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Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2016 | Mar. 31, 2015
Cash flows from operating activities |  |
Revenues from real estate operations received | $ 130,059 | $ 117,521
Construction contract and other service revenues received | 7,747 | 19,968
Property operating expenses paid | (46,084) | (42,768)
Construction contract and other service expenses paid | (10,765) | (27,853)
General, administrative, leasing, business development and land carry costs paid | (12,175) | (12,728)
Interest expense paid | (21,386) | (12,795)
Other | 43 | 545
Net cash provided by operating activities | 47,439 | 41,890
Cash flows from investing activities |  |
Construction, development and redevelopment | (45,146) | (62,057)
Acquisitions of operating properties and related intangible assets | 0 | (56,622)
Tenant improvements on operating properties | (6,388) | (5,520)
Other capital improvements on operating properties | (9,505) | (3,720)
Proceeds from dispositions of properties | 5,452 | 17,424
Leasing costs paid | (1,593) | (1,935)
Other | 1,121 | (5,956)
Net cash used in investing activities | (56,059) | (118,386)
Proceeds from debt |  |
Revolving Credit Facility | 88,500 | 150,000
Repayments of debt |  |
Revolving Credit Facility | (25,000) | (69,000)
Scheduled principal amortization | (1,800) | (1,649)
Other debt repayments | (50) | (50)
Net proceeds from issuance of common shares/units | (5) | 28,404
Common share/unit dividends/distributions paid | (26,002) | (25,646)
Preferred share/unit dividends/distributions paid | (3,552) | (3,552)
Distributions paid to noncontrolling interests in COPLP | 1,171 | 1,217
Distributions paid to redeemable noncontrolling interests | (13,848) | (122)
Redemption of vested equity awards | (1,154) | (2,031)
Other | (5,119) | (289)
Net cash provided by financing activities | 10,799 | 74,848
Net increase (decrease) in cash and cash equivalents | 2,179 | (1,648)
Cash and cash equivalents |  |
Beginning of period | 60,310 | 6,077
End of period | 62,489 | 4,429
Reconciliation of net income to net cash provided by operating activities: |  |
Net income | 8,096 | 14,735
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and other amortization | 35,129 | 32,091
Impairment losses | 2,446 | 233
Losses on interest rate derivatives | 1,551 | 0
Amortization of deferred financing costs and net debt discounts | 1,495 | 1,254
Increase in deferred rent receivable | (1,456) | (1,746)
Gain on sales of real estate | 0 | (3,986)
Share-based compensation | 2,108 | 1,552
Other | (802) | (640)
Operating changes in assets and liabilities: |  |
Decrease (increase) in accounts receivable | 409 | (6,918)
Decrease (increase) in restricted cash and marketable securities | 15 | (1,577)
Decrease (increase) in prepaid expenses and other assets, net | 5,941 | (6,352)
(Decrease) increase in accounts payable, accrued expenses and other liabilities | (3,802) | 12,704
(Decrease) increase in rents received in advance and security deposits | (3,691) | 540
Net cash provided by operating activities | 47,439 | 41,890
Supplemental schedule of non-cash investing and financing activities: |  |
Decrease in accrued capital improvements, leasing and other investing activity costs | (9,420) | (3,897)
Increase in property and redeemable noncontrolling interests in connection with property contributed in a joint venture | 22,600 | 0
Decrease in redeemable noncontrolling interests and increase in other liabilities in connection with distribution payable to redeemable noncontrolling interest | 6,675 | 0
Other liabilities assumed on acquisition of operating properties | 0 | 5,265
Decrease in fair value of derivatives applied to accumulated other comprehensive loss and noncontrolling interests | (10,414) | (2,701)
Dividends/distributions payable | 30,217 | 30,174
Decrease in noncontrolling interests and increase in shareholders’ equity in connection with the conversion of common units into common shares | 0 | 2,122
Adjustments to noncontrolling interests resulting from changes in COPLP ownership | (54) | 475
Increase in redeemable noncontrolling interest and decrease in equity to carry redeemable noncontrolling interest at fair value | 302 | 73
Corporate Office Properties, L.P. |  |
Cash flows from operating activities |  |
Revenues from real estate operations received | 130,059 | 117,521
Construction contract and other service revenues received | 7,747 | 19,968
Property operating expenses paid | (46,084) | (42,768)
Construction contract and other service expenses paid | (10,765) | (27,853)
General, administrative, leasing, business development and land carry costs paid | (12,175) | (12,728)
Interest expense paid | (21,386) | (12,795)
Other | 43 | 545
Net cash provided by operating activities | 47,439 | 41,890
Cash flows from investing activities |  |
Construction, development and redevelopment | (45,146) | (62,057)
Acquisitions of operating properties and related intangible assets | 0 | (56,622)
Tenant improvements on operating properties | (6,388) | (5,520)
Other capital improvements on operating properties | (9,505) | (3,720)
Proceeds from dispositions of properties | 5,452 | 17,424
Leasing costs paid | (1,593) | (1,935)
Other | 1,121 | (5,956)
Net cash used in investing activities | (56,059) | (118,386)
Proceeds from debt |  |
Revolving Credit Facility | 88,500 | 150,000
Repayments of debt |  |
Revolving Credit Facility | (25,000) | (69,000)
Scheduled principal amortization | (1,800) | (1,649)
Other debt repayments | (50) | (50)
Net proceeds from issuance of common shares/units | (5) | 28,404
Common share/unit dividends/distributions paid | (27,008) | (26,698)
Preferred share/unit dividends/distributions paid | (3,717) | (3,717)
Distributions paid to redeemable noncontrolling interests | (13,848) | (122)
Redemption of vested equity awards | (1,154) | (2,031)
Other | (5,119) | (289)
Net cash provided by financing activities | 10,799 | 74,848
Net increase (decrease) in cash and cash equivalents | 2,179 | (1,648)
Cash and cash equivalents |  |
Beginning of period | 60,310 | 6,077
End of period | 62,489 | 4,429
Reconciliation of net income to net cash provided by operating activities: |  |
Net income | 8,096 | 14,735
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and other amortization | 35,129 | 32,091
Impairment losses | 2,446 | 233
Losses on interest rate derivatives | 1,551 | 0
Amortization of deferred financing costs and net debt discounts | 1,495 | 1,254
Increase in deferred rent receivable | (1,456) | (1,746)
Gain on sales of real estate | 0 | (3,986)
Share-based compensation | 2,108 | 1,552
Other | (802) | (640)
Operating changes in assets and liabilities: |  |
Decrease (increase) in accounts receivable | 409 | (6,918)
Decrease (increase) in restricted cash and marketable securities | (77) | (1,523)
Decrease (increase) in prepaid expenses and other assets, net | 5,941 | (6,352)
(Decrease) increase in accounts payable, accrued expenses and other liabilities | (3,710) | 12,650
(Decrease) increase in rents received in advance and security deposits | (3,691) | 540
Net cash provided by operating activities | 47,439 | 41,890
Supplemental schedule of non-cash investing and financing activities: |  |
