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Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified | Jun. 30, 2013 | Dec. 31, 2012
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Properties, net: |  |
Operating properties, net | $ 2,703,009 | $ 2,597,666
Projects in development or held for future development | 508,295 | 565,378
Total properties, net | 3,211,304 | 3,163,044
Assets held for sale, net | 136,896 | 140,229
Cash and cash equivalents | 9,196 | 10,594
Restricted cash and marketable securities | 19,472 | 21,557
Accounts receivable (net of allowance for doubtful accounts of $5,216 and $4,694, respectively) | 23,751 | 19,247
Deferred rent receivable | 89,811 | 85,802
Intangible assets on real estate acquisitions, net | 68,046 | 75,879
Deferred leasing and financing costs, net | 57,488 | 59,952
Prepaid expenses and other assets | 83,671 | 77,455
Total assets | 3,699,635 | 3,653,759
Liabilities: |  |
Debt, net | 2,093,106 | 2,019,168
Accounts payable and accrued expenses | 84,181 | 97,922
Rents received in advance and security deposits | 24,095 | 27,632
Dividends and distributions payable | 28,602 | 28,698
Deferred revenue associated with operating leases | 9,649 | 11,995
Distributions received in excess of investment in unconsolidated real estate joint venture | 6,420 | 6,420
Interest rate derivatives | 3,555 | 6,185
Other liabilities | 8,169 | 8,942
Total liabilities | 2,257,777 | 2,206,962
Commitments and contingencies (Note 16) |  |
Redeemable noncontrolling interest | 15,571 | 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 June 30, 2013 and 12,821,667 at December 31, 2012) | 249,083 | 333,833
Common Shares of beneficial interest | 858 | 809
Additional paid-in capital | 1,772,470 | 1,653,672
Cumulative distributions in excess of net income | (668,892) | (617,455)
Accumulated other comprehensive income (loss) | 3,631 | (5,435)
Total Corporate Office Properties Trust’s shareholders’ equity | 1,357,150 | 1,365,424
Noncontrolling interests in subsidiaries: |  |
Common units in COPLP | 49,112 | 52,122
Preferred units in COPLP | 8,800 | 8,800
Other consolidated entities | 11,225 | 10,153
Noncontrolling interests in subsidiaries | 69,137 | 71,075
Total equity | 1,426,287 | 1,436,499
Total liabilities, redeemable noncontrolling interest and equity | 3,699,635 | 3,653,759
Corporate Office Properties, L.P. |  |
Properties, net: |  |
Operating properties, net | 2,703,009 | 2,597,666
Projects in development or held for future development | 508,295 | 565,378
Total properties, net | 3,211,304 | 3,163,044
Assets held for sale, net | 136,896 | 140,229
Cash and cash equivalents | 9,196 | 10,594
Restricted cash and marketable securities | 12,396 | 14,781
Accounts receivable (net of allowance for doubtful accounts of $5,216 and $4,694, respectively) | 23,751 | 19,247
Deferred rent receivable | 89,811 | 85,802
Intangible assets on real estate acquisitions, net | 68,046 | 75,879
Deferred leasing and financing costs, net | 57,488 | 59,952
Prepaid expenses and other assets | 83,671 | 77,455
Total assets | 3,692,559 | 3,646,983
Liabilities: |  |
Debt, net | 2,093,106 | 2,019,168
Accounts payable and accrued expenses | 84,181 | 97,922
Rents received in advance and security deposits | 24,095 | 27,632
Dividends and distributions payable | 28,602 | 28,698
Deferred revenue associated with operating leases | 9,649 | 11,995
Distributions received in excess of investment in unconsolidated real estate joint venture | 6,420 | 6,420
Interest rate derivatives | 3,555 | 6,185
Other liabilities | 1,093 | 2,166
Total liabilities | 2,250,701 | 2,200,186
Commitments and contingencies (Note 16) |  |
Redeemable noncontrolling interest | 15,571 | 10,298
Corporate Office Properties Trust’s shareholders’ equity: |  |
Common Shares of beneficial interest | 1,153,376 | 1,089,391
Accumulated other comprehensive income (loss) | 3,763 | (5,708)
Total Corporate Office Properties Trust’s shareholders’ equity | 1,415,022 | 1,426,316
Noncontrolling interests in subsidiaries: |  |
Noncontrolling interests in subsidiaries | 11,265 | 10,183
Total equity | 1,426,287 | 1,436,499
Total liabilities, redeemable noncontrolling interest and equity | 3,692,559 | 3,646,983
General Partner | Corporate Office Properties, L.P. |  |
Corporate Office Properties Trust’s shareholders’ equity: |  |
Preferred partners' capital accounts | 249,083 | 333,833
Limited Partner | Corporate Office Properties, L.P. |  |
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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