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Consolidated Balance Sheets - USD ($) $ in Thousands | Mar. 31, 2016 | Dec. 31, 2015
--- | --- | ---
ASSETS |  |
Real estate, at cost (amounts includes variable interest entities (“VIEs”) at March 31, 2016) | $ 18,424,542 | $ 18,465,405
Construction in progress (amounts related to VIEs of $486,025 at March 31, 2016) | 857,578 | 763,935
Land held for future development | 256,952 | 252,195
Less: accumulated depreciation (includes amounts related to VIEs at March 31, 2016) | (3,969,648) | (3,925,894)
Total real estate | 15,569,424 | 15,555,641
Cash and cash equivalents (amounts related to VIEs of $227,255 at March 31, 2016) | 1,605,678 | 723,718
Cash held in escrows (amounts related to VIEs of $3,671 at March 31, 2016) | 71,349 | 73,790
Investments in securities | 21,077 | 20,380
Tenant and other receivables (amounts related to VIEs of $24,403 at March 31, 2016) | 73,759 | 97,865
Accrued rental income (amounts related to VIEs of $217,148 at March 31, 2016) | 767,864 | 754,883
Deferred charges, net (amounts related to VIEs of $323,493 at March 31, 2016) | 693,976 | 704,867
Prepaid expenses and other assets (amounts related to VIEs of $77,995 at March 31, 2016) | 136,799 | 185,118
Investments in unconsolidated joint ventures | 235,904 | 235,224
Total assets | 19,175,830 | 18,351,486
Liabilities: |  |
Mortgage notes payable, net (amounts related to VIEs of $2,060,838 at March 31, 2016) | 3,416,622 | 3,435,242
Unsecured senior notes, net | 6,255,602 | 5,264,819
Unsecured line of credit | 0 | 0
Mezzanine notes payable (amounts related to VIEs of $308,142 at March 31, 2016) | 308,142 | 308,482
Outside members' notes payable (amounts related to VIEs of $180,000 at March 31, 2016) | 180,000 | 180,000
Accounts payable and accrued expenses (amounts related to VIEs of $82,270 at March 31, 2016) | 252,727 | 274,709
Dividends and distributions payable | 113,079 | 327,320
Accrued interest payable (amounts related to VIEs of $136,165 at March 31, 2016) | 221,578 | 190,386
Other liabilities (amounts related to VIEs of $205,007 at March 31, 2016) | 498,290 | 483,601
Total liabilities | 11,246,040 | 10,464,559
Commitments and contingencies | 0 | 0
Equity / Capital |  |
Excess stock, $0.01 par value, 150,000,000 shares authorized, none issued or outstanding | 0 | 0
Preferred stock, $.01 par value, 50,000,000 shares authorized |  |
5.25% Series B cumulative redeemable preferred stock / unit liquidation preference $2,500 per share / unit, 92,000 shares / units authorized, 80,000 shares / units issued and outstanding at March 31, 2016 and December 31, 2015 | 200,000 | 200,000
Common stock, $0.01 par value, 250,000,000 shares authorized, 153,683,866 and 153,658,866 issued and 153,604,966 and 153,579,966 outstanding at March 31, 2016 and December 31, 2015, respectively | 1,536 | 1,536
Additional paid-in capital | 6,306,723 | 6,305,687
Dividends in excess of earnings | (699,048) | (780,952)
Treasury common stock at cost, 78,900 shares at March 31, 2016 and December 31, 2015 | (2,722) | (2,722)
Accumulated other comprehensive loss | (56,706) | (14,114)
Total stockholders’ equity attributable to Boston Properties, Inc. | 5,749,783 | 5,709,435
Noncontrolling interests: |  |
Common units of the Operating Partnership | 616,095 | 603,092
Property partnerships | 1,563,912 | 1,574,400
Total equity | 7,929,790 | 7,886,927
Total liabilities and equity / capital | 19,175,830 | 18,351,486
Boston Properties Limited Partnership |  |
ASSETS |  |
Real estate, at cost (amounts includes variable interest entities (“VIEs”) at March 31, 2016) | 18,006,818 | 18,045,011
Construction in progress (amounts related to VIEs of $486,025 at March 31, 2016) | 857,578 | 763,935
Land held for future development | 256,952 | 252,195
Less: accumulated depreciation (includes amounts related to VIEs at March 31, 2016) | (3,889,084) | (3,846,816)
Total real estate | 15,232,264 | 15,214,325
Cash and cash equivalents (amounts related to VIEs of $227,255 at March 31, 2016) | 1,605,678 | 723,718
Cash held in escrows (amounts related to VIEs of $3,671 at March 31, 2016) | 71,349 | 73,790
Investments in securities | 21,077 | 20,380
Tenant and other receivables (amounts related to VIEs of $24,403 at March 31, 2016) | 73,759 | 97,865
Accrued rental income (amounts related to VIEs of $217,148 at March 31, 2016) | 767,864 | 754,883
