COPT Defense Properties Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Properties, net (Details 4)

v3.2.0.727

Properties, net (Details 4) ft² in Thousands, $ in Thousands			3 Months Ended		6 Months Ended
	Apr. 15, 2015 USD ($) ft²	Mar. 19, 2015 USD ($) ft²	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)
Business Acquisition [Line Items]
Weighted average useful life					9 years
Revenues			$ 170,363	$ 139,820	$ 331,397	$ 286,487
Income from continuing operations			15,402	$ 8,077	$ 28,983	$ 12,805
Tenant relationship value
Business Acquisition [Line Items]
Weighted average useful life					9 years
2015 Acquisitions
Business Acquisition [Line Items]
Land			28,361		$ 28,361
Building and improvements			69,182		69,182
Intangible assets on real estate acquisitions			45,940		45,940
Total assets			143,483		143,483
Below-market leases			(1,093)		(1,093)
Total acquisition cost			142,390		142,390
Finite-lived intangible assets acquired					$ 45,940
Weighted average useful life					7 years
Revenues			4,000		$ 4,300
Income from continuing operations			$ 40		210
Operating property acquisition costs					1,400
2015 Acquisitions \| Tenant relationship value
Business Acquisition [Line Items]
Finite-lived intangible assets acquired					$ 20,024
Weighted average useful life					10 years
2015 Acquisitions \| In-place lease value
Business Acquisition [Line Items]
Finite-lived intangible assets acquired					$ 20,041
Weighted average useful life					5 years
2015 Acquisitions \| Above market leases
Business Acquisition [Line Items]
Finite-lived intangible assets acquired					$ 5,875
Weighted average useful life					4 years
250 W Pratt St \| Baltimore, Maryland
Business Acquisition [Line Items]
Square footage of real estate properties (in square feet) \| ft²		367
Acquired property percentage leased		96.20%
Total acquisition cost		$ 61,900
2600 Park Tower Drive \| Vienna, Virginia
Business Acquisition [Line Items]
Square footage of real estate properties (in square feet) \| ft²	237
Acquired property percentage leased	100.00%
Total acquisition cost	$ 80,500

- Definition

The percentage of acquired property that is leased at the time of acquisition, expressed as a percent.

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- Definition

Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Below-market Leases

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Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

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- Definition

Area of a real estate property.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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- Definition

Amount of assets acquired at the acquisition date.

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- Definition

Amount of facility held for productive use including, but not limited to, office, production, storage and distribution facilities, acquired at the acquisition date.

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Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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Amount of real estate acquired, at the acquisition date.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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- Definition

Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, resulting from a business combination.

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- Definition

Amount of income (loss) from continuing operations attributable to the parent. Also defined as revenue less expenses and taxes from ongoing operations before extraordinary items but after deduction of those portions of income or loss from continuing operations that are allocable to noncontrolling interests.

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The cash outflow from the acquisition of a piece of land, anything permanently fixed to it, including buildings, structures on it and so forth; includes real estate intended to generate income for the owner; excludes real estate acquired for use by the owner.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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