,497	8,938
Cash flows from investing activities			$ 220,549	$ (577)

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Leases - Lease Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Lessor, Lease, Description [Line Items]
Lease revenue	$ 142,277	$ 136,454	$ 283,666	$ 273,744
Continuing Operations
Lessor, Lease, Description [Line Items]
Fixed	112,691	107,823	223,858	214,758
Variable	29,586	28,631	59,808	58,986
Lease revenue	$ 142,277	136,454	283,666	273,744
Discontinued Operations
Lessor, Lease, Description [Line Items]
Fixed		5,600	1,500	11,100
Variable		$ 1,600	$ 527	$ 3,400

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Leases - Payments to be Received (Details) $ in Thousands	Jun. 30, 2022 USD ($)
Operating leases
2022	$ 223,948
2023	420,071
2024	372,126
2025	285,179
2026	221,782
Thereafter	1,055,808
Total contractual payments	2,578,914
Sales-type leases
2022	480
2023	960
2024	960
2025	960
2026	960
Thereafter	3,556
Total contractual payments	7,876
Less: Amount representing interest	(1,942)
Net investment in sales-type leases	$ 5,934

XML

Leases - Lessee Arrangements (Details) $ in Millions	Jun. 30, 2022 USD ($)
Leases [Abstract]
Carrying value of lessee right-of-use asset	$ 40.3

XML

Leases - Right-of-Use Assets and Lease Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Leases [Abstract]
Operating leases - Property	$ 38,056	$ 38,361
Finance leases - Property	2,222	2,238
Total right-of-use assets	40,278	40,599
Property - operating lease liabilities	$ 29,412	$ 29,342
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Prepaid expenses and other assets, net	Prepaid expenses and other assets, net

XML

Leases - Narrative (Details)	Jun. 30, 2022
Leases [Abstract]
Operating leases, Weighted average remaining lease term	52 years
Operating lease, Weighted average discount rate	7.19%

XML

Leases - Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Lessee, Lease, Description [Line Items]
Lease costs	$ 1,057	$ 1,032	$ 2,100	$ 2,024
Property Operating Expense
Lessee, Lease, Description [Line Items]
Property leases - fixed	1,032	1,013	2,051	1,986
Property leases - variable	17	10	33	20
Finance lease cost - Amortization of property right-of-use assets	$ 8	$ 9	$ 16	$ 18

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Leases - Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Leases [Abstract]
Operating cash flows for operating leases	$ 1,676	$ 1,586
Financing cash flows for financing leases	$ 0	$ 10

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Leases - Lease Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Lessee, Operating Lease, Liability, to be Paid [Abstract]
2022	$ 1,679
2023	3,399
2024	3,451
2025	1,797
2026	1,578
Thereafter	125,934
Total lease payments	137,838
Less: Amount representing interest	(108,426)
Lease liability	$ 29,412	$ 29,342

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Real Estate Joint Ventures - Investments in Consolidated Real Estate Joint Ventures (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021
Investments in consolidated real estate joint ventures
Total Assets	$ 4,185,193	$ 4,262,452	$ 4,052,032
Total Liabilities	2,462,490	$ 2,578,479
LW Redstone Company LLC
Investments in consolidated real estate joint ventures
Preferred distributions of annual operating cash flows to partner	1,200
Variable Interest Entity, Primary Beneficiary
Investments in consolidated real estate joint ventures
Total Assets	817,291
Total Liabilities	161,444
Variable Interest Entity, Primary Beneficiary | Asset Pledged as Collateral
Investments in consolidated real estate joint ventures
Total Assets	$ 148,218
Variable Interest Entity, Primary Beneficiary | LW Redstone Company LLC
Investments in consolidated real estate joint ventures
Nominal Ownership %	85.00%
Total Assets	$ 547,429
Total Liabilities	108,738
Variable Interest Entity, Primary Beneficiary | LW Redstone Company LLC | Asset Pledged as Collateral
Investments in consolidated real estate joint ventures
Total Assets	$ 88,065
Variable Interest Entity, Primary Beneficiary | Stevens Investors, LLC
Investments in consolidated real estate joint ventures
Nominal Ownership %	95.00%
Total Assets	$ 167,443
Total Liabilities	904
Variable Interest Entity, Primary Beneficiary | Stevens Investors, LLC | Asset Pledged as Collateral
Investments in consolidated real estate joint ventures
Total Assets	$ 0
Variable Interest Entity, Primary Beneficiary | M Square Associates, LLC
Investments in consolidated real estate joint ventures
Nominal Ownership %	50.00%
Total Assets	$ 102,419
Total Liabilities	51,802
Variable Interest Entity, Primary Beneficiary | M Square Associates, LLC | Asset Pledged as Collateral
Investments in consolidated real estate joint ventures
Total Assets	$ 60,153

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Real Estate Joint Ventures - Narrative (Details) - Stevens Investors, LLC - Construction Loan $ in Millions	Jun. 30, 2022 USD ($)
Real Estate [Line Items]
Related party transaction, amount of transaction	$ 112.0
Loans and leases receivable, related parties	$ 95.3
London Interbank Offered Rate (LIBOR)
Real Estate [Line Items]
Related party transaction, rate	2.35%