Deferred charges, net (amounts related to VIEs of $323,493 at March 31, 2016) | 693,976 | 704,867
Prepaid expenses and other assets (amounts related to VIEs of $77,995 at March 31, 2016) | 136,799 | 185,118
Investments in unconsolidated joint ventures | 235,904 | 235,224
Total assets | 18,838,670 | 18,010,170
Liabilities: |  |
Mortgage notes payable, net (amounts related to VIEs of $2,060,838 at March 31, 2016) | 3,416,622 | 3,435,242
Unsecured senior notes, net | 6,255,602 | 5,264,819
Unsecured line of credit | 0 | 0
Mezzanine notes payable (amounts related to VIEs of $308,142 at March 31, 2016) | 308,142 | 308,482
Outside members' notes payable (amounts related to VIEs of $180,000 at March 31, 2016) | 180,000 | 180,000
Accounts payable and accrued expenses (amounts related to VIEs of $82,270 at March 31, 2016) | 252,727 | 274,709
Dividends and distributions payable | 113,079 | 327,320
Accrued interest payable (amounts related to VIEs of $136,165 at March 31, 2016) | 221,578 | 190,386
Other liabilities (amounts related to VIEs of $205,007 at March 31, 2016) | 498,290 | 483,601
Total liabilities | 11,246,040 | 10,464,559
Commitments and contingencies | 0 | 0
Noncontrolling interest: |  |
Redeemable partnership units—16,092,449 and 16,097,473 common units and 2,065,185 and 1,831,714 long term incentive units outstanding at redemption value at March 31, 2016 and December 31, 2015, respectively | 2,307,472 | 2,286,689
Redeemable interest in property partnership | 1,563,912 | 1,574,400
Preferred stock, $.01 par value, 50,000,000 shares authorized |  |
5.25% Series B cumulative redeemable preferred stock / unit liquidation preference $2,500 per share / unit, 92,000 shares / units authorized, 80,000 shares / units issued and outstanding at March 31, 2016 and December 31, 2015 | 193,623 | 193,623
Accumulated other comprehensive loss | (65,830) | (18,337)
Noncontrolling interests: |  |
Boston Properties Limited Partnership partners’ capital—1,717,626 and 1,715,092 general partner units and 151,887,340 and 151,864,874 limited partner units outstanding at March 31, 2016 and December 31, 2015, respectively | 3,527,623 | 3,490,899
Total equity | 5,285,158 | 5,258,922
Total liabilities and equity / capital | $ 18,838,670 | $ 18,010,170

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- Definition Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any. + 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 210.5-02.32) -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 03 -Paragraph 25 -Article 7 + Details
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + 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 210.9-03.16) -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 210.7-03.16) -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 02 -Paragraph 19, 20, 22 -Article 5 + Details
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- Definition Total debt and equity financial instruments including: (1) securities held-to-maturity, (2) trading securities, and (3) securities available-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27161-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.4) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Carrying amount of the equity interests owned by noncontrolling partners of a limited partnership included in the entity's consolidated financial statements. + References No definition available. + Details
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- Definition The aggregate carrying amount, as of the balance sheet date, of liabilities not separately disclosed in the balance sheet. + 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) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + 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 short-term 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. For a classified balance sheet represents the current portion only (the noncurrent portion has a separate concept); there is a separate and distinct element for unclassified presentations. + 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 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 4.E) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74512-122707 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 210.5-02.29-31) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 4 -Section E + Details
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