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Organization | 6 Months Ended
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Jun. 30, 2016
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Organization | 1. Organization Boston Properties, Inc., a Delaware corporation, is a fully integrated, self-administered and self-managed real estate investment trust (“REIT”). Boston Properties, Inc. is the sole general partner of Boston Properties Limited Partnership and at June 30, 2016 owned an approximate 89.5% (89.5% at December 31, 2015) general and limited partnership interest in Boston Properties Limited Partnership. Unless stated otherwise or the context requires, the “Company” refers to Boston Properties, Inc. and its subsidiaries, including Boston Properties Limited Partnership, its operating partnership, and its consolidated subsidiaries. Partnership interests in Boston Properties Limited Partnership include:
• | common units of partnership interest (also referred to as “OP Units”),
• | long term incentive units of partnership interest (also referred to as “LTIP Units”), and
• | preferred units of partnership interest (also referred to as “Preferred Units”).
Unless specifically noted otherwise, all references to OP Units exclude units held by Boston Properties, Inc. A holder of an OP Unit may present such 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 is obligated to redeem such OP Unit for cash equal to the value of a share of common stock of Boston Properties, Inc. (“Common Stock”) at such time. In lieu of a cash redemption, Boston Properties, Inc. may elect to acquire such OP Unit for one share of Common Stock. Because the number of shares of Common Stock outstanding at all times equals the number of OP Units that Boston Properties, Inc. owns, one share of Common Stock is generally the economic equivalent of one OP Unit, and the quarterly distribution that may be paid to the holder of an OP Unit equals the quarterly dividend that may be paid to the holder of a share of Common Stock. The Company uses LTIP Units as a form of equity-based award for annual long-term incentive equity compensation. The Company has also issued LTIP Units to employees in the form of (1) 2012 outperformance plan awards (“2012 OPP Units”) and (2) 2013, 2014, 2015 and 2016 multi-year, long-term incentive program awards (also referred to as “2013 MYLTIP Units,” “2014 MYLTIP Units,” “2015 MYLTIP Units” and “2016 MYLTIP Units,” respectively, and collectively as “MYLTIP Units”), each of which, upon the satisfaction of certain performance and vesting conditions, is convertible into one OP Unit. The three-year measurement periods for the 2012 OPP Units and 2013 MYLTIP Units expired on February 6, 2015 and February 4, 2016, respectively, and Boston Properties, Inc.’s total stockholder return (“TSR”) was sufficient for employees to earn and therefore become eligible to vest in a portion of the awards. Unless and until they are earned, the rights, preferences and privileges of the 2014, 2015 and 2016 MYLTIP Units differ from other LTIP Units granted to employees (including, as of February 6, 2015, the 2012 OPP Units and, as of February 4, 2016, the 2013 MYLTIP Units). Therefore, unless specifically noted otherwise, all references to LTIP Units exclude the 2014, 2015 and 2016 MYLTIP Units. LTIP Units (including the 2012 OPP Units and the 2013 MYLTIP Units), whether vested or not, will receive the same quarterly per unit distributions as OP Units, which equal per share dividends on Common Stock (See Notes 9, 10 and 12). At June 30, 2016, there was one series of Preferred Units outstanding (i.e., Series B Preferred Units). The Series B Preferred Units were issued to Boston Properties, Inc. on March 27, 2013 in connection with issuance of 80,000 shares (8,000,000 depositary shares each representing 1/100th of a share) of 5.25% Series B Cumulative Redeemable Preferred Stock (the “Series B Preferred Stock”). Boston Properties, Inc. contributed the net proceeds from the offering to Boston Properties Limited Partnership in exchange for 80,000 Series B Preferred Units having terms and preferences generally mirroring those of the Series B Preferred Stock (See Note 10). Properties At June 30, 2016, the Company owned or had interests in a portfolio of 168 commercial real estate properties (the “Properties”) aggregating approximately 46.5 million net rentable square feet of primarily Class A office properties, including eight properties under construction/redevelopment totaling approximately 3.8 million net rentable square feet. At June 30, 2016, the Properties consisted of:
• | 158 Office properties (including six properties under construction/redevelopment);
• | one hotel;
• | five retail properties; and
• | four residential properties (including two properties under construction).
The Company owns or controls land parcels totaling approximately 471.6 acres. The Company considers Class A office properties to be centrally located buildings that are professionally managed and maintained, attract high-quality tenants and command upper-tier rental rates, and that are modern structures or have been modernized to compete with newer buildings.

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