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Real Estate Joint Ventures - Investments in Unconsolidated Real Estate Joint Ventures (Details) $ in Thousands	Jun. 30, 2022 USD ($) property	Dec. 31, 2021 USD ($)
Unconsolidated Real Estate Joint Ventures
Schedule of Equity Method Investments [Line Items]
Number of real estate properties | property	19
Carrying value of Investments	$ 39,017	$ 39,889
B RE COPT DC JV II LLC
Schedule of Equity Method Investments [Line Items]
Nominal Ownership %	10.00%
Number of real estate properties | property	8
Carrying value of Investments	$ 15,291	15,579
Difference between the joint venture's cost basis and the entity's share of B RE COPT’s underlying equity in the net assets acquired	$ 7,100	7,200
BREIT COPT DC JV LLC
Schedule of Equity Method Investments [Line Items]
Nominal Ownership %	10.00%
Number of real estate properties | property	9
Carrying value of Investments	$ 11,971	12,460
B RE COPT DC JV III LLC
Schedule of Equity Method Investments [Line Items]
Nominal Ownership %	10.00%
Number of real estate properties | property	2
Carrying value of Investments	$ 11,755	$ 11,850

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Investing Receivables - Investing Receivables (Details) - Investing Receivables - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021	Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Amortized cost basis	$ 86,530	$ 83,825
Allowance for credit losses	(1,645)	(1,599)	$ (2,132)	$ (2,851)
Investing receivables, net	84,885	82,226
Notes receivable from the City of Huntsville
Accounts, Notes, Loans and Financing Receivable [Line Items]
Amortized cost basis	81,497	77,784
Other investing loans receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Amortized cost basis	$ 5,033	$ 6,041

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Investing Receivables - Narrative (Details) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Investing Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Notes receivable, fair value disclosure	$ 88.0	$ 84.0
Investing Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accrued interest receivable, net of allowance for credit losses	$ 2.3	$ 5.3
Investing Receivables | Other investing loans receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest rate	8.00%
Investing Receivables | LW Redstone Company LLC | Notes receivable from the City of Huntsville
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest rate	9.95%

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Prepaid Expenses and Other Assets, Net (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021	Dec. 31, 2020
Prepaid Expense and Other Assets [Abstract]
Construction contract costs in excess of billings, net	$ 29,223	$ 22,384
Furniture, fixtures and equipment, net	9,014	9,599
Deposits	7,154	3,910
Non-real estate equity investments	6,107	5,544
Prepaid expenses	6,066	20,058
Net investment in sales-type leases	5,934	6,194
Restricted cash	4,912	4,054	$ 4,593	$ 3,664
Interest rate derivatives	2,468	355
Property - finance right-of-use assets	2,222	2,238
Marketable securities in deferred compensation plan	1,881	2,556
Deferred tax asset, net	1,685	1,841
Deferred financing costs, net	746	1,314
Other assets	1,350	1,443
Prepaid expenses and other assets, net	78,762	81,490
Deferred tax assets, valuation allowance	$ 24	$ 24

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Debt, Net - Schedule of Debt (Details)	3 Months Ended	6 Months Ended
	Jun. 30, 2022 USD ($) extension	Jun. 30, 2022 USD ($) extension	Dec. 31, 2021 USD ($)
Debt
Carrying Value	$ 2,177,811,000	$ 2,177,811,000	$ 2,272,304,000
Mortgage and other secured debt
Debt
Carrying Value	119,238,000	119,238,000	120,627,000
Loans payable
Debt
Net deferred financing costs	$ 4,900,000	$ 4,900,000	5,800,000
Line of Credit | Revolving Credit Facility
Debt
Number of extensions | extension	2	2
Extension option period (in years)		6 months
Line of credit facility, extension fee percentage		0.075%
Fixed rate mortgage debt | Mortgage and other secured debt
Debt
Carrying Value	$ 85,708,000	$ 85,708,000	86,960,000
Weighted average interest rate (as a percent)	4.07%	4.07%
Fixed rate mortgage debt | Mortgage and other secured debt | Minimum
Debt
Interest rate	3.82%	3.82%
Fixed rate mortgage debt | Mortgage and other secured debt | Maximum
Debt
Interest rate	4.62%	4.62%
Variable-rate secured debt | Mortgage and other secured debt
Debt
Carrying Value	$ 33,530,000	$ 33,530,000	33,667,000
Variable-rate secured debt | Mortgage and other secured debt | London Interbank Offered Rate (LIBOR)
Debt
Weighted average interest rate (as a percent)	2.58%	2.58%
Variable-rate secured debt | Mortgage and other secured debt | Minimum | London Interbank Offered Rate (LIBOR)
Debt
Variable rate, spread		1.45%
Variable-rate secured debt | Mortgage and other secured debt | Maximum | London Interbank Offered Rate (LIBOR)
Debt
Variable rate, spread		1.55%
Revolving Credit Facility
Debt
Carrying Value	$ 181,000,000	$ 181,000,000	76,000,000
Aggregate additional borrowing capacity available	$ 500,000,000	$ 500,000,000
Revolving Credit Facility | London Interbank Offered Rate (LIBOR)
Debt
Weighted average interest rate (as a percent)	2.38%	2.38%
Revolving Credit Facility | Minimum | London Interbank Offered Rate (LIBOR)
Debt
Variable rate, spread		0.775%
Revolving Credit Facility | Maximum | London Interbank Offered Rate (LIBOR)
Debt
Variable rate, spread		1.45%
Term Loan Facility
Debt
Carrying Value	$ 99,904,000	$ 99,904,000	299,420,000
Repayments of long-term debt	$ 200,000,000
Term Loan Facility | London Interbank Offered Rate (LIBOR)
Debt
Interest rate	2.31%	2.31%
Term Loan Facility | Minimum | London Interbank Offered Rate (LIBOR)
Debt
Variable rate, spread		1.00%
Term Loan Facility | Maximum | London Interbank Offered Rate (LIBOR)
Debt
Variable rate, spread		1.65%
2.25%, $400,000 aggregate principal | Unsecured senior notes
Debt
Interest rate	2.25%	2.25%
Debt instrument, face amount	$ 400,000,000	$ 400,000,000
Carrying Value	396,013,000	396,013,000	395,491,000
Unamortized discount included in carrying value	$ 3,200,000	$ 3,200,000	3,600,000
Effective interest rate on debt	2.48%	2.48%
2.00%, $400,000 aggregate principal | Unsecured senior notes
Debt
Interest rate	2.00%	2.00%
Debt instrument, face amount	$ 400,000,000	$ 400,000,000
Carrying Value	396,749,000	396,749,000	396,512,000
Unamortized discount included in carrying value	$ 2,300,000	$ 2,300,000	2,500,000
Effective interest rate on debt	2.09%	2.09%
2.75%, $600,000 aggregate principal | Unsecured senior notes
Debt
Interest rate	2.75%	2.75%
Debt instrument, face amount	$ 600,000,000	$ 600,000,000
Carrying Value	589,588,000	589,588,000	589,060,000
Unamortized discount included in carrying value	$ 9,000,000	$ 9,000,000	9,500,000
Effective interest rate on debt	2.94%	2.94%
2.90%, $400,000 aggregate principal | Unsecured senior notes
Debt
Interest rate	2.90%	2.90%
Debt instrument, face amount	$ 400,000,000	$ 400,000,000
Carrying Value	394,643,000	394,643,000	394,441,000
Unamortized discount included in carrying value	$ 4,400,000	$ 4,400,000	4,500,000
Effective interest rate on debt	3.01%	3.01%
Unsecured note payable
Debt
Interest rate	0.00%	0.00%
Carrying Value	$ 676,000	$ 676,000	753,000
Unamortized discount included in carrying value	$ 85,000	$ 85,000	$ 108,000

