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Earnings Per Share ("EPS") and Earnings Per Unit ("EPU") (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified |
3 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|
|
Mar. 31, 2015
|
Mar. 31, 2014
|
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| Numerator: | ||||||||
| Income from continuing operations | $ 10,987us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | $ 5,660us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | ||||||
| Gain on sales of real estate, net | 3,986us-gaap_GainLossOnSaleOfPropertiesNetOfApplicableIncomeTaxes | 0us-gaap_GainLossOnSaleOfPropertiesNetOfApplicableIncomeTaxes | ||||||
| Preferred share/unit dividends/distributions | (3,552)us-gaap_PreferredStockDividendsIncomeStatementImpact | (4,490)us-gaap_PreferredStockDividendsIncomeStatementImpact | ||||||
| Income from continuing operations attributable to noncontrolling interests | (1,392)us-gaap_IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity | (932)us-gaap_IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity | ||||||
| Income from continuing operations attributable to restricted shares | (122)us-gaap_ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic | (121)us-gaap_ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic | ||||||
| Numerator for basic and diluted EPS from continuing operations attributable to COPT common shareholders | 9,907ofc_NetIncomeLossfromContinuingOperationsAvailabletoCommonStockholdersBasicandDiluted | 117ofc_NetIncomeLossfromContinuingOperationsAvailabletoCommonStockholdersBasicandDiluted | ||||||
| Discontinued operations | (238)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax | 11us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax | ||||||
| Discontinued operations attributable to noncontrolling interests | 12us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest | 2us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest | ||||||
| Numerator for basic and diluted EPS on net income attributable to COPT common shareholders | 9,681ofc_NetIncomeLossAttributabletoCommonStockholdersBasicandDiluted | 130ofc_NetIncomeLossAttributabletoCommonStockholdersBasicandDiluted | ||||||
| Denominator (all weighted averages): | ||||||||
| Denominator for basic EPS (common shares) | 93,199us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 87,080us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | ||||||
| Dilutive effect of share-based compensation awards | 198us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements | 112us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements | ||||||
| Denominator for diluted EPS (common shares) | 93,397us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 87,192us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | ||||||
| Basic EPS: | ||||||||
| Income from continuing operations (in dollars per share/unit) | $ 0.10us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | [1] | $ 0.00us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | [1] | ||||
| Discontinued operations (in dollars per share/unit) | $ 0.00us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare | [1] | $ 0.00us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare | [1] | ||||
| Net income attributable to COPT common shareholders (in dollars per share/unit) | $ 0.10us-gaap_EarningsPerShareBasic | [1] | $ 0.00us-gaap_EarningsPerShareBasic | [1] | ||||
| Diluted EPS: | ||||||||
| Income from continuing operations (in dollars per share/unit) | $ 0.10us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | [1] | $ 0.00us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | [1] | ||||
| Discontinued operations (in dollars per share/unit) | $ 0.00us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare | [1] | $ 0.00us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare | [1] | ||||
| Net income attributable to COPT common shareholders (in dollars per share/unit) | $ 0.10us-gaap_EarningsPerShareDiluted | [1] | $ 0.00us-gaap_EarningsPerShareDiluted | [1] | ||||
| Corporate Office Properties, L.P. | ||||||||
| Numerator: | ||||||||
| Income from continuing operations |
10,987us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
5,660us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
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| Gain on sales of real estate, net |
3,986us-gaap_GainLossOnSaleOfPropertiesNetOfApplicableIncomeTaxes / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
0us-gaap_GainLossOnSaleOfPropertiesNetOfApplicableIncomeTaxes / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
||||||
| Preferred share/unit dividends/distributions |
(3,717)us-gaap_PreferredStockDividendsIncomeStatementImpact / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
(4,655)us-gaap_PreferredStockDividendsIncomeStatementImpact / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
||||||
| Income from continuing operations attributable to noncontrolling interests |
(821)us-gaap_IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
(739)us-gaap_IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
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| Income from continuing operations attributable to restricted shares |
(122)us-gaap_ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
(121)us-gaap_ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
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| Numerator for basic and diluted EPS from continuing operations attributable to COPT common shareholders |
10,313ofc_NetIncomeLossfromContinuingOperationsAvailabletoCommonStockholdersBasicandDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
145ofc_NetIncomeLossfromContinuingOperationsAvailabletoCommonStockholdersBasicandDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
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| Discontinued operations |
(238)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
11us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
||||||
| Discontinued operations attributable to noncontrolling interests |
3us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
2us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
