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Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified | Sep. 30, 2013 | Dec. 31, 2012
--- | --- | ---
Properties, net: |  |
Operating properties, net | $ 2,713,579 | $ 2,597,666
Projects in development or held for future development | 526,167 | 565,378
Total properties, net | 3,239,746 | 3,163,044
Assets held for sale, net | 133,984 | 140,229
Cash and cash equivalents | 27,318 | 10,594
Restricted cash and marketable securities | 14,698 | 21,557
Accounts receivable (net of allowance for doubtful accounts of $5,344 and $4,694, respectively) | 17,724 | 19,247
Deferred rent receivable | 90,104 | 85,802
Intangible assets on real estate acquisitions, net | 64,372 | 75,879
Deferred leasing and financing costs, net | 63,246 | 59,952
Mortgage and other investing receivables | 40,321 | 33,396
Prepaid expenses and other assets | 64,075 | 44,059
Total assets | 3,755,588 | 3,653,759
Liabilities: |  |
Debt, net | 2,135,031 | 2,019,168
Accounts payable and accrued expenses | 85,291 | 97,922
Rents received in advance and security deposits | 28,539 | 27,632
Dividends/Distributions payable | 29,077 | 28,698
Deferred revenue associated with operating leases | 8,545 | 11,995
Distributions received in excess of investment in unconsolidated real estate joint venture | 6,420 | 6,420
Interest rate derivatives | 3,595 | 6,185
Other liabilities | 8,234 | 8,942
Total liabilities | 2,304,732 | 2,206,962
Commitments and contingencies (Note 17) |  |
Redeemable noncontrolling interest | 16,789 | 10,298
Corporate Office Properties Trust’s shareholders’ equity: |  |
Preferred Shares of beneficial interest at liquidation preference ($0.01 par value; 25,000,000 shares authorized; shares issued and outstanding of 9,431,667 at September 30, 2013 and 12,821,667 at December 31, 2012) | 249,083 | 333,833
Common Shares of beneficial interest | 874 | 809
Additional paid-in capital | 1,812,801 | 1,653,672
Cumulative distributions in excess of net income | (700,368) | (617,455)
Accumulated other comprehensive income (loss) | 2,925 | (5,435)
Total Corporate Office Properties Trust’s shareholders’ equity | 1,365,315 | 1,365,424
Noncontrolling interests in subsidiaries: |  |
Common units in COPLP | 50,815 | 52,122
Preferred units in COPLP | 8,800 | 8,800
Other consolidated entities | 9,137 | 10,153
Noncontrolling interests in subsidiaries | 68,752 | 71,075
Total equity | 1,434,067 | 1,436,499
Total liabilities, redeemable noncontrolling interest and equity | 3,755,588 | 3,653,759
Corporate Office Properties, L.P. |  |
Properties, net: |  |
Operating properties, net | 2,713,579 | 2,597,666
Projects in development or held for future development | 526,167 | 565,378
Total properties, net | 3,239,746 | 3,163,044
Assets held for sale, net | 133,984 | 140,229
Cash and cash equivalents | 27,318 | 10,594
Restricted cash and marketable securities | 7,517 | 14,781
Accounts receivable (net of allowance for doubtful accounts of $5,344 and $4,694, respectively) | 17,724 | 19,247
Deferred rent receivable | 90,104 | 85,802
Intangible assets on real estate acquisitions, net | 64,372 | 75,879
Deferred leasing and financing costs, net | 63,246 | 59,952
Mortgage and other investing receivables | 40,321 | 33,396
Prepaid expenses and other assets | 64,075 | 44,059
Total assets | 3,748,407 | 3,646,983
Liabilities: |  |
Debt, net | 2,135,031 | 2,019,168
Accounts payable and accrued expenses | 85,291 | 97,922
Rents received in advance and security deposits | 28,539 | 27,632
Dividends/Distributions payable | 29,077 | 28,698
Deferred revenue associated with operating leases | 8,545 | 11,995
Distributions received in excess of investment in unconsolidated real estate joint venture | 6,420 | 6,420
Interest rate derivatives | 3,595 | 6,185
Other liabilities | 1,053 | 2,166
Total liabilities | 2,297,551 | 2,200,186
Commitments and contingencies (Note 17) |  |
Redeemable noncontrolling interest | 16,789 | 10,298
Corporate Office Properties Trust’s shareholders’ equity: |  |
Common Shares of beneficial interest | 1,163,977 | 1,089,391
Accumulated other comprehensive income (loss) | 3,026 | (5,708)
Total Corporate Office Properties Trust’s shareholders’ equity | 1,424,886 | 1,426,316
Noncontrolling interests in subsidiaries: |  |
Noncontrolling interests in subsidiaries | 9,181 | 10,183
Total equity | 1,434,067 | 1,436,499
Total liabilities, redeemable noncontrolling interest and equity | 3,748,407 | 3,646,983
Corporate Office Properties, L.P. | General Partner |  |
Corporate Office Properties Trust’s shareholders’ equity: |  |
Preferred partners' capital accounts | 249,083 | 333,833
Corporate Office Properties, L.P. | Limited Partner |  |
Corporate Office Properties Trust’s shareholders’ equity: |  |
Preferred partners' capital accounts | $ 8,800 | $ 8,800

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- Definition Amount at the balance sheet date that has been received by the entity that represents collections of cash or other assets related to real estate operations revenue for which revenue has not yet been recognized and money paid in advance to protect the provider of a product or service, such as a lessor, against damage or nonpayment by the buyer or tenant (lessee) during the term of the agreement. Such damages may include physical damage to the property, theft of property, and other contractual breaches. Security deposits held may be interest or noninterest bearing. + References No definition available. + Details