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Debt, Net (Debt Maturities) (Details) $ in Thousands	Jun. 30, 2022 USD ($)
Schedule on basis of which debt matures
2022	$ 101,715
2023	199,953
2024	29,983
2025	23,717
2026	446,300
Thereafter	1,400,000
Total	2,201,668
Net discounts and deferred financing costs	$ 23,900

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Debt, Net (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Debt Disclosure [Abstract]
Interest costs capitalized	$ 1.4	$ 1.7	$ 2.9	$ 3.5

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Debt, Net - Fair Value of Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Carrying Amount
Carrying amount and estimated fair value of debt
Long-term debt	$ 2,177,811	$ 2,272,304
Carrying Amount | Unsecured senior notes
Carrying amount and estimated fair value of debt
Long-term debt	1,776,993	1,775,504
Carrying Amount | Other fixed-rate debt
Carrying amount and estimated fair value of debt
Long-term debt	86,384	87,713
Carrying Amount | Variable-rate secured debt
Carrying amount and estimated fair value of debt
Long-term debt	314,434	409,087
Estimated Fair Value
Carrying amount and estimated fair value of debt
Long-term debt	2,135,243	2,306,928
Estimated Fair Value | Unsecured senior notes
Carrying amount and estimated fair value of debt
Long-term debt	1,739,316	1,809,950
Estimated Fair Value | Other fixed-rate debt
Carrying amount and estimated fair value of debt
Long-term debt	82,707	87,339
Estimated Fair Value | Variable-rate secured debt
Carrying amount and estimated fair value of debt
Long-term debt	$ 313,220	$ 409,639

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Interest Rate Derivatives - Key Terms and Fair Value of Interest Rate Derivative (Details) - USD ($) $ in Thousands	Jan. 28, 2022	Jun. 30, 2022	Dec. 31, 2021
Fair values of interest rate swap derivatives
Fair value of interest rate swaps		$ 2,468	$ (3,289)
Designated | Interest rate swap, effective September 1, 2016, swap one
Fair values of interest rate swap derivatives
Notional Amount		$ 100,000
Fixed Rate		1.901%
Fair value of interest rate swaps		$ 269	(1,361)
Designated | Interest rate swap, effective September 1, 2016, swap two
Fair values of interest rate swap derivatives
Notional Amount		$ 100,000
Fixed Rate		1.905%
Fair value of interest rate swaps		$ 268	(1,365)
Designated | Interest rate swap, effective August 1, 2019
Fair values of interest rate swap derivatives
Notional Amount		$ 11,000
Fixed Rate		1.678%
Fair value of interest rate swaps		$ 495	(234)
Notional amount of interest rate derivatives after scheduled amortization		10,000
Designated | Interest rate swap, effective April 1, 2020
Fair values of interest rate swap derivatives
Notional Amount		$ 22,925
Fixed Rate		0.573%
Fair value of interest rate swaps		$ 1,436	355
Notional amount of interest rate derivatives after scheduled amortization		22,100
Designated | Interest rate swap, effective September 1, 2016, swap three
Fair values of interest rate swap derivatives
Payments for hedge, investing activities	$ 625
Not Designated as Hedging Instrument | Interest rate swap, effective September 1, 2016, swap three
Fair values of interest rate swap derivatives
Notional Amount		$ 50,000
Fixed Rate		1.908%
Fair value of interest rate swaps		$ 0	$ (684)