||||||
| Numerator for basic and diluted EPS on net income attributable to COPT common shareholders |
$ 10,078ofc_NetIncomeLossAttributabletoCommonStockholdersBasicandDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
$ 158ofc_NetIncomeLossAttributabletoCommonStockholdersBasicandDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
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| Denominator (all weighted averages): | ||||||||
| Denominator for basic EPS (common shares) |
96,931us-gaap_WeightedAverageNumberOfSharesOutstandingBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
91,038us-gaap_WeightedAverageNumberOfSharesOutstandingBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
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| Dilutive effect of share-based compensation awards |
198us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
112us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
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| Denominator for diluted EPS (common shares) |
97,129us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
91,150us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
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| Basic EPS: | ||||||||
| Income from continuing operations (in dollars per share/unit) |
$ 0.10us-gaap_IncomeLossFromContinuingOperationsPerBasicShare / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
[2] |
$ 0.00us-gaap_IncomeLossFromContinuingOperationsPerBasicShare / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
[2] | ||||
| Discontinued operations (in dollars per share/unit) |
$ 0.00us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
[2] |
$ 0.00us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
[2] | ||||
| Net income attributable to COPT common shareholders (in dollars per share/unit) |
$ 0.10us-gaap_EarningsPerShareBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
[2] |
$ 0.00us-gaap_EarningsPerShareBasic / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
[2] | ||||
| Diluted EPS: | ||||||||
| Income from continuing operations (in dollars per share/unit) |
$ 0.10us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
[2] |
$ 0.00us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
[2] | ||||
| Discontinued operations (in dollars per share/unit) |
$ 0.00us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
[2] |
$ 0.00us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
[2] | ||||
| Net income attributable to COPT common shareholders (in dollars per share/unit) |
$ 0.10us-gaap_EarningsPerShareDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
[2] |
$ 0.00us-gaap_EarningsPerShareDiluted / dei_LegalEntityAxis = us-gaap_SubsidiariesMember |
[2] | ||||
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| X | ||||||||||
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- Definition
Represents the net income after adjustments for gain on sales of real estate, preferred share dividends, income from continuing operations attributable to noncontrolling interests and income from continuing operations attributable to restricted shares used to calculate the basic and dilutive earnings per share. No definition available.
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| X | ||||||||||
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- Definition
This element represents the net income from continuing operations including gain on sales of real estate, net of income taxes, after adjustments for dividends on preferred stock and income attributable to participating securities used to calculate basic and dilutive earnings per share from continuing operations. No definition available.
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| X | ||||||||||
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- Definition
The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
This element represents the amount of gain (loss) on sale of properties during the reporting period net of the applicable income taxes realized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of income (loss) from continuing operations attributable to the noncontrolling interest. 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses and taxes from ongoing operations before extraordinary items, and noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of net income (loss) from continuing operations per each share of common stock or unit outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of net income (loss) derived from continuing operations during the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of income (loss) from a disposal group, net of income tax before extraordinary items allocable to noncontrolling interests. Includes, net of tax, income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
This element represents the overall income (loss) from a disposal group that is classified as a component of the entity, net of income tax, reported as a separate component of income before extraordinary items, which is apportioned to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This item includes the following (net of tax): income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Per basic share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation and gain (loss) from the disposal of the discontinued operation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Per diluted share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation and gain (loss) from the disposal of the discontinued operation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Amount of earnings (loss) distributed and earnings (loss) allocated to participating securities for the basic earnings (loss) per share or per unit calculation under the two-class method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The amount of preferred stock dividends that is an adjustment to net income apportioned to common stockholders. No definition available.
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| X | ||||||||||
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- Definition
The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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