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Noncontrolling Interests | 3 Months Ended
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Mar. 31, 2017
Noncontrolling Interest [Abstract] |
Noncontrolling Interests | 7. Noncontrolling Interests Noncontrolling interests relate to the interests in Boston Properties Limited Partnership not owned by Boston Properties, Inc. and interests in consolidated property partnerships not wholly-owned by the Company. As of March 31, 2017, the noncontrolling interests in Boston Properties Limited Partnership consisted of 17,277,109 OP Units, 811,476 LTIP Units (including 118,067 2012 OPP Units, 85,491 2013 MYLTIP Units and 25,124 2014 MYLTIP Units), 367,218 2015 MYLTIP Units, 473,360 2016 MYLTIP Units and 400,000 2017 MYLTIP Units held by parties other than Boston Properties, Inc. Noncontrolling Interest—Common Units During the three months ended March 31, 2017, 23,182 OP Units were presented by the holders for redemption (including 20,682 OP Units issued upon conversion of LTIP Units, 2012 OPP Units, 2013 MYLTIP Units and 2014 MYLTIP Units) and were redeemed by Boston Properties, Inc. in exchange for an equal number of shares of Common Stock. At March 31, 2017, Boston Properties Limited Partnership had outstanding 367,218 2015 MYLTIP Units, 473,360 2016 MYLTIP Units and 400,000 2017 MYLTIP Units. Prior to the applicable measurement date (February 4, 2018 for 2015 MYLTIP Units, February 9, 2019 for 2016 MYLTIP Units and February 6, 2020 for 2017 MYLTIP Units), holders of MYLTIP Units will be entitled to receive per unit distributions equal to one-tenth (10%) of the regular quarterly distributions payable on an OP Unit, but will not be entitled to receive any special distributions. After the measurement date, the number of MYLTIP Units, both vested and unvested, that MYLTIP award recipients have earned, if any, based on the establishment of a performance pool, will be entitled to receive distributions in an amount per unit equal to distributions, both regular and special, payable on an OP Unit. On February 3, 2017, the measurement period for the Company’s 2014 MYLTIP awards ended and, based on Boston Properties, Inc.’s relative TSR performance, the final awards were determined to be 27.7% of target or an aggregate of approximately $3.5 million (after giving effect to voluntary employee separations and the unallocated reserve). As a result, an aggregate of 447,386 2014 MYLTIP Units that had been previously granted were automatically forfeited. The following table presents Boston Properties Limited Partnership’s distributions on the OP Units and LTIP Units (including the 2012 OPP Units and 2013 MYLTIP Units and, after the February 3, 2017 measurement date, the 2014 MYLTIP Units) and its distributions on the 2014 MYLTIP Units (prior to the February 3, 2017 measurement date), 2015 MYLTIP Units, 2016 MYLTIP Units and 2017 MYLTIP Units (after the February 7, 2017 issuance date) paid in 2017:
Record Date |  | Payment Date |  | Distributions per OP Unit and LTIP Unit |  | Distributions per MYLTIP Unit
March 31, 2017 |  | April 28, 2017 |  |  | $0.75 |  |  |  | $0.075 |
December 31, 2016 |  | January 30, 2017 |  |  | $0.75 |  |  |  | $0.075 |
A holder of an OP Unit may present the OP Unit to Boston Properties Limited Partnership for redemption at any time (subject to restrictions agreed upon at the time of issuance of OP Units to particular holders that may restrict such redemption right for a period of time, generally one year from issuance). Upon presentation of an OP Unit for redemption, Boston Properties Limited Partnership must redeem the OP Unit for cash equal to the then value of a share of common stock of Boston Properties, Inc. Boston Properties, Inc. may, in its sole discretion, elect to assume and satisfy the redemption obligation by paying either cash or issuing one share of Common Stock. The value of the OP Units not owned by Boston Properties, Inc. and LTIP Units (including the 2012 OPP Units, 2013 MYLTIP Units and 2014 MYLTIP Units), assuming that all conditions had been met for the conversion thereof, had all of such units been redeemed at March 31, 2017 was approximately $2.4 billion based on the last reported price of a share of Common Stock on the New York Stock Exchange of $132.41 per share on March 31, 2017. Boston Properties Limited Partnership The following table reflects the activity of noncontrolling interests—redeemable partnership units of Boston Properties Limited Partnership for the three months ended March 31, 2017 and 2016 (in thousands):