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Interest Rate Derivatives - Narrative (Details) - USD ($) $ in Millions	Jun. 30, 2022	Dec. 31, 2021
Interest rate swap, effective September 1, 2016, swap three | Not Designated as Hedging Instrument
Fair values of interest rate swap derivatives
Notional amount of forecasted transaction not probable of occurring		$ 50.0
Interest rate swaps | Designated
Fair values of interest rate swap derivatives
Approximate amount to be reclassified from AOCL to interest expense over the next 12 months	$ 1.0

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Interest Rate Derivatives - Fair Value and Classification of Interest Rate Derivatives (Details) - Interest rate swaps - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Prepaid expenses and other assets, net
Fair value of interest rate derivatives and balance sheet classification
Interest rate swaps designated as cash flow hedges	$ 2,468	$ 355
Other liabilities
Fair value of interest rate derivatives and balance sheet classification
Interest rate swaps designated as cash flow hedges	0	(2,960)
Interest rate swap not designated	$ 0	$ (684)

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Interest Rate Derivatives - Effect of Interest Rate Derivatives on Statement of Operations and Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Effect of interest rate derivatives on consolidated statements of operations and comprehensive income
Amount of Income (Loss) Recognized in AOCI on Derivatives	$ 1,008	$ (240)	$ 3,545	$ 544
Amount of Loss Reclassified from AOCI into Interest Expense on Statement of Operations	(754)	(1,203)	(1,757)	(2,378)
Interest rate swaps
Effect of interest rate derivatives on consolidated statements of operations and comprehensive income
Amount of Income (Loss) Recognized in AOCI on Derivatives	1,008	(240)	3,545	544
Interest Expense | Interest rate swaps
Effect of interest rate derivatives on consolidated statements of operations and comprehensive income
Amount of Loss Reclassified from AOCI into Interest Expense on Statement of Operations	$ (754)	$ (1,203)	$ (1,757)	$ (2,378)

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Redeemable Noncontrolling Interests (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2022 USD ($) joint_venture	Jun. 30, 2021 USD ($)
Noncontrolling Interest [Abstract]
Number of joint ventures with redeemable noncontrolling interests | joint_venture	2
Redeemable Noncontrolling Interest [Roll Forward]
Beginning balance	$ 26,898	$ 25,430
Distributions to noncontrolling interests	(1,375)	(1,165)
Net income attributable to noncontrolling interests	1,306	1,153
Adjustment to arrive at fair value of interests	(77)	622
Ending balance	$ 26,752	$ 26,040

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Equity (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	May 31, 2022
Equity [Abstract]
At the market, offering program established, aggregate value					$ 300
Dividends declared per share (in usd per share)	$ 0.275	$ 0.275	$ 0.550	$ 0.550

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Credit Losses, Financial Assets and Other Instruments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Credit Losses, Financial Assets and Other Instruments [Roll Forward]
Beginning balance			$ 3,569	$ 4,697
Credit loss expense (recoveries)	$ 225	$ 193	(91)	(714)
Ending balance	3,478	3,983	3,478	3,983
Other Assets
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance			913	643
Credit loss expense (recoveries)			(61)	82
Ending balance	852	725	852	725
Accounts receivable, allowance for credit loss	852	725	852	725
Other Assets | Accounts Receivable, Net
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance			218	257
Ending balance	742	89	742	89
Accounts receivable, allowance for credit loss	742	89	742	89
Other Assets | Prepaid expenses and other assets, net
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance			695	386
Ending balance	110	636	110	636
Accounts receivable, allowance for credit loss	110	636	110	636
Investing Receivables
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance			1,599	2,851
Credit loss expense (recoveries)			46	(719)
Ending balance	1,645	2,132	1,645	2,132
Tenant Notes Receivables
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning balance			1,057	1,203
Credit loss expense (recoveries)			(76)	(77)
Ending balance	$ 981	$ 1,126	$ 981	$ 1,126

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Credit Losses, Financial Assets and Other Instruments (Credit Risk Classification) (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Investing Receivables
Financing Receivable, Credit Quality Indicator [Line Items]
2017 and Earlier	$ 73,478
2018	0
2019	5,033
2020	1,757
2021	6,262
Total	86,530	$ 83,825
Investing Receivables | Investment grade
Financing Receivable, Credit Quality Indicator [Line Items]
2017 and Earlier	73,478
2018	0
2019	0
2020	1,757
2021	6,262
Total	81,497
Investing Receivables | Non-investment grade
Financing Receivable, Credit Quality Indicator [Line Items]
2017 and Earlier	0
2018	0
2019	5,033
2020	0
2021	0
Total	5,033
Tenant Notes Receivables
Financing Receivable, Credit Quality Indicator [Line Items]
2017 and Earlier	180
2018	970
2019	160
2020	1,880
2021	0
Total	3,190
Tenant Notes Receivables | Investment grade
Financing Receivable, Credit Quality Indicator [Line Items]
2017 and Earlier	0
2018	855
2019	52
2020	234
2021	0
Total	1,141
Tenant Notes Receivables | Non-investment grade
Financing Receivable, Credit Quality Indicator [Line Items]
2017 and Earlier	180
2018	115
2019	108
2020	1,646
2021	0
Total	2,049
Sales-Type Lease Receivables | Investment grade
Financing Receivable, Credit Quality Indicator [Line Items]
2017 and Earlier	0
2018	0
2019	0
2020	5,934
2021	0
Total	$ 5,934