Decrease in accrued capital improvements, leasing and other investing activity costs | (9,420) | (3,897)
Increase in property and redeemable noncontrolling interests in connection with property contributed in a joint venture | 22,600 | 0
Decrease in redeemable noncontrolling interests and increase in other liabilities in connection with distribution payable to redeemable noncontrolling interest | 6,675 | 0
Other liabilities assumed on acquisition of operating properties | 0 | 5,265
Decrease in fair value of derivatives applied to accumulated other comprehensive loss and noncontrolling interests | (10,414) | (2,701)
Dividends/distributions payable | 30,217 | 30,174
Increase in redeemable noncontrolling interest and decrease in equity to carry redeemable noncontrolling interest at fair value | $ 302 | $ 73

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- Definition Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3574-108585 + Details
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- Definition Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3574-108585 + Details
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- Definition Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3536-108585 + Details
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- Definition The net book value of a nonmonetary asset transferred or exchanged in connection with the acquisition of a business or asset in a noncash transaction. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. Nonmonetary assets and liabilities are assets and liabilities that will not result in cash receipts or cash payments in the future. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4313-108586 + Details
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- Definition Other income (expense) included in net income that results in no cash inflows or outflows in the period. Includes noncash adjustments to reconcile net income (loss) to cash provided by (used in) operating activities that are not separately disclosed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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- Definition Other cash or noncash adjustments to reconcile net income to cash provided by (used in) operating activities that are not separately disclosed in the statement of cash flows (for example, cash received or cash paid during the current period for miscellaneous operating activities, net change during the reporting period in other assets or other liabilities). + References No definition available. + Details
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- Definition The cash outflow for acquisition of or capital improvements to properties held for investment (operating, managed, leased) or for use. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3213-108585 + Details
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- Definition Amount of cash outflow for costs that are essential to originate the lease and would not otherwise have been incurred without the lease agreement. Amount includes, but is not limited to, cash outflows to evaluate the lessee's credit condition, guarantees, and collateral and cash outflows for costs incurred in negotiating, processing, and executing the lease agreement. + References No definition available. + Details
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- Definition The net cash outflow or inflow from other investing activities. This element is used when there is not a more specific and appropriate element in the taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3098-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3095-108585 + Details
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- Definition The cash outflow to reacquire common stock during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition Amount of cash outflow for the allowance granted to lessee and/or direct costs incurred by lessor used to prepare the leased premises for tenant's occupancy. + References No definition available. + Details
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- Definition Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition Amount of cash outflow in the form of ordinary dividends provided by the non-wholly owned subsidiary to noncontrolling interests. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3291-108585 + Details
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- Definition Amount of cash outflow in the form of ordinary dividends to preferred shareholders of the parent entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The cash outflow from the acquisition of property as primarily intended to generate income for its owner. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3213-108585 + Details
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- Definition Payments to develop real estate assets is the process of adding improvements on or to a parcel of land. Such improvements may include drainage, utilities, subdividing, access, buildings, and any combination of these elements; and are generally classified as cash flow from investing activities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3213-108585 + Details
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- Definition The cash inflow from the additional capital contribution to the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3255-108585 + Details
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- Definition The cash inflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3255-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The net cash inflow or outflow from other financing activities. This element is used when there is not a more specific and appropriate element in the taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3095-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3098-108585 + Details
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- Definition Cash received from the sale of real estate that is held for investment, that is, it is part of an investing activity during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3179-108585 + Details
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- Definition The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=51664549&loc=SL4569616-111683 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=35736750&loc=SL4591552-111686 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=18733093&loc=SL4573702-111684 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=35736750&loc=SL4591551-111686 + Details
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- Definition The cash outflow for the settlement of obligation drawn from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3291-108585 + Details
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- Definition The cash outflow attributable to repayments of borrowings not otherwise defined in the taxonomy (with maturities initially due after one year or beyond the operating cycle if longer). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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- Definition Difference between actual rental income due and rental income recognized on a straight-line basis. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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