Balance at December 31, 2016 | $ | 2,262,040 |
Contributions | 29,918 |
Net income | 11,432 |
Distributions | (13,653 | )
Conversion of redeemable partnership units | (793 | )
Unearned compensation | (18,633 | )
Cumulative effect of a change in accounting principle | (1,763 | )
Accumulated other comprehensive income | 146 |
Adjustment to reflect redeemable partnership units at redemption value | 126,416 |
Balance at March 31, 2017 | $ | 2,395,110 |
Balance at December 31, 2015 | $ | 2,286,689 |
Contributions | 30,808 |
Net income | 21,393 |
Distributions | (11,865 | )
Conversion of redeemable partnership units | (446 | )
Unearned compensation | (22,424 | )
Accumulated other comprehensive loss | (4,901 | )
Adjustment to reflect redeemable partnership units at redemption value | 8,218 |
Balance at March 31, 2016 | $ | 2,307,472 |
Noncontrolling Interests—Property Partnerships The noncontrolling interests in property partnerships consist of the outside equity interests in ventures that are consolidated with the financial results of the Company because the Company exercises control over the entities that own the properties. The equity interests in these ventures that are not owned by the Company, totaling approximately $1.5 billion at March 31, 2017 and December 31, 2016, are included in Noncontrolling Interests—Property Partnerships in the accompanying Consolidated Balance Sheets. On May 12, 2016, the partners in the Company’s consolidated entity that owns Salesforce Tower located in San Francisco, California amended the venture agreement. Under the venture agreement, if the Company elects to fund the construction of Salesforce Tower without a construction loan (or a construction loan of less than 50% of project costs) and the venture has commenced vertical construction of the project, then the partner’s capital funding obligation shall be limited, in which event the Company shall fund up to 2.5% of the total project costs (i.e., 50% of the partner’s 5% interest in the venture) in the form of a loan to the partner. This loan would bear interest at the then prevailing market interest rates for construction loans. Under the amended agreement, the partners have agreed to structure this funding by the Company as preferred equity rather than a loan. The preferred equity contributed by the Company shall earn a preferred return equal to LIBOR plus 3.00% per annum and shall be payable to the Company out of any distributions to which the partner would otherwise be entitled until such preferred equity and preferred return have been repaid to the Company. As of March 31, 2017, approximately $11.8 million of preferred equity had been contributed by the Company to the venture. The following table reflects the activity of the noncontrolling interests in property partnerships for the three months ended March 31, 2017 and 2016 (in thousands):
Balance at December 31, 2016 | $ | 1,530,647 |
Capital contributions | 8,145 |
Net income | 4,424 |
Accumulated other comprehensive income | 72 |
Distributions | (13,635 | )
Balance at March 31, 2017 | $ | 1,529,653 |
Balance at December 31, 2015 | $ | 1,574,400 |
Capital contributions | 2,489 |
Net income | 10,464 |
Accumulated other comprehensive loss | (10,526 | )
Distributions | (12,915 | )
Balance at March 31, 2016 | $ | 1,563,912 |

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- Definition The entire disclosure for noncontrolling interest in consolidated subsidiaries, which could include the name of the subsidiary, the ownership percentage held by the parent, the ownership percentage held by the noncontrolling owners, the amount of the noncontrolling interest, the location of this amount on the balance sheet (when not reported separately), an explanation of the increase or decrease in the amount of the noncontrolling interest, the noncontrolling interest share of the net Income or Loss of the subsidiary, the location of this amount on the income statement (when not reported separately), the nature of the noncontrolling interest such as background information and terms, the amount of the noncontrolling interest represented by preferred stock, a description of the preferred stock, and the dividend requirements of the preferred stock. + 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 210.5-02.31) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=64809438&loc=SL4573702-111684 + Details
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