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Information by Business Segment - Narrative (Details)	Mar. 31, 2022 property
Segment Reporting [Abstract]
Number of properties changing reportable segments	2

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Information by Business Segment - Segment Financial Information for Our Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Segment financial information for real estate operations
Revenues from real estate operations	$ 185,803	$ 157,207	$ 381,283	$ 311,595
UJV NOI allocable to COPT	1,080	973	2,160	1,890
Segment assets	4,185,193	4,052,032	4,185,193	4,052,032	$ 4,262,452
Segment assets
Segment financial information for real estate operations
Segment assets	3,479,416	3,403,558	3,479,416	3,403,558
Real estate operations
Segment financial information for real estate operations
Revenues from real estate operations	143,246	144,423	287,506	289,587
Property operating expenses	(54,116)	(54,616)	(112,268)	(111,590)
UJV NOI allocable to COPT	1,080	973	2,160	1,890
NOI from real estate operations	90,210	90,780	177,398	179,887
Additions to long-lived assets	19,398	21,010	38,630	33,240
Transfers from non-operating properties	27,869	90,332	121,901	105,086
Real estate operations | Defense/IT Locations
Segment financial information for real estate operations
Revenues from real estate operations	127,354	119,444	252,726	240,068
Property operating expenses	(45,326)	(42,109)	(93,267)	(87,059)
UJV NOI allocable to COPT	1,080	973	2,160	1,890
NOI from real estate operations	83,108	78,308	161,619	154,899
Additions to long-lived assets	15,756	16,941	30,705	24,930
Transfers from non-operating properties	27,839	52,332	121,600	66,729
Real estate operations | Defense/IT Locations | Fort Meade/BW Corridor
Segment financial information for real estate operations
Revenues from real estate operations	67,589	64,840	134,803	131,286
Property operating expenses	(23,499)	(21,714)	(49,283)	(46,385)
UJV NOI allocable to COPT	0	0	0	0
NOI from real estate operations	44,090	43,126	85,520	84,901
Additions to long-lived assets	12,341	11,511	24,126	18,392
Transfers from non-operating properties	768	784	6,137	1,140
Real estate operations | Defense/IT Locations | NoVA Defense/IT
Segment financial information for real estate operations
Revenues from real estate operations	18,103	15,626	36,679	31,811
Property operating expenses	(6,157)	(5,917)	(13,026)	(12,253)
UJV NOI allocable to COPT	0	0	0	0
NOI from real estate operations	11,946	9,709	23,653	19,558
Additions to long-lived assets	2,541	1,172	4,730	1,470
Transfers from non-operating properties	918	25	1,237	113
Real estate operations | Defense/IT Locations | Lackland Air Force Base
Segment financial information for real estate operations
Revenues from real estate operations	15,129	13,688	29,842	26,243
Property operating expenses	(7,520)	(7,506)	(14,592)	(14,380)
UJV NOI allocable to COPT	0	0	0	0
NOI from real estate operations	7,609	6,182	15,250	11,863
Additions to long-lived assets	0	0	0	0
Transfers from non-operating properties	521	49,218	939	49,269
Real estate operations | Defense/IT Locations | Navy Support
Segment financial information for real estate operations
Revenues from real estate operations	8,085	8,445	16,254	16,843
Property operating expenses	(3,330)	(3,227)	(6,801)	(6,660)
UJV NOI allocable to COPT	0	0	0	0
NOI from real estate operations	4,755	5,218	9,453	10,183
Additions to long-lived assets	650	1,205	1,390	1,757
Transfers from non-operating properties	(78)	0	6,298	0
Real estate operations | Defense/IT Locations | Redstone Arsenal
Segment financial information for real estate operations
Revenues from real estate operations	9,308	8,775	18,503	17,028
Property operating expenses	(3,631)	(2,968)	(7,366)	(5,522)
UJV NOI allocable to COPT	0	0	0	0
NOI from real estate operations	5,677	5,807	11,137	11,506
Additions to long-lived assets	224	3,053	459	3,311
Transfers from non-operating properties	20,037	1,288	20,113	14,205
Real estate operations | Defense/IT Locations | Data Center Shells
Segment financial information for real estate operations
Revenues from real estate operations	9,140	8,070	16,645	16,857
Property operating expenses	(1,189)	(777)	(2,199)	(1,859)
UJV NOI allocable to COPT	1,080	973	2,160	1,890
NOI from real estate operations	9,031	8,266	16,606	16,888
Additions to long-lived assets	0	0	0	0
Transfers from non-operating properties	5,673	1,017	86,876	2,002
Real estate operations | Regional Office
Segment financial information for real estate operations
Revenues from real estate operations	14,121	15,970	29,203	31,673
Property operating expenses	(7,628)	(7,463)	(15,558)	(14,667)
UJV NOI allocable to COPT	0	0	0	0
NOI from real estate operations	6,493	8,507	13,645	17,006
Additions to long-lived assets	3,561	3,939	7,894	7,948
Transfers from non-operating properties	30	38,000	301	38,357
Real estate operations | Wholesale Data Center
Segment financial information for real estate operations
Revenues from real estate operations	0	7,204	1,980	14,538
Property operating expenses	50	(3,828)	(975)	(7,651)
UJV NOI allocable to COPT	0	0	0	0
NOI from real estate operations	50	3,376	1,005	6,887
Additions to long-lived assets	16	121	(35)	349
Transfers from non-operating properties	0	0	0	0
Real estate operations | Other
Segment financial information for real estate operations
Revenues from real estate operations	1,771	1,805	3,597	3,308
Property operating expenses	(1,212)	(1,216)	(2,468)	(2,213)
UJV NOI allocable to COPT	0	0	0	0
NOI from real estate operations	559	589	1,129	1,095
Additions to long-lived assets	65	9	66	13
Transfers from non-operating properties	0	0	0	0
Real estate operations | Segment assets
Segment financial information for real estate operations
Segment assets	3,479,416	3,403,558	3,479,416	3,403,558
Real estate operations | Segment assets | Defense/IT Locations
Segment financial information for real estate operations
Segment assets	2,941,281	2,683,584	2,941,281	2,683,584
Real estate operations | Segment assets | Defense/IT Locations | Fort Meade/BW Corridor
Segment financial information for real estate operations
Segment assets	1,331,828	1,266,622	1,331,828	1,266,622
Real estate operations | Segment assets | Defense/IT Locations | NoVA Defense/IT
Segment financial information for real estate operations
Segment assets	488,597	403,442	488,597	403,442
Real estate operations | Segment assets | Defense/IT Locations | Lackland Air Force Base
Segment financial information for real estate operations
Segment assets	196,723	189,418	196,723	189,418
Real estate operations | Segment assets | Defense/IT Locations | Navy Support
Segment financial information for real estate operations
Segment assets	172,873	174,633	172,873	174,633
Real estate operations | Segment assets | Defense/IT Locations | Redstone Arsenal
Segment financial information for real estate operations
Segment assets	316,008	295,672	316,008	295,672
Real estate operations | Segment assets | Defense/IT Locations | Data Center Shells
Segment financial information for real estate operations
Segment assets	435,252	353,797	435,252	353,797
Real estate operations | Segment assets | Regional Office
Segment financial information for real estate operations
Segment assets	534,257	520,126	534,257	520,126
Real estate operations | Segment assets | Wholesale Data Center
Segment financial information for real estate operations
Segment assets	0	196,209	0	196,209
Real estate operations | Segment assets | Other
Segment financial information for real estate operations
Segment assets	$ 3,878	$ 3,639	$ 3,878	$ 3,639