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- Definition Carrying value as of balance sheet date of investments in the following types of entities when distributions received on such investments exceed amounts invested: (A) an entity in which the entity has significant influence, but does not have control, (B) subsidiaries that are not required to be consolidated and are accounted for using the equity and or cost method, and (C) an entity in which the reporting entity shares control of the entity with another party or group. Includes long-term advances receivable from or payable to such an entity and adjustments for other than temporary impairment losses recognized. + References No definition available. + Details
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- Definition The carrying amounts of cash and cash equivalent items which are restricted as to withdrawal or usage. Restrictions may include legally restricted deposits held as compensating balances against borrowing arrangements, contracts entered into with others, or entity statements of intention with regard to particular deposits; however, time deposits and short-term certificates of deposit are not generally included in legally restricted deposits. Excludes compensating balance arrangements that are not agreements which legally restrict the use of cash amounts shown on the balance sheet. Also includes certain debt and equity financial instruments, including (1) securities held-to-maturity, (2) trading securities, and (3) securities available-for-sale, but excludes the carrying amount of equity interests in nonpublic companies accounted for using the cost or equity methods of accounting. + References No definition available. + Details
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- Definition Sum of the carrying values as of the balance sheet date of obligations incurred through that date, including liabilities incurred and payable to vendors for goods and services received, taxes, interest, rent and utilities, compensation costs, payroll taxes and fringe benefits (other than pension and postretirement obligations), contractual rights and obligations, and statutory obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15(1),(5)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.15) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Article 7 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Subparagraph 1, 5 -Article 9 + Details
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- Definition Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=28358780&loc=SL7669686-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=28358780&loc=d3e637-108580 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=28358780&loc=d3e681-108580 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 31 -Article 5 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 + Details
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- Definition Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders. Includes adjustments to additional paid in capital. Some examples of such adjustments include recording the issuance of debt with a beneficial conversion feature and certain tax consequences of equity instruments awarded to employees. Use this element for the aggregate amount of additional paid-in capital associated with common and preferred stock. For additional paid-in capital associated with only common stock, use the element additional paid in capital, common stock. For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 31 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.30(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19-26) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Net amount of the investment in a contractual right to receive money on demand or on fixed or determinable dates that is recognized as an asset in the creditor's statement of financial position. Examples include, but are not limited to, credit card receivables, notes receivable and receivables relating to lessor's rights to payments from leases other than operating leases that have been recorded as assets. Excludes trade accounts receivable with contractual maturity of one year or less and arose from the sale of goods or services. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 3 -Article 5 + Details
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- Definition As of the reporting date, the aggregate carrying amount of all noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. This item includes noncontrolling interest holder's ownership (or holders' ownership) regardless of the type of equity interest (common, preferred, other) including all potential organizational (legal) forms of the investee entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section S99 -Paragraph 3A -Subparagraph (16)(c) -URI http://asc.fasb.org/extlink&oid=27011957&loc=SL6540498-122764 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section S99 -Paragraph 3A -Subparagraph (12)(c) -URI http://asc.fasb.org/extlink&oid=27011957&loc=SL6540498-122764 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section S99 -Paragraph 3A -Subparagraph 15 -URI http://asc.fasb.org/extlink&oid=27011957&loc=SL6540498-122764 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section S99 -Paragraph 3A -Subparagraph 14 -URI http://asc.fasb.org/extlink&oid=27011957&loc=SL6540498-122764 + Details
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