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Information by Business Segment - Reconciliation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Reconciliation of segment revenues to total revenues
Construction contract and other service revenues	$ 42,557	$ 19,988	$ 95,757	$ 36,546
Revenues from real estate operations from discontinued operations (Note 4)	0	(7,204)	(1,980)	(14,538)
Total revenues	185,803	157,207	381,283	311,595
Operating Expenses [Abstract]
Less: Property operating expenses from discontinued operations (Note 4)	0	(3,702)	(971)	(7,400)
Total property operating expenses	54,116	50,914	111,297	104,190
Reconciliation of UJV NOI allocable to COPT to Equity Income in Unconsolidated entities [Abstract]
UJV NOI allocable to COPT	1,080	973	2,160	1,890
Less: Income from UJV allocable to COPT attributable to depreciation and amortization expense and interest expense	(760)	(711)	(1,518)	(1,404)
Add: Equity in (loss) income of unconsolidated non-real estate entities	(2)	(2)	564	(4)
Equity in income of unconsolidated entities	318	260	1,206	482
Computation of net operating income from service operations
Construction contract and other service revenues	42,557	19,988	95,757	36,546
Construction contract and other service expenses	(41,304)	(19,082)	(92,954)	(34,875)
Real estate operations
Reconciliation of segment revenues to total revenues
Total revenues	143,246	144,423	287,506	289,587
Operating Expenses [Abstract]
Property operating expenses	54,116	54,616	112,268	111,590
Less: Property operating expenses from discontinued operations (Note 4)	0	(3,702)	(971)	(7,400)
Reconciliation of UJV NOI allocable to COPT to Equity Income in Unconsolidated entities [Abstract]
UJV NOI allocable to COPT	1,080	973	2,160	1,890
Service operations
Computation of net operating income from service operations
NOI from service operations	$ 1,253	$ 906	$ 2,803	$ 1,671

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Information by Business Segment - Reconciliation of NOI from Real Estate Operations and NOI from Service Operations (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Segment financial information for real estate operations
Interest and other income	$ 1,818	$ 2,228	$ 3,711	$ 4,093
Credit loss (expense) recoveries	(225)	(193)	91	714
Gain on sales of real estate	(19)	40,233	(4)	39,743
Equity in income of unconsolidated entities	318	260	1,206	482
Income tax expense	(4)	(24)	(157)	(56)
Depreciation and other amortization associated with real estate operations	(34,812)	(34,732)	(69,076)	(69,232)
General, administrative and leasing expenses	(8,355)	(9,222)	(16,899)	(17,628)
Business development expenses and land carry costs	(701)	(1,372)	(1,484)	(2,466)
Interest expense	(14,808)	(15,942)	(29,232)	(33,461)
UJV NOI allocable to COPT included in equity in income of unconsolidated entities	(1,080)	(973)	(2,160)	(1,890)
Revenues from real estate operations from discontinued operations (Note 4)	0	(7,204)	(1,980)	(14,538)
Property operating expenses from discontinued operations (Note 4)	0	3,702	971	7,400
Loss on early extinguishment of debt	0	(25,228)	(342)	(58,394)
Income from continuing operations	33,595	43,219	64,846	36,325
Real estate operations
Segment financial information for real estate operations
NOI from real estate operations	90,210	90,780	177,398	179,887
UJV NOI allocable to COPT included in equity in income of unconsolidated entities	(1,080)	(973)	(2,160)	(1,890)
Property operating expenses from discontinued operations (Note 4)	0	3,702	971	7,400
Service operations
Segment financial information for real estate operations
NOI from service operations	$ 1,253	$ 906	$ 2,803	$ 1,671

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Information by Business Segment - Reconciliation of Segment Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021
Reconciliation of segment assets to total assets
Total consolidated assets	$ 4,185,193	$ 4,262,452	$ 4,052,032
Operating properties lease liabilities included in segment assets	29,412	$ 29,342
Segment assets
Reconciliation of segment assets to total assets
Total consolidated assets	3,479,416		3,403,558
Operating properties lease liabilities included in segment assets	29,412		29,927
Non-operating property assets
Reconciliation of segment assets to total assets
Total consolidated assets	469,380		441,048
Other assets
Reconciliation of segment assets to total assets
Total consolidated assets	$ 206,985		$ 177,499

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Construction Contract and Other Service Revenues - Construction Contracts and Other Service Revenues by Compensation Arrangement and Service Type (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Disaggregation of Revenue [Line Items]
Construction contract and other service revenues	$ 42,557	$ 19,988	$ 95,757	$ 36,546
Construction
Disaggregation of Revenue [Line Items]
Construction contract and other service revenues	41,829	18,828	94,398	34,584
Design
Disaggregation of Revenue [Line Items]
Construction contract and other service revenues	186	848	290	1,150
Other
Disaggregation of Revenue [Line Items]
Construction contract and other service revenues	542	312	1,069	812
Guaranteed maximum price
Disaggregation of Revenue [Line Items]
Construction contract and other service revenues	36,503	11,388	84,426	13,489
Firm fixed price
Disaggregation of Revenue [Line Items]
Construction contract and other service revenues	3,257	2,441	6,701	3,912
Cost-plus fee
Disaggregation of Revenue [Line Items]
Construction contract and other service revenues	2,255	5,847	3,561	18,333
Other
Disaggregation of Revenue [Line Items]
Construction contract and other service revenues	$ 542	$ 312	$ 1,069	$ 812

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Construction Contract and Other Service Revenues - Rollforwards (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Change in Accounts Receivable
Beginning balance			$ 40,752
Ending balance	$ 31,554		31,554
Change in Contract with Customer, Asset
Beginning balance			22,384
Ending balance	29,223		29,223
Construction Contract Revenue
Change in Accounts Receivable
Beginning balance			7,193	$ 13,997
Ending balance	4,751	$ 10,003	4,751	10,003
Change in Contract with Customer, Asset
Beginning balance			22,384	10,343
Ending balance	29,223	9,766	29,223	9,766
Change in Contract with Customer, Liability
Beginning balance			2,499	4,610
Ending balance	2,363	2,320	2,363	2,320
Portion of beginning balance recognized in revenue during the period	$ 164	$ 2,070	$ 190	$ 2,617

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Construction Contract and Other Service Revenues - Performance Obligation Narrative (Details) - Construction Contract Revenue $ in Millions	Jun. 30, 2022 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligations	$ 62.4
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-07-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligations	$ 44.0
Revenue, remaining performance obligation, expected timing of satisfaction, period	6 months

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Construction Contract and Other Service Revenues - Narrative (Details) - USD ($)	Jun. 30, 2022	Dec. 31, 2021
Construction Contract Revenue
Disaggregation of Revenue [Line Items]
Deferred incremental costs	$ 0	$ 0

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Share-Based Compensation (Details) $ / shares in Units, $ in Thousands			6 Months Ended
	Feb. 01, 2022 shares	Jan. 01, 2022 USD ($) Percentile_Rank $ / shares shares	Jun. 30, 2022 USD ($) form $ / shares shares
Restricted shares
Share-Based Compensation
Stock awards granted (in shares or units) | shares			165,284
Aggregate grant date fair value | $			$ 4,400
Aggregate weighted average grant date fair value (in dollars per share) | $ / shares			$ 26.52
Shares vested (in shares) | shares			141,185
Weighted average fair value of shares vested (in dollars per share) | $ / shares			$ 26.28
Aggregate intrinsic value of awards upon vesting | $			$ 3,700
PIUs
Share-Based Compensation
Number of forms of profit interest units | form			2
Performance-based PIU's
Share-Based Compensation
Aggregate grant date fair value | $		$ 3,800
Potential earned PSUs payout for defined levels of performance under awards
Earned PB-PIUs payout (as a percent of PB-PIUs granted) on 75th or greater percentile rank		100.00%
Earned PB-PIUs payout (as a percent of PB-PIUs granted) on 50th percentile rank		50.00%
Earned PB-PIUs payout (as a percent of PB-PIUs granted) on 25th percentile rank		25.00%
Earned PB-PIUs granted on percentile rank below 25th (as a percent)		0.00%
The number of percentile ranks to fall between to earn interpolated PB-PIUs between such percentile ranks, conditioned on the percentile rank exceeding 25% | Percentile_Rank		2
Percent of award distribution rights		10.00%
Award performance period		3 years
Assumptions used to value stock awards
Baseline value per common share (in dollars per share) | $ / shares		$ 27.97
Expected volatility of common shares (as a percent)		31.70%
Risk-free interest rate (as a percent)		0.98%
Performance-based PIU's | Target Level
Share-Based Compensation
Aggregate weighted average grant date fair value (in dollars per share) | $ / shares		$ 32.87
Deferred Share Awards
Share-Based Compensation
Stock awards granted (in shares or units) | shares			3,941
Aggregate grant date fair value | $			$ 100
Aggregate weighted average grant date fair value (in dollars per share) | $ / shares			$ 25.41
Senior Management Team Members And Certain Non Employee Trustees | Time-based PIU's
Share-Based Compensation
Stock awards granted (in shares or units) | shares			101,966
Aggregate grant date fair value | $			$ 2,700
Aggregate weighted average grant date fair value (in dollars per share) | $ / shares			$ 26.39
Shares vested (in shares) | shares			73,056
Weighted average fair value of shares vested (in dollars per share) | $ / shares			$ 26.01
Aggregate intrinsic value of awards upon vesting | $			$ 1,900
Senior Management Team Members | Performance-based PIU's
Share-Based Compensation
Stock awards granted (in shares or units) | shares		231,838
Award vesting period		3 years
Executives | Performance-based PIU's | 2019 PB PIU
Assumptions used to value stock awards
Units issued for awards vested in period (in units) | shares	156,104

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Earnings Per Share ("EPS") (Basic and Diluted Calculation) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Numerator:
Income from continuing operations		$ 33,595	$ 43,219	$ 64,846	$ 36,325
Income from continuing operations attributable to noncontrolling interests		(1,285)	(1,488)	(2,369)	(2,068)
Income from continuing operations attributable to share-based compensation awards for basic EPS		(92)	(134)	(204)	(247)
Numerator for basic EPS from continuing operations attributable to COPT common shareholders		32,218	41,597	62,273	34,010
Redeemable noncontrolling interests		(30)	(20)	(69)	7
Adjustment to income from continuing operations attributable to share-based compensation awards for diluted EPS		17	11	35	9
Numerator for diluted EPS from continuing operations attributable to COPT common shareholders		32,205	41,588	62,239	34,026
Discontinued operations		0	679	29,573	1,494
Discontinued operations attributable to noncontrolling interests		0	(9)	(421)	(19)
Income from discontinued operations attributable to share-based compensation awards for diluted EPS		0	(2)	(90)	3
Numerator for diluted EPS on net income attributable to COPT common shareholders		$ 32,205	$ 42,256	$ 91,301	$ 35,504
Denominator (all weighted averages):
Denominator for basic EPS (common shares)		112,082	111,974	112,052	111,931
Dilutive effect of redeemable noncontrolling interests (in shares)		126	133	129	125
Dilutive effect of share-based compensation awards (in shares)		429	297	427	280
Denominator for diluted EPS (common shares)		112,637	112,404	112,608	112,336
Basic EPS:
Income from continuing operations attributable to COPT common shareholders - basic (in dollars per share)	[1]	$ 0.29	$ 0.37	$ 0.55	$ 0.30
Discontinued operations attributable to COPT common shareholders - basic (in dollars per share)	[1]	0	0.01	0.26	0.02
Net income attributable to COPT common shareholders - basic (in dollars per share)	[1]	0.29	0.38	0.81	0.32
Diluted EPS:
Income from continuing operations attributable to COPT common shareholders - diluted (in dollars per share)	[1]	0.29	0.37	0.55	0.30
Discontinued operations attributable to COPT common shareholders - diluted (in dollars per share)		0	0.01	0.26	0.02
Net income attributable to COPT common shareholders - diluted (in dollars per share)	[1]	$ 0.29	$ 0.38	$ 0.81	$ 0.32

[1] Basic and diluted earnings per common share are calculated based on amounts attributable to common shareholders of Corporate Office Properties Trust.

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Earnings Per Share ("EPS") (Details 2) - shares shares in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Conversion of common units
Antidilutive securities
Weighted average antidilutive securities excluded from computation of diluted earnings per share (in shares)	1,476	1,262	1,430	1,254
Conversion of redeemable noncontrolling interests
Antidilutive securities
Weighted average antidilutive securities excluded from computation of diluted earnings per share (in shares)	863	776	835	799
Weighted average restricted shares and deferred shares
Antidilutive securities
Weighted average antidilutive securities excluded from computation of diluted earnings per share (in shares)	404	420	401	419
Weighted average TB-PIUs
Antidilutive securities
Weighted average antidilutive securities excluded from computation of diluted earnings per share (in shares)	191	166	182	148
Weighted average PB-PIUs
Antidilutive securities
Weighted average antidilutive securities excluded from computation of diluted earnings per share (in shares)		228		228

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Commitments and Contingencies (Details) $ in Millions	Jun. 30, 2022 USD ($) property
Commitments and Contingencies
Estimate of possible loss	$ 3.8
Environmental Indemnity Agreement
Number of lease properties which were provided environmental indemnifications | property	3
Maximum environmental indemnification to the tenant against consequential damages after acquisition of property	$ 19.0
Anne Arundel County, Maryland | Tax Incremental Financing Bond
Environmental Indemnity Agreement
Maximum exposure	$ 31.0